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 static
  63 void
  64 save_playlist(shared_ptr<const SPL> playlist)
  65 {
  66         if (auto dir = Config::instance()->player_playlist_directory()) {
  67                 playlist->write(*dir / (playlist->id() + ".xml"));
  68         }
  69 }
  70
  71
  72 class ContentDialog : public wxDialog, public ContentStore
  73 {
  74 public:
  75         ContentDialog (wxWindow* parent)
  76                 : wxDialog (parent, wxID_ANY, _("Add content"), wxDefaultPosition, wxSize(800, 640))
  77                 , _content_view (new ContentView(this))
  78         {
  79                 _content_view->update ();
  80
  81                 auto overall_sizer = new wxBoxSizer (wxVERTICAL);
  82                 SetSizer (overall_sizer);
  83
  84                 overall_sizer->Add (_content_view, 1, wxEXPAND | wxALL, DCPOMATIC_DIALOG_BORDER);
  85
  86                 auto buttons = CreateSeparatedButtonSizer (wxOK | wxCANCEL);
  87                 if (buttons) {
  88                         overall_sizer->Add (buttons, wxSizerFlags().Expand().DoubleBorder());
  89                 }
  90
  91                 overall_sizer->Layout ();
  92
  93                 _config_changed_connection = Config::instance()->Changed.connect(boost::bind(&ContentView::update, _content_view));
  94         }
  95
  96         shared_ptr<Content> selected () const
  97         {
  98                 return _content_view->selected ();
  99         }
 100
 101         shared_ptr<Content> get (string digest) const override
 102         {
 103                 return _content_view->get (digest);
 104         }
 105
 106 private:
 107         ContentView* _content_view;
 108         boost::signals2::scoped_connection _config_changed_connection;
 109 };
 110
 111
 112
 113 class PlaylistList
 114 {
 115 public:
 116         PlaylistList (wxPanel* parent, ContentStore* content_store)
 117                 : _sizer (new wxBoxSizer(wxVERTICAL))
 118                 , _content_store (content_store)
 119                 , _parent(parent)
 120         {
 121                 auto label = new wxStaticText (parent, wxID_ANY, wxEmptyString);
 122                 label->SetLabelMarkup (_("<b>Playlists</b>"));
 123                 _sizer->Add (label, 0, wxTOP | wxLEFT, DCPOMATIC_SIZER_GAP * 2);
 124
 125                 _list = new wxListCtrl (
 126                         parent, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxLC_REPORT | wxLC_SINGLE_SEL
 127                         );
 128
 129                 _list->AppendColumn (_("Name"), wxLIST_FORMAT_LEFT, 840);
 130                 _list->AppendColumn (_("Length"), wxLIST_FORMAT_LEFT, 100);
 131
 132                 auto button_sizer = new wxBoxSizer (wxVERTICAL);
 133                 _new = new Button (parent, _("New"));
 134                 button_sizer->Add (_new, 0, wxEXPAND | wxBOTTOM, DCPOMATIC_BUTTON_STACK_GAP);
 135                 _delete = new Button (parent, _("Delete"));
 136                 button_sizer->Add (_delete, 0, wxEXPAND | wxBOTTOM, DCPOMATIC_BUTTON_STACK_GAP);
 137
 138                 auto list = new wxBoxSizer (wxHORIZONTAL);
 139                 list->Add (_list, 1, wxEXPAND | wxALL, DCPOMATIC_SIZER_GAP);
 140                 list->Add (button_sizer, 0, wxALL, DCPOMATIC_SIZER_GAP);
 141
 142                 _sizer->Add (list);
 143
 144                 load_playlists ();
 145
 146                 _list->Bind (wxEVT_COMMAND_LIST_ITEM_SELECTED, bind(&PlaylistList::selection_changed, this));
 147                 _list->Bind (wxEVT_COMMAND_LIST_ITEM_DESELECTED, bind(&PlaylistList::selection_changed, this));
 148                 _new->Bind (wxEVT_BUTTON, bind(&PlaylistList::new_playlist, this));
 149                 _delete->Bind (wxEVT_BUTTON, bind(&PlaylistList::delete_playlist, this));
 150
 151                 setup_sensitivity();
 152         }
 153
 154         wxSizer* sizer ()
 155         {
 156                 return _sizer;
 157         }
 158
 159         shared_ptr<SignalSPL> first_playlist () const
 160         {
 161                 if (_playlists.empty()) {
 162                         return {};
 163                 }
 164
 165                 return _playlists.front ();
