src/tools/dcpomatic_playlist.cc

   1 /*
   2     Copyright (C) 2018-2021 Carl Hetherington <cth@carlh.net>
   3
   4     This file is part of DCP-o-matic.
   5
   6     DCP-o-matic is free software; you can redistribute it and/or modify
   7     it under the terms of the GNU General Public License as published by
   8     the Free Software Foundation; either version 2 of the License, or
   9     (at your option) any later version.
  10
  11     DCP-o-matic is distributed in the hope that it will be useful,
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14     GNU General Public License for more details.
  15
  16     You should have received a copy of the GNU General Public License
  17     along with DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.
  18
  19 */
  20
  21
  22 #include "wx/about_dialog.h"
  23 #include "wx/content_view.h"
  24 #include "wx/dcpomatic_button.h"
  25 #include "wx/playlist_editor_config_dialog.h"
  26 #include "wx/wx_signal_manager.h"
  27 #include "wx/wx_util.h"
  28 #include "lib/config.h"
  29 #include "lib/cross.h"
  30 #include "lib/dcp_content.h"
  31 #include "lib/film.h"
  32 #include "lib/spl.h"
  33 #include "lib/spl_entry.h"
  34 #include "lib/util.h"
  35 #include <dcp/warnings.h>
  36 LIBDCP_DISABLE_WARNINGS
  37 #include <wx/imaglist.h>
  38 #include <wx/listctrl.h>
  39 #include <wx/preferences.h>
  40 #include <wx/spinctrl.h>
  41 #include <wx/wx.h>
  42 LIBDCP_ENABLE_WARNINGS
  43
  44
  45 using std::cout;
  46 using std::exception;
  47 using std::make_pair;
  48 using std::make_shared;
  49 using std::map;
  50 using std::shared_ptr;
  51 using std::string;
  52 using std::vector;
  53 using std::weak_ptr;
  54 using boost::bind;
  55 using boost::optional;
  56 using std::dynamic_pointer_cast;
  57 #if BOOST_VERSION >= 106100
  58 using namespace boost::placeholders;
  59 #endif
  60
  61
  62 class ContentDialog : public wxDialog, public ContentStore
  63 {
  64 public:
  65         ContentDialog (wxWindow* parent)
  66                 : wxDialog (parent, wxID_ANY, _("Add content"), wxDefaultPosition, wxSize(800, 640))
  67                 , _content_view (new ContentView(this))
  68         {
  69                 _content_view->update ();
  70
  71                 auto overall_sizer = new wxBoxSizer (wxVERTICAL);
  72                 SetSizer (overall_sizer);
  73
  74                 overall_sizer->Add (_content_view, 1, wxEXPAND | wxALL, DCPOMATIC_DIALOG_BORDER);
  75
  76                 auto buttons = CreateSeparatedButtonSizer (wxOK | wxCANCEL);
  77                 if (buttons) {
  78                         overall_sizer->Add (buttons, wxSizerFlags().Expand().DoubleBorder());
  79                 }
  80
  81                 overall_sizer->Layout ();
  82
  83                 _config_changed_connection = Config::instance()->Changed.connect(boost::bind(&ContentView::update, _content_view));
  84         }
  85
  86         shared_ptr<Content> selected () const
  87         {
  88                 return _content_view->selected ();
  89         }
  90
  91         shared_ptr<Content> get (string digest) const override
  92         {
  93                 return _content_view->get (digest);
  94         }
  95
  96 private:
  97         ContentView* _content_view;
  98         boost::signals2::scoped_connection _config_changed_connection;
  99 };
 100
 101
 102
 103 class PlaylistList
 104 {
 105 public:
 106         PlaylistList (wxPanel* parent, ContentStore* content_store)
 107                 : _sizer (new wxBoxSizer(wxVERTICAL))
 108                 , _content_store (content_store)
 109         {
 110                 auto label = new wxStaticText (parent, wxID_ANY, wxEmptyString);
 111                 label->SetLabelMarkup (_("<b>Playlists</b>"));
 112                 _sizer->Add (label, 0, wxTOP | wxLEFT, DCPOMATIC_SIZER_GAP * 2);
 113
 114                 _list = new wxListCtrl (
