C++11 tidying.
[dcpomatic.git] / src / tools / dcpomatic_player.cc
1 /*
2     Copyright (C) 2017-2021 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 #include "wx/wx_signal_manager.h"
22 #include "wx/wx_util.h"
23 #include "wx/about_dialog.h"
24 #include "wx/report_problem_dialog.h"
25 #include "wx/film_viewer.h"
26 #include "wx/player_information.h"
27 #include "wx/update_dialog.h"
28 #include "wx/player_config_dialog.h"
29 #include "wx/verify_dcp_dialog.h"
30 #include "wx/standard_controls.h"
31 #include "wx/playlist_controls.h"
32 #include "wx/timer_display.h"
33 #include "wx/system_information_dialog.h"
34 #include "wx/player_stress_tester.h"
35 #include "wx/verify_dcp_progress_dialog.h"
36 #include "wx/nag_dialog.h"
37 #include "lib/cross.h"
38 #include "lib/config.h"
39 #include "lib/util.h"
40 #include "lib/internet.h"
41 #include "lib/update_checker.h"
42 #include "lib/compose.hpp"
43 #include "lib/dcp_content.h"
44 #include "lib/job_manager.h"
45 #include "lib/job.h"
46 #include "lib/film.h"
47 #include "lib/null_log.h"
48 #include "lib/video_content.h"
49 #include "lib/text_content.h"
50 #include "lib/ratio.h"
51 #include "lib/verify_dcp_job.h"
52 #include "lib/dcp_examiner.h"
53 #include "lib/examine_content_job.h"
54 #include "lib/server.h"
55 #include "lib/dcpomatic_socket.h"
56 #include "lib/scoped_temporary.h"
57 #include "lib/ffmpeg_content.h"
58 #include "lib/dcpomatic_log.h"
59 #include "lib/file_log.h"
60 #include <dcp/cpl.h>
61 #include <dcp/dcp.h>
62 #include <dcp/raw_convert.h>
63 #include <dcp/exceptions.h>
64 #include <wx/wx.h>
65 #include <wx/stdpaths.h>
66 #include <wx/splash.h>
67 #include <wx/cmdline.h>
68 #include <wx/preferences.h>
69 #include <wx/progdlg.h>
70 #include <wx/display.h>
71 #ifdef __WXGTK__
72 #include <X11/Xlib.h>
73 #endif
74 #include <boost/bind/bind.hpp>
75 #include <boost/algorithm/string.hpp>
76 #include <iostream>
77
78 #ifdef check
79 #undef check
80 #endif
81
82 #define MAX_CPLS 32
83
84 using std::cout;
85 using std::dynamic_pointer_cast;
86 using std::exception;
87 using std::list;
88 using std::make_shared;
89 using std::shared_ptr;
90 using std::string;
91 using std::vector;
92 using std::weak_ptr;
93 using boost::scoped_array;
94 using boost::optional;
95 using boost::thread;
96 using boost::bind;
97 #if BOOST_VERSION >= 106100
98 using namespace boost::placeholders;
99 #endif
100 using dcp::raw_convert;
101 using namespace dcpomatic;
102
103 enum {
104         ID_file_open = 1,
105         ID_file_add_ov,
106         ID_file_add_kdm,
107         ID_file_history,
108         /* Allow spare IDs after _history for the recent files list */
109         ID_file_close = 100,
110         ID_view_cpl,
111         /* Allow spare IDs for CPLs */
112         ID_view_full_screen = 200,
113         ID_view_dual_screen,
114         ID_view_closed_captions,
115         ID_view_scale_appropriate,
116         ID_view_scale_full,
117         ID_view_scale_half,
118         ID_view_scale_quarter,
119         ID_help_report_a_problem,
120         ID_tools_verify,
121         ID_tools_check_for_updates,
122         ID_tools_timing,
123         ID_tools_system_information,
124         /* IDs for shortcuts (with no associated menu item) */
125         ID_start_stop,
126         ID_go_back_frame,
127         ID_go_forward_frame,
128         ID_go_back_small_amount,
129         ID_go_forward_small_amount,
130         ID_go_back_medium_amount,
131         ID_go_forward_medium_amount,
132         ID_go_back_large_amount,
133         ID_go_forward_large_amount,
134         ID_go_to_start,
135         ID_go_to_end
136 };
137
138 class DOMFrame : public wxFrame
139 {
140 public:
141         DOMFrame ()
142                 : wxFrame (nullptr, -1, _("DCP-o-matic Player"))
143                 , _mode (Config::instance()->player_mode())
144                 , _main_sizer (new wxBoxSizer(wxVERTICAL))
145         {
146                 dcpomatic_log = make_shared<NullLog>();
147
148 #if defined(DCPOMATIC_WINDOWS)
149                 maybe_open_console ();
150                 cout << "DCP-o-matic Player is starting." << "\n";
151 #endif
152
153                 auto bar = new wxMenuBar;
154                 setup_menu (bar);
155                 set_menu_sensitivity ();
156                 SetMenuBar (bar);
157
158 #ifdef DCPOMATIC_WINDOWS
159                 SetIcon (wxIcon (std_to_wx ("id")));
160 #endif
161
162                 _config_changed_connection = Config::instance()->Changed.connect (boost::bind (&DOMFrame::config_changed, this, _1));
163                 update_from_config (Config::PLAYER_DEBUG_LOG);
164
165                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_open, this), ID_file_open);
166                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_add_ov, this), ID_file_add_ov);
167                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_add_kdm, this), ID_file_add_kdm);
168                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_history, this, _1), ID_file_history, ID_file_history + HISTORY_SIZE);
169                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_close, this), ID_file_close);
170                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_exit, this), wxID_EXIT);
171                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::edit_preferences, this), wxID_PREFERENCES);
172                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_full_screen, this), ID_view_full_screen);
173                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_dual_screen, this), ID_view_dual_screen);
174                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_closed_captions, this), ID_view_closed_captions);
175                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::view_cpl, this, _1), ID_view_cpl, ID_view_cpl + MAX_CPLS);
176                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::set_decode_reduction, this, optional<int>(0)), ID_view_scale_full);
177                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::set_decode_reduction, this, optional<int>(1)), ID_view_scale_half);
178                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::set_decode_reduction, this, optional<int>(2)), ID_view_scale_quarter);
179                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::help_about, this), wxID_ABOUT);
180                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::help_report_a_problem, this), ID_help_report_a_problem);
181                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_verify, this), ID_tools_verify);
182                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_check_for_updates, this), ID_tools_check_for_updates);
183                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_timing, this), ID_tools_timing);
184                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_system_information, this), ID_tools_system_information);
185
186                 /* Use a panel as the only child of the Frame so that we avoid
187                    the dark-grey background on Windows.
