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