 115                         parent, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxLC_REPORT | wxLC_SINGLE_SEL
 116                         );
 117
 118                 _list->AppendColumn (_("Name"), wxLIST_FORMAT_LEFT, 840);
 119                 _list->AppendColumn (_("Length"), wxLIST_FORMAT_LEFT, 100);
 120
 121                 auto button_sizer = new wxBoxSizer (wxVERTICAL);
 122                 _new = new Button (parent, _("New"));
 123                 button_sizer->Add (_new, 0, wxEXPAND | wxBOTTOM, DCPOMATIC_BUTTON_STACK_GAP);
 124                 _delete = new Button (parent, _("Delete"));
 125                 button_sizer->Add (_delete, 0, wxEXPAND | wxBOTTOM, DCPOMATIC_BUTTON_STACK_GAP);
 126
 127                 auto list = new wxBoxSizer (wxHORIZONTAL);
 128                 list->Add (_list, 1, wxEXPAND | wxALL, DCPOMATIC_SIZER_GAP);
 129                 list->Add (button_sizer, 0, wxALL, DCPOMATIC_SIZER_GAP);
 130
 131                 _sizer->Add (list);
 132
 133                 load_playlists ();
 134
 135                 _list->Bind (wxEVT_COMMAND_LIST_ITEM_SELECTED, bind(&PlaylistList::selection_changed, this));
 136                 _list->Bind (wxEVT_COMMAND_LIST_ITEM_DESELECTED, bind(&PlaylistList::selection_changed, this));
 137                 _new->Bind (wxEVT_BUTTON, bind(&PlaylistList::new_playlist, this));
 138                 _delete->Bind (wxEVT_BUTTON, bind(&PlaylistList::delete_playlist, this));
 139
 140                 setup_sensitivity();
 141         }
 142
 143         wxSizer* sizer ()
 144         {
 145                 return _sizer;
 146         }
 147
 148         shared_ptr<SignalSPL> first_playlist () const
 149         {
 150                 if (_playlists.empty()) {
 151                         return {};
 152                 }
 153
 154                 return _playlists.front ();
 155         }
 156
 157         boost::signals2::signal<void (shared_ptr<SignalSPL>)> Edit;
 158
 159 private:
 160         void setup_sensitivity()
 161         {
 162                 _delete->Enable(static_cast<bool>(selected()));
 163         }
 164
 165         void add_playlist_to_view (shared_ptr<const SignalSPL> playlist)
 166         {
 167                 wxListItem item;
 168                 item.SetId (_list->GetItemCount());
 169                 long const N = _list->InsertItem (item);
 170                 _list->SetItem (N, 0, std_to_wx(playlist->name()));
 171         }
 172
 173         void add_playlist_to_model (shared_ptr<SignalSPL> playlist)
 174         {
 175                 _playlists.push_back (playlist);
 176                 playlist->Changed.connect(bind(&PlaylistList::changed, this, weak_ptr<SignalSPL>(playlist), _1));
 177         }
 178
 179         void changed(weak_ptr<SignalSPL> wp, SignalSPL::Change change)
 180         {
 181                 auto playlist = wp.lock ();
 182                 if (!playlist) {
 183                         return;
 184                 }
 185
 186                 switch (change) {
 187                 case SignalSPL::Change::NAME:
 188                 {
 189                         int N = 0;
 190                         for (auto i: _playlists) {
 191                                 if (i == playlist) {
 192                                         _list->SetItem (N, 0, std_to_wx(i->name()));
 193                                 }
 194                                 ++N;
 195                         }
 196                         break;
 197                 }
 198                 case SignalSPL::Change::CONTENT:
 199                         if (auto dir = Config::instance()->player_playlist_directory()) {
 200                                 playlist->write(*dir / (playlist->id() + ".xml"));
 201                         }
 202                         break;
 203                 }
 204         }
 205
 206         void load_playlists ()
 207         {
 208                 auto path = Config::instance()->player_playlist_directory();