188                 */
189                 _overall_panel = new wxPanel (this, wxID_ANY);
190
191                 _viewer = make_shared<FilmViewer>(_overall_panel);
192                 if (Config::instance()->player_mode() == Config::PLAYER_MODE_DUAL) {
193                         auto pc = new PlaylistControls (_overall_panel, _viewer);
194                         _controls = pc;
195                         pc->ResetFilm.connect (bind(&DOMFrame::reset_film_weak, this, _1));
196                 } else {
197                         _controls = new StandardControls (_overall_panel, _viewer, false);
198                 }
199                 _viewer->set_dcp_decode_reduction (Config::instance()->decode_reduction ());
200                 _viewer->PlaybackPermitted.connect (bind(&DOMFrame::playback_permitted, this));
201                 _viewer->Started.connect (bind(&DOMFrame::playback_started, this, _1));
202                 _viewer->Stopped.connect (bind(&DOMFrame::playback_stopped, this, _1));
203                 _viewer->TooManyDropped.connect (bind(&DOMFrame::too_many_frames_dropped, this));
204                 _info = new PlayerInformation (_overall_panel, _viewer);
205                 setup_main_sizer (Config::instance()->player_mode());
206 #ifdef __WXOSX__
207                 int accelerators = 12;
208 #else
209                 int accelerators = 11;
210 #endif
211
212                 _stress.setup (this, _controls);
213
214                 wxAcceleratorEntry* accel = new wxAcceleratorEntry[accelerators];
215                 accel[0].Set(wxACCEL_NORMAL,                WXK_SPACE, ID_start_stop);
216                 accel[1].Set(wxACCEL_NORMAL,                WXK_LEFT,  ID_go_back_frame);
217                 accel[2].Set(wxACCEL_NORMAL,                WXK_RIGHT, ID_go_forward_frame);
218                 accel[3].Set(wxACCEL_SHIFT,                 WXK_LEFT,  ID_go_back_small_amount);
219                 accel[4].Set(wxACCEL_SHIFT,                 WXK_RIGHT, ID_go_forward_small_amount);
220                 accel[5].Set(wxACCEL_CTRL,                  WXK_LEFT,  ID_go_back_medium_amount);
221                 accel[6].Set(wxACCEL_CTRL,                  WXK_RIGHT, ID_go_forward_medium_amount);
222                 accel[7].Set(wxACCEL_SHIFT | wxACCEL_CTRL,  WXK_LEFT,  ID_go_back_large_amount);
223                 accel[8].Set(wxACCEL_SHIFT | wxACCEL_CTRL,  WXK_RIGHT, ID_go_forward_large_amount);
224                 accel[9].Set(wxACCEL_NORMAL,                WXK_HOME,  ID_go_to_start);
225                 accel[10].Set(wxACCEL_NORMAL,               WXK_END,   ID_go_to_end);
226 #ifdef __WXOSX__
227                 accel[11].Set(wxACCEL_CTRL, static_cast<int>('W'), ID_file_close);
228 #endif
229                 wxAcceleratorTable accel_table (accelerators, accel);
230                 SetAcceleratorTable (accel_table);
231                 delete[] accel;
232
233                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::start_stop_pressed, this), ID_start_stop);
234                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_back_frame, this),      ID_go_back_frame);
235                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_forward_frame, this),   ID_go_forward_frame);
236                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,   -60), ID_go_back_small_amount);
237                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,    60), ID_go_forward_small_amount);
238                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,  -600), ID_go_back_medium_amount);
239                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,   600), ID_go_forward_medium_amount);
240                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this, -3600), ID_go_back_large_amount);
241                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_seconds,  this,  3600), ID_go_forward_large_amount);
242                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_to_start, this), ID_go_to_start);
243                 Bind (wxEVT_MENU, boost::bind(&DOMFrame::go_to_end,   this), ID_go_to_end);
244
245                 reset_film ();
246
247                 UpdateChecker::instance()->StateChanged.connect (boost::bind(&DOMFrame::update_checker_state_changed, this));
248                 setup_screen ();
249
250                 _stress.LoadDCP.connect (boost::bind(&DOMFrame::load_dcp, this, _1));
251         }
252
253         ~DOMFrame ()
254         {
255                 /* It's important that this is stopped before our frame starts destroying its children,
256                  * otherwise UI elements that it depends on will disappear from under it.