 166         }
 167
 168         boost::signals2::signal<void (shared_ptr<SignalSPL>)> Edit;
 169
 170 private:
 171         void setup_sensitivity()
 172         {
 173                 _delete->Enable(static_cast<bool>(selected()));
 174         }
 175
 176         void add_playlist_to_view (shared_ptr<const SignalSPL> playlist)
 177         {
 178                 wxListItem item;
 179                 item.SetId (_list->GetItemCount());
 180                 long const N = _list->InsertItem (item);
 181                 _list->SetItem (N, 0, std_to_wx(playlist->name()));
 182         }
 183
 184         void add_playlist_to_model (shared_ptr<SignalSPL> playlist)
 185         {
 186                 _playlists.push_back (playlist);
 187                 playlist->Changed.connect(bind(&PlaylistList::changed, this, weak_ptr<SignalSPL>(playlist), _1));
 188         }
 189
 190         void changed(weak_ptr<SignalSPL> wp, SignalSPL::Change change)
 191         {
 192                 auto playlist = wp.lock ();
 193                 if (!playlist) {
 194                         return;
 195                 }
 196
 197                 switch (change) {
 198                 case SignalSPL::Change::NAME:
 199                 {
 200                         int N = 0;
 201                         for (auto i: _playlists) {
 202                                 if (i == playlist) {
 203                                         _list->SetItem (N, 0, std_to_wx(i->name()));
 204                                 }
 205                                 ++N;
 206                         }
 207                         break;
 208                 }
 209                 case SignalSPL::Change::CONTENT:
 210                         save_playlist(playlist);
 211                         break;
 212                 }
 213         }
 214
 215         void load_playlists ()
 216         {
 217                 auto path = Config::instance()->player_playlist_directory();
 218                 if (!path) {
 219                         return;
 220                 }
 221
 222                 _list->DeleteAllItems ();
 223                 _playlists.clear ();
 224                 for (auto i: boost::filesystem::directory_iterator(*path)) {
 225                         auto spl = make_shared<SignalSPL>();
 226                         try {
 227                                 spl->read (i, _content_store);
 228                                 add_playlist_to_model (spl);
 229                         } catch (...) {}
 230                 }
 231
 232                 for (auto i: _playlists) {
 233                         add_playlist_to_view (i);
 234                 }
 235         }
 236
 237         void new_playlist ()
 238         {
 239                 auto dir = Config::instance()->player_playlist_directory();
 240                 if (!dir) {
 241                         error_dialog(_parent, _("No playlist folder is specified in preferences.  Please set one and then try again."));
 242                         return;
 243                 }
 244
 245                 shared_ptr<SignalSPL> spl (new SignalSPL(wx_to_std(_("New Playlist"))));
 246                 add_playlist_to_model (spl);
 247                 add_playlist_to_view (spl);
 248                 _list->SetItemState (_list->GetItemCount() - 1, wxLIST_STATE_SELECTED, wxLIST_STATE_SELECTED);
 249         }
 250
 251         boost::optional<int> selected() const
 252         {
 253                 long int selected = _list->GetNextItem(-1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED);
 254                 if (selected < 0 || selected >= int(_playlists.size())) {
 255                         return {};
 256                 }
 257
 258                 return selected;
 259         }
 260
 261         void delete_playlist ()
 262         {
 263                 auto index = selected();
 264                 if (!index) {
 265                         return;
 266                 }
 267
 268                 auto dir = Config::instance()->player_playlist_directory();
 269                 if (!dir) {
 270                         return;
 271                 }
 272
 273                 boost::filesystem::remove(*dir / (_playlists[*index]->id() + ".xml"));