 209                 if (!path) {
 210                         return;
 211                 }
 212
 213                 _list->DeleteAllItems ();
 214                 _playlists.clear ();
 215                 for (auto i: boost::filesystem::directory_iterator(*path)) {
 216                         auto spl = make_shared<SignalSPL>();
 217                         try {
 218                                 spl->read (i, _content_store);
 219                                 add_playlist_to_model (spl);
 220                         } catch (...) {}
 221                 }
 222
 223                 for (auto i: _playlists) {
 224                         add_playlist_to_view (i);
 225                 }
 226         }
 227
 228         void new_playlist ()
 229         {
 230                 shared_ptr<SignalSPL> spl (new SignalSPL(wx_to_std(_("New Playlist"))));
 231                 add_playlist_to_model (spl);
 232                 add_playlist_to_view (spl);
 233                 _list->SetItemState (_list->GetItemCount() - 1, wxLIST_STATE_SELECTED, wxLIST_STATE_SELECTED);
 234         }
 235
 236         boost::optional<int> selected() const
 237         {
 238                 long int selected = _list->GetNextItem(-1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED);
 239                 if (selected < 0 || selected >= int(_playlists.size())) {
 240                         return {};
 241                 }
 242
 243                 return selected;
 244         }
 245
 246         void delete_playlist ()
 247         {
 248                 auto index = selected();
 249                 if (!index) {
 250                         return;
 251                 }
 252
 253                 auto dir = Config::instance()->player_playlist_directory();
 254                 if (!dir) {
 255                         return;
 256                 }
 257
 258                 boost::filesystem::remove(*dir / (_playlists[*index]->id() + ".xml"));
 259                 _list->DeleteItem(*index);
 260                 _playlists.erase(_playlists.begin() + *index);
 261
 262                 Edit(shared_ptr<SignalSPL>());
 263         }
 264
 265         void selection_changed ()
 266         {
 267                 long int selected = _list->GetNextItem (-1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED);
 268                 if (selected < 0 || selected >= int(_playlists.size())) {
 269                         Edit (shared_ptr<SignalSPL>());
 270                 } else {
 271                         Edit (_playlists[selected]);
 272                 }
 273
 274                 setup_sensitivity();
 275         }
 276
 277         wxBoxSizer* _sizer;
 278         wxListCtrl* _list;
 279         wxButton* _new;
 280         wxButton* _delete;
 281         vector<shared_ptr<SignalSPL>> _playlists;
 282         ContentStore* _content_store;
 283 };
 284
 285
 286 class PlaylistContent
 287 {
 288 public:
 289         PlaylistContent (wxPanel* parent, ContentDialog* content_dialog)
 290                 : _content_dialog (content_dialog)
 291                 , _sizer (new wxBoxSizer(wxVERTICAL))
 292         {
 293                 auto title = new wxBoxSizer (wxHORIZONTAL);
 294                 auto label = new wxStaticText (parent, wxID_ANY, wxEmptyString);
 295                 label->SetLabelMarkup (_("<b>Playlist:</b>"));
 296                 title->Add (label, 0, wxALIGN_CENTER_VERTICAL | wxRIGHT, DCPOMATIC_SIZER_GAP);
 297                 _name = new wxTextCtrl (parent, wxID_ANY, wxEmptyString, wxDefaultPosition, wxSize(400, -1));
 298                 title->Add (_name, 0, wxRIGHT, DCPOMATIC_SIZER_GAP);
 299                 _sizer->Add (title, 0, wxTOP | wxLEFT, DCPOMATIC_SIZER_GAP * 2);
 300
 301                 auto list = new wxBoxSizer (wxHORIZONTAL);
 302
 303                 _list = new wxListCtrl (
 304                         parent, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxLC_REPORT | wxLC_SINGLE_SEL