257                  */
258                 _viewer.reset ();
259         }
260
261         void setup_main_sizer (Config::PlayerMode mode)
262         {
263                 _main_sizer->Detach (_viewer->panel());
264                 _main_sizer->Detach (_controls);
265                 _main_sizer->Detach (_info);
266                 if (mode != Config::PLAYER_MODE_DUAL) {
267                         _main_sizer->Add (_viewer->panel(), 1, wxEXPAND);
268                 }
269                 _main_sizer->Add (_controls, mode == Config::PLAYER_MODE_DUAL ? 1 : 0, wxEXPAND | wxALL, 6);
270                 _main_sizer->Add (_info, 0, wxEXPAND | wxALL, 6);
271                 _overall_panel->SetSizer (_main_sizer);
272                 _overall_panel->Layout ();
273         }
274
275         bool playback_permitted ()
276         {
277                 if (!_film || !Config::instance()->respect_kdm_validity_periods()) {
278                         return true;
279                 }
280
281                 bool ok = true;
282                 for (auto i: _film->content()) {
283                         auto d = dynamic_pointer_cast<DCPContent>(i);
284                         if (d && !d->kdm_timing_window_valid()) {
285                                 ok = false;
286                         }
287                 }
288
289                 if (!ok) {
290                         error_dialog (this, _("The KDM does not allow playback of this content at this time."));
291                 }
292
293                 return ok;
294         }
295
296         void playback_started (DCPTime time)
297         {
298                 /* XXX: this only logs the first piece of content; probably should be each piece? */
299                 if (_film->content().empty()) {
300                         return;
301                 }
302
303                 auto dcp = dynamic_pointer_cast<DCPContent>(_film->content().front());
304                 if (dcp) {
305                         DCPExaminer ex (dcp, true);
306                         shared_ptr<dcp::CPL> playing_cpl;
307                         for (auto i: ex.cpls()) {
308                                 if (!dcp->cpl() || i->id() == *dcp->cpl()) {
309                                         playing_cpl = i;
310                                 }
311                         }
312                         DCPOMATIC_ASSERT (playing_cpl);
313
314                         _controls->log (
315                                 wxString::Format(
316                                         "playback-started %s %s %s",
317                                         time.timecode(_film->video_frame_rate()).c_str(),
318                                         dcp->directories().front().string().c_str(),
319                                         playing_cpl->annotation_text().get_value_or("").c_str()
320                                         )
321                                 );
322                 }
323
324                 auto ffmpeg = dynamic_pointer_cast<FFmpegContent>(_film->content().front());
325                 if (ffmpeg) {
326                         _controls->log (
327                                 wxString::Format(
328                                         "playback-started %s %s",
329                                         time.timecode(_film->video_frame_rate()).c_str(),
330                                         ffmpeg->path(0).string().c_str()
331                                         )
332                                 );
333                 }
334         }
335
336         void playback_stopped (DCPTime time)
337         {
338                 _controls->log (wxString::Format("playback-stopped %s", time.timecode(_film->video_frame_rate()).c_str()));
339         }
340
341
342         void too_many_frames_dropped ()
343         {
344                 if (!Config::instance()->nagged(Config::NAG_TOO_MANY_DROPPED_FRAMES)) {
345                         _viewer->stop ();
346                 }
347
348                 NagDialog::maybe_nag (
349                         this,
350                         Config::NAG_TOO_MANY_DROPPED_FRAMES,
351                         _(wxS("The player is dropping a lot of frames, so playback may not be accurate.\n\n"
352                           "<b>This does not necessarily mean that the DCP you are playing is defective!</b>\n\n"
353                           "You may be able to improve player performance by:\n"
354                           "• choosing 'decode at half resolution' or 'decode at quarter resolution' from the View menu\n"
355                           "• using a more powerful computer.\n"
356                          ))
357                         );
358         }
359
360         void set_decode_reduction (optional<int> reduction)
361         {
362                 _viewer->set_dcp_decode_reduction (reduction);
363                 _info->triggered_update ();
364                 Config::instance()->set_decode_reduction (reduction);
365         }
366
367         void load_dcp (boost::filesystem::path dir)
368         {
369                 DCPOMATIC_ASSERT (_film);
370
371                 reset_film ();
372                 try {
373                         _stress.set_suspended (true);
374                         // here
375                         auto dcp = make_shared<DCPContent>(dir);
376                         auto job = make_shared<ExamineContentJob>(_film, dcp);
377                         _examine_job_connection = job->Finished.connect(bind(&DOMFrame::add_dcp_to_film, this, weak_ptr<Job>(job), weak_ptr<Content>(dcp)));
378                         JobManager::instance()->add (job);
379                         bool const ok = display_progress (_("DCP-o-matic Player"), _("Loading content"));
380                         if (!ok || !report_errors_from_last_job(this)) {
381                                 return;
382                         }
383                         Config::instance()->add_to_player_history (dir);
384                 } catch (ProjectFolderError &) {
385                         error_dialog (
386                                 this,
387                                 wxString::Format(_("Could not load a DCP from %s"), std_to_wx(dir.string())),
388                                 _(
389                                         "This looks like a DCP-o-matic project folder, which cannot be loaded into the player.  "
390                                         "Choose the DCP directory inside the DCP-o-matic project folder if that's what you want to play."
391                                  )
392                                 );
393                 } catch (dcp::ReadError& e) {
394                         error_dialog (this, wxString::Format(_("Could not load a DCP from %s"), std_to_wx(dir.string())), std_to_wx(e.what()));
395                 } catch (DCPError& e) {
396                         error_dialog (this, wxString::Format(_("Could not load a DCP from %s"), std_to_wx(dir.string())), std_to_wx(e.what()));
397                 }
398         }
399
400         void add_dcp_to_film (weak_ptr<Job> weak_job, weak_ptr<Content> weak_content)
401         {
402                 auto job = weak_job.lock ();
403                 if (!job || !job->finished_ok()) {
404                         return;
405                 }
406
407                 auto content = weak_content.lock ();
408                 if (!content) {
409                         return;
410                 }
411
412                 _film->add_content (content);
413                 _stress.set_suspended (false);
414         }
415
416         void reset_film_weak (weak_ptr<Film> weak_film)