 274                 _list->DeleteItem(*index);
 275                 _playlists.erase(_playlists.begin() + *index);
 276
 277                 Edit(shared_ptr<SignalSPL>());
 278         }
 279
 280         void selection_changed ()
 281         {
 282                 long int selected = _list->GetNextItem (-1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED);
 283                 if (selected < 0 || selected >= int(_playlists.size())) {
 284                         Edit (shared_ptr<SignalSPL>());
 285                 } else {
 286                         Edit (_playlists[selected]);
 287                 }
 288
 289                 setup_sensitivity();
 290         }
 291
 292         wxBoxSizer* _sizer;
 293         wxListCtrl* _list;
 294         wxButton* _new;
 295         wxButton* _delete;
 296         vector<shared_ptr<SignalSPL>> _playlists;
 297         ContentStore* _content_store;
 298         wxWindow* _parent;
 299 };
 300
 301
 302 class PlaylistContent
 303 {
 304 public:
 305         PlaylistContent (wxPanel* parent, ContentDialog* content_dialog)
 306                 : _content_dialog (content_dialog)
 307                 , _sizer (new wxBoxSizer(wxVERTICAL))
 308         {
 309                 auto title = new wxBoxSizer (wxHORIZONTAL);
 310                 auto label = new wxStaticText (parent, wxID_ANY, wxEmptyString);
 311                 label->SetLabelMarkup (_("<b>Playlist:</b>"));
 312                 title->Add (label, 0, wxALIGN_CENTER_VERTICAL | wxRIGHT, DCPOMATIC_SIZER_GAP);
 313                 _name = new wxTextCtrl (parent, wxID_ANY, wxEmptyString, wxDefaultPosition, wxSize(400, -1));
 314                 title->Add (_name, 0, wxRIGHT, DCPOMATIC_SIZER_GAP);
 315                 _sizer->Add (title, 0, wxTOP | wxLEFT, DCPOMATIC_SIZER_GAP * 2);
 316
 317                 auto list = new wxBoxSizer (wxHORIZONTAL);
 318
 319                 _list = new wxListCtrl (
 320                         parent, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxLC_REPORT | wxLC_SINGLE_SEL
 321                         );
 322
 323                 _list->AppendColumn (_("Name"), wxLIST_FORMAT_LEFT, 400);
 324                 _list->AppendColumn (_("CPL"), wxLIST_FORMAT_LEFT, 350);
 325                 _list->AppendColumn (_("Type"), wxLIST_FORMAT_LEFT, 100);
 326                 _list->AppendColumn (_("Encrypted"), wxLIST_FORMAT_CENTRE, 90);
 327
 328                 auto images = new wxImageList (16, 16);
 329                 wxIcon tick_icon;
 330                 wxIcon no_tick_icon;
 331                 tick_icon.LoadFile (bitmap_path("tick.png"), wxBITMAP_TYPE_PNG);
 332                 no_tick_icon.LoadFile (bitmap_path("no_tick.png"), wxBITMAP_TYPE_PNG);
 333                 images->Add (tick_icon);
 334                 images->Add (no_tick_icon);
 335
 336                 _list->SetImageList (images, wxIMAGE_LIST_SMALL);
 337
 338                 list->Add (_list, 1, wxEXPAND | wxALL, DCPOMATIC_SIZER_GAP);
 339
 340                 auto button_sizer = new wxBoxSizer (wxVERTICAL);
 341                 _up = new Button (parent, _("Up"));
 342                 _down = new Button (parent, _("Down"));
 343                 _add = new Button (parent, _("Add"));
 344                 _remove = new Button (parent, _("Remove"));
 345                 button_sizer->Add (_up, 0, wxEXPAND | wxBOTTOM, DCPOMATIC_BUTTON_STACK_GAP);
 346                 button_sizer->Add (_down, 0, wxEXPAND | wxBOTTOM, DCPOMATIC_BUTTON_STACK_GAP);
 347                 button_sizer->Add (_add, 0, wxEXPAND | wxBOTTOM, DCPOMATIC_BUTTON_STACK_GAP);
 348                 button_sizer->Add (_remove, 0, wxEXPAND | wxBOTTOM, DCPOMATIC_BUTTON_STACK_GAP);
 349
 350                 list->Add (button_sizer, 0, wxALL, DCPOMATIC_SIZER_GAP);
 351
 352                 _sizer->Add (list);
 353
 354                 _list->Bind (wxEVT_COMMAND_LIST_ITEM_SELECTED, bind(&PlaylistContent::setup_sensitivity, this));
 355                 _list->Bind (wxEVT_COMMAND_LIST_ITEM_DESELECTED, bind(&PlaylistContent::setup_sensitivity, this));
 356                 _name->Bind (wxEVT_TEXT, bind(&PlaylistContent::name_changed, this));