 305                         );
 306
 307                 _list->AppendColumn (_("Name"), wxLIST_FORMAT_LEFT, 400);
 308                 _list->AppendColumn (_("CPL"), wxLIST_FORMAT_LEFT, 350);
 309                 _list->AppendColumn (_("Type"), wxLIST_FORMAT_LEFT, 100);
 310                 _list->AppendColumn (_("Encrypted"), wxLIST_FORMAT_CENTRE, 90);
 311
 312                 auto images = new wxImageList (16, 16);
 313                 wxIcon tick_icon;
 314                 wxIcon no_tick_icon;
 315                 tick_icon.LoadFile (bitmap_path("tick.png"), wxBITMAP_TYPE_PNG);
 316                 no_tick_icon.LoadFile (bitmap_path("no_tick.png"), wxBITMAP_TYPE_PNG);
 317                 images->Add (tick_icon);
 318                 images->Add (no_tick_icon);
 319
 320                 _list->SetImageList (images, wxIMAGE_LIST_SMALL);
 321
 322                 list->Add (_list, 1, wxEXPAND | wxALL, DCPOMATIC_SIZER_GAP);
 323
 324                 auto button_sizer = new wxBoxSizer (wxVERTICAL);
 325                 _up = new Button (parent, _("Up"));
 326                 _down = new Button (parent, _("Down"));
 327                 _add = new Button (parent, _("Add"));
 328                 _remove = new Button (parent, _("Remove"));
 329                 button_sizer->Add (_up, 0, wxEXPAND | wxBOTTOM, DCPOMATIC_BUTTON_STACK_GAP);
 330                 button_sizer->Add (_down, 0, wxEXPAND | wxBOTTOM, DCPOMATIC_BUTTON_STACK_GAP);
 331                 button_sizer->Add (_add, 0, wxEXPAND | wxBOTTOM, DCPOMATIC_BUTTON_STACK_GAP);
 332                 button_sizer->Add (_remove, 0, wxEXPAND | wxBOTTOM, DCPOMATIC_BUTTON_STACK_GAP);
 333
 334                 list->Add (button_sizer, 0, wxALL, DCPOMATIC_SIZER_GAP);
 335
 336                 _sizer->Add (list);
 337
 338                 _list->Bind (wxEVT_COMMAND_LIST_ITEM_SELECTED, bind(&PlaylistContent::setup_sensitivity, this));
 339                 _list->Bind (wxEVT_COMMAND_LIST_ITEM_DESELECTED, bind(&PlaylistContent::setup_sensitivity, this));
 340                 _name->Bind (wxEVT_TEXT, bind(&PlaylistContent::name_changed, this));
 341                 _up->Bind (wxEVT_BUTTON, bind(&PlaylistContent::up_clicked, this));
 342                 _down->Bind (wxEVT_BUTTON, bind(&PlaylistContent::down_clicked, this));
 343                 _add->Bind (wxEVT_BUTTON, bind(&PlaylistContent::add_clicked, this));
 344                 _remove->Bind (wxEVT_BUTTON, bind(&PlaylistContent::remove_clicked, this));
 345
 346                 setup_sensitivity();
 347         }
 348
 349         wxSizer* sizer ()
 350         {
 351                 return _sizer;
 352         }
 353
 354         void set (shared_ptr<SignalSPL> playlist)
 355         {
 356                 _playlist = playlist;
 357                 _list->DeleteAllItems ();
 358                 if (_playlist) {
 359                         for (auto i: _playlist->get()) {
 360                                 add (i);
 361                         }
 362                         _name->SetValue (std_to_wx(_playlist->name()));
 363                 } else {
 364                         _name->SetValue (wxT(""));
 365                 }
 366                 setup_sensitivity ();
 367         }
 368
 369         shared_ptr<SignalSPL> playlist () const
 370         {
 371                 return _playlist;
 372         }
 373
 374
 375 private:
 376         void name_changed ()
 377         {
 378                 if (_playlist) {
 379                         _playlist->set_name (wx_to_std(_name->GetValue()));
 380                 }
 381         }
 382
 383         void add (SPLEntry e)
 384         {
 385                 wxListItem item;
 386                 item.SetId (_list->GetItemCount());
 387                 long const N = _list->InsertItem (item);
 388                 set_item (N, e);
 389         }
 390
 391         void set_item (long N, SPLEntry e)
 392         {