417         {
418                 auto film = weak_film.lock ();
419                 if (film) {
420                         reset_film (film);
421                 }
422         }
423
424         void reset_film (shared_ptr<Film> film = shared_ptr<Film>(new Film(optional<boost::filesystem::path>())))
425         {
426                 _film = film;
427                 _film->set_tolerant (true);
428                 _film->set_audio_channels (MAX_DCP_AUDIO_CHANNELS);
429                 _viewer->set_film (_film);
430                 _controls->set_film (_film);
431                 _film->Change.connect (bind(&DOMFrame::film_changed, this, _1, _2));
432                 _info->triggered_update ();
433         }
434
435         void film_changed (ChangeType type, Film::Property property)
436         {
437                 if (type != ChangeType::DONE || property != Film::Property::CONTENT) {
438                         return;
439                 }
440
441                 if (_viewer->playing ()) {
442                         _viewer->stop ();
443                 }
444
445                 /* Start off as Flat */
446                 _film->set_container (Ratio::from_id("185"));
447
448                 for (auto i: _film->content()) {
449                         auto dcp = dynamic_pointer_cast<DCPContent>(i);
450
451                         for (auto j: i->text) {
452                                 j->set_use (true);
453                         }
454
455                         if (i->video) {
456                                 auto const r = Ratio::nearest_from_ratio(i->video->size().ratio());
457                                 if (r->id() == "239") {
458                                         /* Any scope content means we use scope */
459                                         _film->set_container(r);
460                                 }
461                         }
462
463                         /* Any 3D content means we use 3D mode */
464                         if (i->video && i->video->frame_type() != VideoFrameType::TWO_D) {
465                                 _film->set_three_d (true);
466                         }
467                 }
468
469                 _viewer->seek (DCPTime(), true);
470                 _info->triggered_update ();
471
472                 set_menu_sensitivity ();
473
474                 auto old = _cpl_menu->GetMenuItems();
475                 for (auto const& i: old) {
476                         _cpl_menu->Remove (i);
477                 }
478
479                 if (_film->content().size() == 1) {
480                         /* Offer a CPL menu */
481                         auto first = dynamic_pointer_cast<DCPContent>(_film->content().front());
482                         if (first) {
483                                 DCPExaminer ex (first, true);
484                                 int id = ID_view_cpl;
485                                 for (auto i: ex.cpls()) {
486                                         auto j = _cpl_menu->AppendRadioItem(
487                                                 id,
488                                                 wxString::Format("%s (%s)", std_to_wx(i->annotation_text().get_value_or("")).data(), std_to_wx(i->id()).data())
489                                                 );
490                                         j->Check(!first->cpl() || i->id() == *first->cpl());
491                                         ++id;
492                                 }
493                         }
494                 }
495         }
496
497         void load_stress_script (boost::filesystem::path path)
498         {
499                 _stress.load_script (path);
500         }
501
502 private:
503
504         void examine_content ()
505         {
506                 DCPOMATIC_ASSERT (_film);
507                 auto dcp = dynamic_pointer_cast<DCPContent>(_film->content().front());
508                 DCPOMATIC_ASSERT (dcp);
509                 dcp->examine (_film, shared_ptr<Job>());
510
511                 /* Examining content re-creates the TextContent objects, so we must re-enable them */
512                 for (auto i: dcp->text) {
513                         i->set_use (true);
514                 }
515         }
516
517         bool report_errors_from_last_job (wxWindow* parent) const
518         {
519                 auto jm = JobManager::instance ();
520
521                 DCPOMATIC_ASSERT (!jm->get().empty());
522
523                 auto last = jm->get().back();
524                 if (last->finished_in_error()) {
525                         error_dialog(parent, wxString::Format(_("Could not load DCP.\n\n%s."), std_to_wx(last->error_summary()).data()), std_to_wx(last->error_details()));
526                         return false;
527                 }
528
529                 return true;
530         }
531
532         void setup_menu (wxMenuBar* m)
533         {
534                 _file_menu = new wxMenu;
535                 _file_menu->Append (ID_file_open, _("&Open...\tCtrl-O"));
536                 _file_add_ov = _file_menu->Append (ID_file_add_ov, _("&Add OV..."));
537                 _file_add_kdm = _file_menu->Append (ID_file_add_kdm, _("Add &KDM..."));
538
539                 _history_position = _file_menu->GetMenuItems().GetCount();
540
541                 _file_menu->AppendSeparator ();
542                 _file_menu->Append (ID_file_close, _("&Close"));
543                 _file_menu->AppendSeparator ();
544
545 #ifdef __WXOSX__
546                 _file_menu->Append (wxID_EXIT, _("&Exit"));
547 #else
548                 _file_menu->Append (wxID_EXIT, _("&Quit"));
549 #endif
550
551 #ifdef __WXOSX__
552                 auto prefs = _file_menu->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
553 #else
554                 auto edit = new wxMenu;
555                 auto prefs = edit->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
556 #endif
557
558                 prefs->Enable (Config::instance()->have_write_permission());
559
560                 _cpl_menu = new wxMenu;
561
562                 auto view = new wxMenu;
563                 auto c = Config::instance()->decode_reduction();
564                 _view_cpl = view->Append(ID_view_cpl, _("CPL"), _cpl_menu);
565                 view->AppendSeparator();
566                 _view_full_screen = view->AppendCheckItem(ID_view_full_screen, _("Full screen\tF11"));
567                 _view_dual_screen = view->AppendCheckItem(ID_view_dual_screen, _("Dual screen\tShift+F11"));
568                 setup_menu ();
569                 view->AppendSeparator();
570                 view->Append(ID_view_closed_captions, _("Closed captions..."));
571                 view->AppendSeparator();
572                 view->AppendRadioItem(ID_view_scale_appropriate, _("Set decode resolution to match display"))->Check(!static_cast<bool>(c));
573                 view->AppendRadioItem(ID_view_scale_full, _("Decode at full resolution"))->Check(c && c.get() == 0);
574                 view->AppendRadioItem(ID_view_scale_half, _("Decode at half resolution"))->Check(c && c.get() == 1);
575                 view->AppendRadioItem(ID_view_scale_quarter, _("Decode at quarter resolution"))->Check(c && c.get() == 2);
576
577                 auto tools = new wxMenu;
578                 _tools_verify = tools->Append (ID_tools_verify, _("Verify DCP..."));
579                 tools->AppendSeparator ();
580                 tools->Append (ID_tools_check_for_updates, _("Check for updates"));
581                 tools->Append (ID_tools_timing, _("Timing..."));
582                 tools->Append (ID_tools_system_information, _("System information..."));