 357                 _up->Bind (wxEVT_BUTTON, bind(&PlaylistContent::up_clicked, this));
 358                 _down->Bind (wxEVT_BUTTON, bind(&PlaylistContent::down_clicked, this));
 359                 _add->Bind (wxEVT_BUTTON, bind(&PlaylistContent::add_clicked, this));
 360                 _remove->Bind (wxEVT_BUTTON, bind(&PlaylistContent::remove_clicked, this));
 361
 362                 setup_sensitivity();
 363         }
 364
 365         wxSizer* sizer ()
 366         {
 367                 return _sizer;
 368         }
 369
 370         void set (shared_ptr<SignalSPL> playlist)
 371         {
 372                 _playlist = playlist;
 373                 _list->DeleteAllItems ();
 374                 if (_playlist) {
 375                         for (auto i: _playlist->get()) {
 376                                 add (i);
 377                         }
 378                         _name->SetValue (std_to_wx(_playlist->name()));
 379                 } else {
 380                         _name->SetValue (wxT(""));
 381                 }
 382                 setup_sensitivity ();
 383         }
 384
 385         shared_ptr<SignalSPL> playlist () const
 386         {
 387                 return _playlist;
 388         }
 389
 390
 391 private:
 392         void name_changed ()
 393         {
 394                 if (_playlist) {
 395                         _playlist->set_name (wx_to_std(_name->GetValue()));
 396                 }
 397         }
 398
 399         void add (SPLEntry e)
 400         {
 401                 wxListItem item;
 402                 item.SetId (_list->GetItemCount());
 403                 long const N = _list->InsertItem (item);
 404                 set_item (N, e);
 405         }
 406
 407         void set_item (long N, SPLEntry e)
 408         {
 409                 _list->SetItem (N, 0, std_to_wx(e.name));
 410                 _list->SetItem (N, 1, std_to_wx(e.id));
 411                 _list->SetItem (N, 2, std_to_wx(e.kind->name()));
 412                 _list->SetItem (N, 3, e.encrypted ? S_("Question|Y") : S_("Question|N"));
 413         }
 414
 415         void setup_sensitivity ()
 416         {
 417                 bool const have_list = static_cast<bool>(_playlist);
 418                 int const num_selected = _list->GetSelectedItemCount ();
 419                 long int selected = _list->GetNextItem (-1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED);
 420                 _name->Enable (have_list);
 421                 _list->Enable (have_list);
 422                 _up->Enable (have_list && selected > 0);
 423                 _down->Enable (have_list && selected != -1 && selected < (_list->GetItemCount() - 1));
 424                 _add->Enable (have_list);
 425                 _remove->Enable (have_list && num_selected > 0);
 426         }
 427
 428         void add_clicked ()
 429         {
 430                 int const r = _content_dialog->ShowModal ();
 431                 if (r == wxID_OK) {
 432                         auto content = _content_dialog->selected ();
 433                         if (content) {
 434                                 SPLEntry e (content);
 435                                 add (e);
 436                                 DCPOMATIC_ASSERT (_playlist);
 437                                 _playlist->add (e);
 438                         }
 439                 }
 440         }
 441
 442         void up_clicked ()
 443         {
 444                 long int s = _list->GetNextItem (-1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED);
 445                 if (s < 1) {
 446                         return;
 447                 }
 448
 449                 DCPOMATIC_ASSERT (_playlist);
 450
 451                 _playlist->swap(s, s - 1);
 452
 453                 set_item (s - 1, (*_playlist)[s-1]);
 454                 set_item (s, (*_playlist)[s]);
 455         }
 456
 457         void down_clicked ()
 458         {
 459                 long int s = _list->GetNextItem (-1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED);
 460                 if (s > (_list->GetItemCount() - 1)) {
 461                         return;
 462                 }
 463
 464                 DCPOMATIC_ASSERT (_playlist);
 465