 393                 _list->SetItem (N, 0, std_to_wx(e.name));
 394                 _list->SetItem (N, 1, std_to_wx(e.id));
 395                 _list->SetItem (N, 2, std_to_wx(e.kind->name()));
 396                 _list->SetItem (N, 3, e.encrypted ? S_("Question|Y") : S_("Question|N"));
 397         }
 398
 399         void setup_sensitivity ()
 400         {
 401                 bool const have_list = static_cast<bool>(_playlist);
 402                 int const num_selected = _list->GetSelectedItemCount ();
 403                 long int selected = _list->GetNextItem (-1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED);
 404                 _name->Enable (have_list);
 405                 _list->Enable (have_list);
 406                 _up->Enable (have_list && selected > 0);
 407                 _down->Enable (have_list && selected != -1 && selected < (_list->GetItemCount() - 1));
 408                 _add->Enable (have_list);
 409                 _remove->Enable (have_list && num_selected > 0);
 410         }
 411
 412         void add_clicked ()
 413         {
 414                 int const r = _content_dialog->ShowModal ();
 415                 if (r == wxID_OK) {
 416                         auto content = _content_dialog->selected ();
 417                         if (content) {
 418                                 SPLEntry e (content);
 419                                 add (e);
 420                                 DCPOMATIC_ASSERT (_playlist);
 421                                 _playlist->add (e);
 422                         }
 423                 }
 424         }
 425
 426         void up_clicked ()
 427         {
 428                 long int s = _list->GetNextItem (-1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED);
 429                 if (s < 1) {
 430                         return;
 431                 }
 432
 433                 DCPOMATIC_ASSERT (_playlist);
 434
 435                 _playlist->swap(s, s - 1);
 436
 437                 set_item (s - 1, (*_playlist)[s-1]);
 438                 set_item (s, (*_playlist)[s]);
 439         }
 440
 441         void down_clicked ()
 442         {
 443                 long int s = _list->GetNextItem (-1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED);
 444                 if (s > (_list->GetItemCount() - 1)) {
 445                         return;
 446                 }
 447
 448                 DCPOMATIC_ASSERT (_playlist);
 449
 450                 _playlist->swap(s, s + 1);
 451
 452                 set_item (s + 1, (*_playlist)[s+1]);
 453                 set_item (s, (*_playlist)[s]);
 454         }
 455
 456         void remove_clicked ()
 457         {
 458                 long int s = _list->GetNextItem (-1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED);
 459                 if (s == -1) {
 460                         return;
 461                 }
 462
 463                 DCPOMATIC_ASSERT (_playlist);
 464                 _playlist->remove (s);
 465                 _list->DeleteItem (s);
 466         }
 467
 468         ContentDialog* _content_dialog;
 469         wxBoxSizer* _sizer;
 470         wxTextCtrl* _name;
 471         wxListCtrl* _list;
 472         wxButton* _up;
 473         wxButton* _down;
 474         wxButton* _add;
 475         wxButton* _remove;
 476         shared_ptr<SignalSPL> _playlist;
 477 };
 478
 479
 480 class DOMFrame : public wxFrame
 481 {
 482 public:
 483         explicit DOMFrame (wxString const & title)
 484                 : wxFrame (nullptr, wxID_ANY, title)
 485                 , _content_dialog (new ContentDialog(this))
 486                 , _config_dialog (nullptr)
 487         {
 488                 auto bar = new wxMenuBar;
 489                 setup_menu (bar);
 490                 SetMenuBar (bar);
 491
 492                 /* Use a panel as the only child of the Frame so that we avoid
 493                    the dark-grey background on Windows.