583
584                 auto help = new wxMenu;
585 #ifdef __WXOSX__
586                 help->Append (wxID_ABOUT, _("About DCP-o-matic"));
587 #else
588                 help->Append (wxID_ABOUT, _("About"));
589 #endif
590                 help->Append (ID_help_report_a_problem, _("Report a problem..."));
591
592                 m->Append (_file_menu, _("&File"));
593 #ifndef __WXOSX__
594                 m->Append (edit, _("&Edit"));
595 #endif
596                 m->Append (view, _("&View"));
597                 m->Append (tools, _("&Tools"));
598                 m->Append (help, _("&Help"));
599         }
600
601         void file_open ()
602         {
603                 auto d = wxStandardPaths::Get().GetDocumentsDir();
604                 if (Config::instance()->last_player_load_directory()) {
605                         d = std_to_wx (Config::instance()->last_player_load_directory()->string());
606                 }
607
608                 auto c = new wxDirDialog (this, _("Select DCP to open"), d, wxDEFAULT_DIALOG_STYLE | wxDD_DIR_MUST_EXIST);
609
610                 int r;
611                 while (true) {
612                         r = c->ShowModal ();
613                         if (r == wxID_OK && c->GetPath() == wxStandardPaths::Get().GetDocumentsDir()) {
614                                 error_dialog (this, _("You did not select a folder.  Make sure that you select a folder before clicking Open."));
615                         } else {
616                                 break;
617                         }
618                 }
619
620                 if (r == wxID_OK) {
621                         boost::filesystem::path const dcp (wx_to_std (c->GetPath ()));
622                         load_dcp (dcp);
623                         Config::instance()->set_last_player_load_directory (dcp.parent_path());
624                 }
625
626                 c->Destroy ();
627         }
628
629         void file_add_ov ()
630         {
631                 auto c = new wxDirDialog (
632                         this,
633                         _("Select DCP to open as OV"),
634                         wxStandardPaths::Get().GetDocumentsDir(),
635                         wxDEFAULT_DIALOG_STYLE | wxDD_DIR_MUST_EXIST
636                         );
637
638                 int r;
639                 while (true) {
640                         r = c->ShowModal ();
641                         if (r == wxID_OK && c->GetPath() == wxStandardPaths::Get().GetDocumentsDir()) {
642                                 error_dialog (this, _("You did not select a folder.  Make sure that you select a folder before clicking Open."));
643                         } else {
644                                 break;
645                         }
646                 }
647
648                 if (r == wxID_OK) {
649                         DCPOMATIC_ASSERT (_film);
650                         auto dcp = std::dynamic_pointer_cast<DCPContent>(_film->content().front());
651                         DCPOMATIC_ASSERT (dcp);
652                         dcp->add_ov (wx_to_std(c->GetPath()));
653                         JobManager::instance()->add(make_shared<ExamineContentJob>(_film, dcp));
654                         bool const ok = display_progress (_("DCP-o-matic Player"), _("Loading content"));
655                         if (!ok || !report_errors_from_last_job(this)) {
656                                 return;
657                         }
658                         for (auto i: dcp->text) {
659                                 i->set_use (true);
660                         }
661                         if (dcp->video) {
662                                 auto const r = Ratio::nearest_from_ratio(dcp->video->size().ratio());
663                                 if (r) {
664                                         _film->set_container(r);
665                                 }
666                         }
667                 }
668
669                 c->Destroy ();
670                 _info->triggered_update ();
671         }
672
673         void file_add_kdm ()
674         {
675                 auto d = new wxFileDialog (this, _("Select KDM"));
676
677                 if (d->ShowModal() == wxID_OK) {
678                         DCPOMATIC_ASSERT (_film);
679                         auto dcp = std::dynamic_pointer_cast<DCPContent>(_film->content().front());
680                         DCPOMATIC_ASSERT (dcp);
681                         try {
682                                 if (dcp) {
683                                         _viewer->set_coalesce_player_changes (true);
684                                         dcp->add_kdm (dcp::EncryptedKDM(dcp::file_to_string(wx_to_std(d->GetPath()), MAX_KDM_SIZE)));
685                                         examine_content();
686                                         _viewer->set_coalesce_player_changes (false);
687                                 }
688                         } catch (exception& e) {
689                                 error_dialog (this, wxString::Format (_("Could not load KDM.")), std_to_wx(e.what()));
690                                 d->Destroy ();
691                                 return;
692                         }
693                 }
694
695                 d->Destroy ();
696                 _info->triggered_update ();
697         }
698
699         void file_history (wxCommandEvent& event)
700         {
701                 auto history = Config::instance()->player_history ();
702                 int n = event.GetId() - ID_file_history;
703                 if (n >= 0 && n < static_cast<int> (history.size ())) {
704                         try {
705                                 load_dcp (history[n]);
706                         } catch (exception& e) {
707                                 error_dialog (0, std_to_wx(String::compose(wx_to_std(_("Could not load DCP %1.")), history[n])), std_to_wx(e.what()));
708                         }
709                 }
710         }
711
712         void file_close ()
713         {
714                 reset_film ();
715                 _info->triggered_update ();
716                 set_menu_sensitivity ();
717         }
718
719         void file_exit ()
720         {
721                 Close ();
722         }
723
724         void edit_preferences ()
725         {
726                 if (!Config::instance()->have_write_permission()) {
727                         return;
728                 }
729
730                 if (!_config_dialog) {
731                         _config_dialog = create_player_config_dialog ();
732                 }
733                 _config_dialog->Show (this);
734         }
735
736         void view_cpl (wxCommandEvent& ev)
737         {
738                 auto dcp = std::dynamic_pointer_cast<DCPContent>(_film->content().front());
739                 DCPOMATIC_ASSERT (dcp);
740                 DCPExaminer ex (dcp, true);
741                 int id = ev.GetId() - ID_view_cpl;
742                 DCPOMATIC_ASSERT (id >= 0);
743                 DCPOMATIC_ASSERT (id < int(ex.cpls().size()));
744                 auto cpls = ex.cpls();
745                 auto i = cpls.begin();
746                 while (id > 0) {
747                         ++i;
748                         --id;
749                 }
750
751                 _viewer->set_coalesce_player_changes (true);
752                 dcp->set_cpl ((*i)->id());
753                 examine_content ();
754                 _viewer->set_coalesce_player_changes (false);
755
756                 _info->triggered_update ();
757         }
758