 494                 */
 495                 auto overall_panel = new wxPanel (this, wxID_ANY);
 496                 auto sizer = new wxBoxSizer (wxVERTICAL);
 497
 498                 _playlist_list = new PlaylistList (overall_panel, _content_dialog);
 499                 _playlist_content = new PlaylistContent (overall_panel, _content_dialog);
 500
 501                 sizer->Add (_playlist_list->sizer());
 502                 sizer->Add (_playlist_content->sizer());
 503
 504                 overall_panel->SetSizer (sizer);
 505
 506                 _playlist_list->Edit.connect (bind(&DOMFrame::change_playlist, this, _1));
 507
 508                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_exit, this), wxID_EXIT);
 509                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::help_about, this), wxID_ABOUT);
 510                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::edit_preferences, this), wxID_PREFERENCES);
 511
 512                 _config_changed_connection = Config::instance()->Changed.connect(boost::bind(&DOMFrame::config_changed, this));
 513         }
 514
 515 private:
 516
 517         void file_exit ()
 518         {
 519                 /* false here allows the close handler to veto the close request */
 520                 Close (false);
 521         }
 522
 523         void help_about ()
 524         {
 525                 auto d = new AboutDialog (this);
 526                 d->ShowModal ();
 527                 d->Destroy ();
 528         }
 529
 530         void edit_preferences ()
 531         {
 532                 if (!_config_dialog) {
 533                         _config_dialog = create_playlist_editor_config_dialog ();
 534                 }
 535                 _config_dialog->Show (this);
 536         }
 537
 538         void change_playlist (shared_ptr<SignalSPL> playlist)
 539         {
 540                 auto old = _playlist_content->playlist ();
 541                 if (old) {
 542                         save_playlist (old);
 543                 }
 544                 _playlist_content->set (playlist);
 545         }
 546
 547         void save_playlist (shared_ptr<SignalSPL> playlist)
 548         {
 549                 auto dir = Config::instance()->player_playlist_directory();
 550                 if (!dir) {
 551                         error_dialog (this, _("No playlist folder is specified in preferences.  Please set one and then try again."));
 552                         return;
 553                 }
 554                 playlist->write (*dir / (playlist->id() + ".xml"));
 555         }
 556
 557         void setup_menu (wxMenuBar* m)
 558         {
 559                 auto file = new wxMenu;
 560 #ifdef __WXOSX__
 561                 file->Append (wxID_EXIT, _("&Exit"));
 562 #else
 563                 file->Append (wxID_EXIT, _("&Quit"));
 564 #endif
 565
 566 #ifndef __WXOSX__
 567                 auto edit = new wxMenu;
 568                 edit->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
 569 #endif
 570
 571                 auto help = new wxMenu;
 572 #ifdef __WXOSX__
 573                 help->Append (wxID_ABOUT, _("About DCP-o-matic"));
 574 #else
 575                 help->Append (wxID_ABOUT, _("About"));
 576 #endif
 577
 578                 m->Append (file, _("&File"));
 579 #ifndef __WXOSX__
 580                 m->Append (edit, _("&Edit"));
 581 #endif
 582                 m->Append (help, _("&Help"));
 583         }
 584
 585
 586         void config_changed ()
 587         {
 588                 try {
 589                         Config::instance()->write_config();
 590                 } catch (exception& e) {
 591                         error_dialog (
 592                                 this,
 593                                 wxString::Format (
 594                                         _("Could not write to config file at %s.  Your changes have not been saved."),
 595                                         std_to_wx (Config::instance()->cinemas_file().string()).data()
 596                                         )
 597                                 );
 598                 }
 599         }
 600
 601         ContentDialog* _content_dialog;
 602         PlaylistList* _playlist_list;
 603         PlaylistContent* _playlist_content;
 604         wxPreferencesEditor* _config_dialog;
 605         boost::signals2::scoped_connection _config_changed_connection;
 606 };
 607
 608
 609 /** @class App
 610  *  @brief The magic App class for wxWidgets.