759         void view_full_screen ()
760         {
761                 if (_mode == Config::PLAYER_MODE_FULL) {
762                         _mode = Config::PLAYER_MODE_WINDOW;
763                 } else {
764                         _mode = Config::PLAYER_MODE_FULL;
765                 }
766                 setup_screen ();
767                 setup_menu ();
768         }
769
770         void view_dual_screen ()
771         {
772                 if (_mode == Config::PLAYER_MODE_DUAL) {
773                         _mode = Config::PLAYER_MODE_WINDOW;
774                 } else {
775                         _mode = Config::PLAYER_MODE_DUAL;
776                 }
777                 setup_screen ();
778                 setup_menu ();
779         }
780
781         void setup_menu ()
782         {
783                 if (_view_full_screen) {
784                         _view_full_screen->Check (_mode == Config::PLAYER_MODE_FULL);
785                 }
786                 if (_view_dual_screen) {
787                         _view_dual_screen->Check (_mode == Config::PLAYER_MODE_DUAL);
788                 }
789         }
790
791         void setup_screen ()
792         {
793                 _controls->Show (_mode != Config::PLAYER_MODE_FULL);
794                 _info->Show (_mode != Config::PLAYER_MODE_FULL);
795                 _overall_panel->SetBackgroundColour (_mode == Config::PLAYER_MODE_FULL ? wxColour(0, 0, 0) : wxNullColour);
796                 ShowFullScreen (_mode == Config::PLAYER_MODE_FULL);
797                 _viewer->set_pad_black (_mode != Config::PLAYER_MODE_WINDOW);
798
799                 if (_mode == Config::PLAYER_MODE_DUAL) {
800                         _dual_screen = new wxFrame (this, wxID_ANY, wxT(""));
801                         _dual_screen->SetBackgroundColour (wxColour(0, 0, 0));
802                         _dual_screen->ShowFullScreen (true);
803                         _viewer->panel()->Reparent (_dual_screen);
804                         _dual_screen->Show ();
805                         if (wxDisplay::GetCount() > 1) {
806                                 switch (Config::instance()->image_display()) {
807                                 case 0:
808                                         _dual_screen->Move (0, 0);
809                                         Move (wxDisplay(0U).GetClientArea().GetWidth(), 0);
810                                         break;
811                                 case 1:
812                                         _dual_screen->Move (wxDisplay(0U).GetClientArea().GetWidth(), 0);
813                                         // (0, 0) doesn't seem to work for some strange reason
814                                         Move (8, 8);
815                                         break;
816                                 }
817                         }
818                 } else {
819                         if (_dual_screen) {
820                                 _viewer->panel()->Reparent (_overall_panel);
821                                 _dual_screen->Destroy ();
822                                 _dual_screen = 0;
823                         }
824                 }
825
826                 setup_main_sizer (_mode);
827         }
828
829         void view_closed_captions ()
830         {
831                 _viewer->show_closed_captions ();
832         }
833
834         void tools_verify ()
835         {
836                 auto dcp = std::dynamic_pointer_cast<DCPContent>(_film->content().front());
837                 DCPOMATIC_ASSERT (dcp);
838
839                 auto job = make_shared<VerifyDCPJob>(dcp->directories());
840                 auto progress = new VerifyDCPProgressDialog(this, _("DCP-o-matic Player"));
841                 bool const completed = progress->run (job);
842                 progress->Destroy ();
843                 if (!completed) {
844                         return;
845                 }
846
847                 auto d = new VerifyDCPDialog (this, job);
848                 d->ShowModal ();
849                 d->Destroy ();
850         }
851
852         void tools_check_for_updates ()
853         {
854                 UpdateChecker::instance()->run ();
855                 _update_news_requested = true;
856         }
857
858         void tools_timing ()
859         {
860                 auto d = new TimerDisplay (this, _viewer->state_timer(), _viewer->gets());
861                 d->ShowModal ();
862                 d->Destroy ();
863         }
864
865         void tools_system_information ()
866         {
867                 if (!_system_information_dialog) {
868                         _system_information_dialog = new SystemInformationDialog (this, _viewer);
869                 }
870
871                 _system_information_dialog->Show ();
872         }
873
874         void help_about ()
875         {
876                 auto d = new AboutDialog (this);
877                 d->ShowModal ();
878                 d->Destroy ();
879         }
880
881         void help_report_a_problem ()
882         {
883                 auto d = new ReportProblemDialog (this);
884                 if (d->ShowModal () == wxID_OK) {
885                         d->report ();
886                 }
887                 d->Destroy ();
888         }
889
890         void update_checker_state_changed ()
891         {
892                 auto uc = UpdateChecker::instance ();
893
894                 bool const announce =
895                         _update_news_requested ||
896                         (uc->stable() && Config::instance()->check_for_updates()) ||
897                         (uc->test() && Config::instance()->check_for_updates() && Config::instance()->check_for_test_updates());
898
899                 _update_news_requested = false;
900
901                 if (!announce) {
902                         return;
903                 }
904
905                 if (uc->state() == UpdateChecker::State::YES) {
906                         auto dialog = new UpdateDialog (this, uc->stable (), uc->test ());
907                         dialog->ShowModal ();
908                         dialog->Destroy ();
909                 } else if (uc->state() == UpdateChecker::State::FAILED) {
910                         error_dialog (this, _("The DCP-o-matic download server could not be contacted."));
911                 } else {
912                         error_dialog (this, _("There are no new versions of DCP-o-matic available."));
913                 }
914
915                 _update_news_requested = false;
916         }
917
918         void config_changed (Config::Property prop)
919         {
920                 /* Instantly save any config changes when using the player GUI */
921                 try {
922                         Config::instance()->write_config();
923                 } catch (FileError& e) {
924                         if (prop != Config::HISTORY) {
925                                 error_dialog (
926                                         this,
927                                         wxString::Format(
928                                                 _("Could not write to config file at %s.  Your changes have not been saved."),
929                                                 std_to_wx(e.file().string())
930                                                 )
931                                         );
932                         }
933                 } catch (exception& e) {
934                         error_dialog (
935                                 this,
936                                 _("Could not write to config file.  Your changes have not been saved.")
937                                 );
938                 }
939
940                 update_from_config (prop);
941         }
942
943         void update_from_config (Config::Property prop)
944         {
945                 for (int i = 0; i < _history_items; ++i) {
946                         delete _file_menu->Remove (ID_file_history + i);
947                 }
948
949                 if (_history_separator) {
950                         _file_menu->Remove (_history_separator);
951                 }
952                 delete _history_separator;
953                 _history_separator = nullptr;
954
955                 int pos = _history_position;
956
957                 /* Clear out non-existant history items before we re-build the menu */
958                 Config::instance()->clean_player_history ();
959                 auto history = Config::instance()->player_history ();
960
961                 if (!history.empty ()) {
962                         _history_separator = _file_menu->InsertSeparator (pos++);
963                 }
964
965                 for (size_t i = 0; i < history.size(); ++i) {
966                         string s;
967                         if (i < 9) {
968                                 s = String::compose ("&%1 %2", i + 1, history[i].string());
969                         } else {
970                                 s = history[i].string();
971                         }
972                         _file_menu->Insert (pos++, ID_file_history + i, std_to_wx (s));
973                 }
974
975                 _history_items = history.size ();
976
977                 if (prop == Config::PLAYER_DEBUG_LOG) {
978                         auto p = Config::instance()->player_debug_log_file();
979                         if (p) {
980                                 dcpomatic_log = make_shared<FileLog>(*p);
981                         } else {
982                                 dcpomatic_log = make_shared<NullLog>();
983                         }
984                         dcpomatic_log->set_types (LogEntry::TYPE_GENERAL | LogEntry::TYPE_WARNING | LogEntry::TYPE_ERROR | LogEntry::TYPE_DEBUG_VIDEO_VIEW);
985                 }
986         }
987
988         void set_menu_sensitivity ()
989         {
990                 _tools_verify->Enable (static_cast<bool>(_film));
991                 _file_add_ov->Enable (static_cast<bool>(_film));
992                 _file_add_kdm->Enable (static_cast<bool>(_film));
993                 _view_cpl->Enable (static_cast<bool>(_film));
994         }
995
996         void start_stop_pressed ()
997         {
998                 if (_viewer->playing()) {
999                         _viewer->stop();
1000                 } else {
1001                         _viewer->start();
1002                 }
1003         }
1004
1005         void go_back_frame ()
1006         {
1007                 _viewer->seek_by (-_viewer->one_video_frame(), true);
1008         }
1009
1010         void go_forward_frame ()
1011         {
1012                 _viewer->seek_by (_viewer->one_video_frame(), true);
1013         }
1014
1015         void go_seconds (int s)
1016         {
1017                 _viewer->seek_by (DCPTime::from_seconds(s), true);
1018         }
1019
1020         void go_to_start ()
1021         {
1022                 _viewer->seek (DCPTime(), true);
1023         }
1024
1025         void go_to_end ()
1026         {
1027                 _viewer->seek (_film->length() - _viewer->one_video_frame(), true);
1028         }
1029
1030         wxFrame* _dual_screen = nullptr;
1031         bool _update_news_requested = false;
1032         PlayerInformation* _info = nullptr;
1033         Config::PlayerMode _mode;
1034         wxPreferencesEditor* _config_dialog = nullptr;
1035         wxPanel* _overall_panel = nullptr;
1036         wxMenu* _file_menu = nullptr;
1037         wxMenuItem* _view_cpl = nullptr;
1038         wxMenu* _cpl_menu = nullptr;
1039         int _history_items = 0;
1040         int _history_position = 0;
1041         wxMenuItem* _history_separator = nullptr;
1042         shared_ptr<FilmViewer> _viewer;
1043         Controls* _controls;
1044         SystemInformationDialog* _system_information_dialog = nullptr;
1045         std::shared_ptr<Film> _film;
1046         boost::signals2::scoped_connection _config_changed_connection;
1047         boost::signals2::scoped_connection _examine_job_connection;
1048         wxMenuItem* _file_add_ov = nullptr;
1049         wxMenuItem* _file_add_kdm = nullptr;
1050         wxMenuItem* _tools_verify = nullptr;
1051         wxMenuItem* _view_full_screen = nullptr;
1052         wxMenuItem* _view_dual_screen = nullptr;
1053         wxSizer* _main_sizer = nullptr;
1054         PlayerStressTester _stress;
1055 };
1056
1057 static const wxCmdLineEntryDesc command_line_description[] = {
1058         { wxCMD_LINE_PARAM, 0, 0, "DCP to load or create", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
1059         { wxCMD_LINE_OPTION, "c", "config", "Directory containing config.xml", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
1060         { wxCMD_LINE_OPTION, "s", "stress", "File containing description of stress test", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
1061         { wxCMD_LINE_NONE, "", "", "", wxCmdLineParamType (0), 0 }
1062 };
1063
1064 class PlayServer : public Server
1065 {
1066 public:
1067         explicit PlayServer (DOMFrame* frame)
1068                 : Server (PLAYER_PLAY_PORT)
1069                 , _frame (frame)
1070         {}
1071
1072         void handle (shared_ptr<Socket> socket)
1073         {
1074                 try {
1075                         int const length = socket->read_uint32 ();
1076                         scoped_array<char> buffer (new char[length]);
1077                         socket->read (reinterpret_cast<uint8_t*> (buffer.get()), length);
1078                         string s (buffer.get());
1079                         signal_manager->when_idle (bind (&DOMFrame::load_dcp, _frame, s));
1080                         socket->write (reinterpret_cast<uint8_t const *> ("OK"), 3);
1081                 } catch (...) {
1082
1083                 }
1084         }
1085
1086 private:
1087         DOMFrame* _frame;
1088 };
1089
1090 /** @class App
1091  *  @brief The magic App class for wxWidgets.