 611  */
 612 class App : public wxApp
 613 {
 614 public:
 615         App ()
 616                 : wxApp ()
 617                 , _frame (nullptr)
 618         {}
 619
 620 private:
 621
 622         bool OnInit () override
 623         try
 624         {
 625                 wxInitAllImageHandlers ();
 626                 SetAppName (_("DCP-o-matic Playlist Editor"));
 627
 628                 if (!wxApp::OnInit()) {
 629                         return false;
 630                 }
 631
 632 #ifdef DCPOMATIC_LINUX
 633                 unsetenv ("UBUNTU_MENUPROXY");
 634 #endif
 635
 636 #ifdef DCPOMATIC_OSX
 637                 make_foreground_application ();
 638 #endif
 639
 640                 dcpomatic_setup_path_encoding ();
 641
 642                 /* Enable i18n; this will create a Config object
 643                    to look for a force-configured language.  This Config
 644                    object will be wrong, however, because dcpomatic_setup
 645                    hasn't yet been called and there aren't any filters etc.
 646                    set up yet.
 647                 */
 648                 dcpomatic_setup_i18n ();
 649
 650                 /* Set things up, including filters etc.
 651                    which will now be internationalised correctly.
 652                 */
 653                 dcpomatic_setup ();
 654
 655                 /* Force the configuration to be re-loaded correctly next
 656                    time it is needed.
 657                 */
 658                 Config::drop ();
 659
 660                 _frame = new DOMFrame (_("DCP-o-matic Playlist Editor"));
 661                 SetTopWindow (_frame);
 662                 _frame->Maximize ();
 663                 _frame->Show ();
 664
 665                 signal_manager = new wxSignalManager (this);
 666                 Bind (wxEVT_IDLE, boost::bind (&App::idle, this));
 667
 668                 return true;
 669         }
 670         catch (exception& e)
 671         {
 672                 error_dialog (0, _("DCP-o-matic could not start"), std_to_wx(e.what()));
 673                 return true;
 674         }
 675
 676         /* An unhandled exception has occurred inside the main event loop */
 677         bool OnExceptionInMainLoop () override
 678         {
 679                 try {
 680                         throw;
 681                 } catch (FileError& e) {
 682                         error_dialog (
 683                                 0,
 684                                 wxString::Format (
 685                                         _("An exception occurred: %s (%s)\n\n") + REPORT_PROBLEM,
 686                                         std_to_wx (e.what()),
 687                                         std_to_wx (e.file().string().c_str ())
 688                                         )
 689                                 );
 690                 } catch (exception& e) {
 691                         error_dialog (
 692                                 0,
 693                                 wxString::Format (
 694                                         _("An exception occurred: %s.\n\n") + " " + REPORT_PROBLEM,
 695                                         std_to_wx (e.what ())
 696                                         )
 697                                 );
 698                 } catch (...) {
 699                         error_dialog (0, _("An unknown exception occurred.") + "  " + REPORT_PROBLEM);
 700                 }
 701
 702                 /* This will terminate the program */
 703                 return false;
 704         }
 705
 706         void OnUnhandledException () override
 707         {
 708                 error_dialog (0, _("An unknown exception occurred.") + "  " + REPORT_PROBLEM);
 709         }
 710
 711         void idle ()
 712         {
 713                 signal_manager->ui_idle ();
 714         }
 715
 716         DOMFrame* _frame;
 717 };
 718
 719 IMPLEMENT_APP (App)