1092  */
1093 class App : public wxApp
1094 {
1095 public:
1096         App ()
1097                 : wxApp ()
1098         {
1099 #ifdef DCPOMATIC_LINUX
1100                 XInitThreads ();
1101 #endif
1102         }
1103
1104 private:
1105
1106         bool OnInit ()
1107         {
1108                 wxSplashScreen* splash = nullptr;
1109                 try {
1110                         wxInitAllImageHandlers ();
1111
1112                         Config::FailedToLoad.connect (boost::bind (&App::config_failed_to_load, this));
1113                         Config::Warning.connect (boost::bind (&App::config_warning, this, _1));
1114
1115                         splash = maybe_show_splash ();
1116
1117                         SetAppName (_("DCP-o-matic Player"));
1118
1119                         if (!wxApp::OnInit()) {
1120                                 return false;
1121                         }
1122
1123 #ifdef DCPOMATIC_LINUX
1124                         unsetenv ("UBUNTU_MENUPROXY");
1125 #endif
1126
1127 #ifdef DCPOMATIC_OSX
1128                         make_foreground_application ();
1129 #endif
1130
1131                         dcpomatic_setup_path_encoding ();
1132
1133                         /* Enable i18n; this will create a Config object
1134                            to look for a force-configured language.  This Config
1135                            object will be wrong, however, because dcpomatic_setup
1136                            hasn't yet been called and there aren't any filters etc.
1137                            set up yet.
1138                         */
1139                         dcpomatic_setup_i18n ();
1140
1141                         /* Set things up, including filters etc.
1142                            which will now be internationalised correctly.
1143                         */
1144                         dcpomatic_setup ();
1145
1146                         /* Force the configuration to be re-loaded correctly next
1147                            time it is needed.
1148                         */
1149                         Config::drop ();
1150
1151                         signal_manager = new wxSignalManager (this);
1152
1153                         _frame = new DOMFrame ();
1154                         SetTopWindow (_frame);
1155                         _frame->Maximize ();
1156                         if (splash) {
1157                                 splash->Destroy ();
1158                                 splash = nullptr;
1159                         }
1160                         _frame->Show ();
1161
1162                         try {
1163                                 auto server = new PlayServer (_frame);
1164                                 new thread (boost::bind (&PlayServer::run, server));
1165                         } catch (std::exception& e) {
1166                                 /* This is not the end of the world; probably a failure to bind the server socket
1167                                  * because there's already another player running.
1168                                  */
1169                                 LOG_DEBUG_PLAYER ("Failed to start play server (%1)", e.what());
1170                         }
1171
1172                         if (!_dcp_to_load.empty() && boost::filesystem::is_directory (_dcp_to_load)) {
1173                                 try {
1174                                         _frame->load_dcp (_dcp_to_load);
1175                                 } catch (exception& e) {
1176                                         error_dialog (0, std_to_wx (String::compose (wx_to_std (_("Could not load DCP %1.")), _dcp_to_load)), std_to_wx(e.what()));
1177                                 }
1178                         }
1179
1180                         if (_stress) {
1181                                 try {
1182                                         _frame->load_stress_script (*_stress);
1183                                 } catch (exception& e) {
1184                                         error_dialog (0, wxString::Format("Could not load stress test file %s", std_to_wx(*_stress)));
1185                                 }
1186                         }
1187
1188                         Bind (wxEVT_IDLE, boost::bind (&App::idle, this));
1189
1190                         if (Config::instance()->check_for_updates ()) {
1191                                 UpdateChecker::instance()->run ();
1192                         }
1193                 }
1194                 catch (exception& e)
1195                 {
1196                         if (splash) {
1197                                 splash->Destroy ();
1198                         }
1199                         error_dialog (0, _("DCP-o-matic Player could not start."), std_to_wx(e.what()));
1200                 }
1201
1202                 return true;
1203         }
1204
1205         void OnInitCmdLine (wxCmdLineParser& parser)
1206         {
1207                 parser.SetDesc (command_line_description);
1208                 parser.SetSwitchChars (wxT ("-"));
1209         }
1210
1211         bool OnCmdLineParsed (wxCmdLineParser& parser)
1212         {
1213                 if (parser.GetParamCount() > 0) {
1214                         _dcp_to_load = wx_to_std (parser.GetParam (0));
1215                 }
1216
1217                 wxString config;
1218                 if (parser.Found("c", &config)) {
1219                         Config::override_path = wx_to_std (config);
1220                 }
1221                 wxString stress;
1222                 if (parser.Found("s", &stress)) {
1223                         _stress = wx_to_std (stress);
1224                 }
1225
1226                 return true;
1227         }
1228
1229         void report_exception ()
1230         {
1231                 try {
1232                         throw;
1233                 } catch (FileError& e) {
1234                         error_dialog (
1235                                 0,
1236                                 wxString::Format (
1237                                         _("An exception occurred: %s (%s)\n\n") + REPORT_PROBLEM,
1238                                         std_to_wx (e.what()),
1239                                         std_to_wx (e.file().string().c_str ())
1240                                         )
1241                                 );
1242                 } catch (exception& e) {
1243                         error_dialog (
1244                                 0,
1245                                 wxString::Format (
1246                                         _("An exception occurred: %s.\n\n") + REPORT_PROBLEM,
1247                                         std_to_wx (e.what ())
1248                                         )
1249                                 );
1250                 } catch (...) {
1251                         error_dialog (0, _("An unknown exception occurred.") + "  " + REPORT_PROBLEM);
1252                 }
1253         }
1254
1255         /* An unhandled exception has occurred inside the main event loop */
1256         bool OnExceptionInMainLoop ()
1257         {
1258                 report_exception ();
1259                 /* This will terminate the program */
1260                 return false;
1261         }
1262
1263         void OnUnhandledException ()
1264         {
1265                 report_exception ();
1266         }
1267
1268         void idle ()
1269         {
1270                 signal_manager->ui_idle ();
1271         }
1272
1273         void config_failed_to_load ()
1274         {
1275                 message_dialog (_frame, _("The existing configuration failed to load.  Default values will be used instead.  These may take a short time to create."));
1276         }
1277
1278         void config_warning (string m)
1279         {
1280                 message_dialog (_frame, std_to_wx (m));
1281         }
1282
1283         DOMFrame* _frame = nullptr;
1284         string _dcp_to_load;
1285         boost::optional<string> _stress;
1286 };
1287
1288 IMPLEMENT_APP (App)