 466                 _playlist->swap(s, s + 1);
 467
 468                 set_item (s + 1, (*_playlist)[s+1]);
 469                 set_item (s, (*_playlist)[s]);
 470         }
 471
 472         void remove_clicked ()
 473         {
 474                 long int s = _list->GetNextItem (-1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED);
 475                 if (s == -1) {
 476                         return;
 477                 }
 478
 479                 DCPOMATIC_ASSERT (_playlist);
 480                 _playlist->remove (s);
 481                 _list->DeleteItem (s);
 482         }
 483
 484         ContentDialog* _content_dialog;
 485         wxBoxSizer* _sizer;
 486         wxTextCtrl* _name;
 487         wxListCtrl* _list;
 488         wxButton* _up;
 489         wxButton* _down;
 490         wxButton* _add;
 491         wxButton* _remove;
 492         shared_ptr<SignalSPL> _playlist;
 493 };
 494
 495
 496 class DOMFrame : public wxFrame
 497 {
 498 public:
 499         explicit DOMFrame (wxString const & title)
 500                 : wxFrame (nullptr, wxID_ANY, title)
 501                 , _content_dialog (new ContentDialog(this))
 502                 , _config_dialog (nullptr)
 503         {
 504                 auto bar = new wxMenuBar;
 505                 setup_menu (bar);
 506                 SetMenuBar (bar);
 507
 508                 /* Use a panel as the only child of the Frame so that we avoid
 509                    the dark-grey background on Windows.
 510                 */
 511                 auto overall_panel = new wxPanel (this, wxID_ANY);
 512                 auto sizer = new wxBoxSizer (wxVERTICAL);
 513
 514                 _playlist_list = new PlaylistList (overall_panel, _content_dialog);
 515                 _playlist_content = new PlaylistContent (overall_panel, _content_dialog);
 516
 517                 sizer->Add (_playlist_list->sizer());
 518                 sizer->Add (_playlist_content->sizer());
 519
 520                 overall_panel->SetSizer (sizer);
 521
 522                 _playlist_list->Edit.connect (bind(&DOMFrame::change_playlist, this, _1));
 523
 524                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_exit, this), wxID_EXIT);
 525                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::help_about, this), wxID_ABOUT);
 526                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::edit_preferences, this), wxID_PREFERENCES);
 527
 528                 _config_changed_connection = Config::instance()->Changed.connect(boost::bind(&DOMFrame::config_changed, this));
 529         }
 530
 531 private:
 532
 533         void file_exit ()
 534         {
 535                 /* false here allows the close handler to veto the close request */
 536                 Close (false);
 537         }
 538
 539         void help_about ()
 540         {
 541                 auto d = new AboutDialog (this);
 542                 d->ShowModal ();
 543                 d->Destroy ();
 544         }
 545
 546         void edit_preferences ()
 547         {
 548                 if (!_config_dialog) {
 549                         _config_dialog = create_playlist_editor_config_dialog ();
 550                 }
 551                 _config_dialog->Show (this);
 552         }
 553
 554         void change_playlist (shared_ptr<SignalSPL> playlist)
 555         {
 556                 auto old = _playlist_content->playlist ();
 557                 if (old) {
 558                         save_playlist (old);
 559                 }
 560                 _playlist_content->set (playlist);
 561         }
 562
 563         void setup_menu (wxMenuBar* m)
 564         {
 565                 auto file = new wxMenu;
 566 #ifdef __WXOSX__
 567                 file->Append (wxID_EXIT, _("&Exit"));
 568 #else
 569                 file->Append (wxID_EXIT, _("&Quit"));
 570 #endif
 571
 572 #ifndef __WXOSX__
 573                 auto edit = new wxMenu;
 574                 edit->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
 575 #endif
 576
 577                 auto help = new wxMenu;
 578 #ifdef __WXOSX__
 579                 help->Append (wxID_ABOUT, _("About DCP-o-matic"));
 580 #else
 581                 help->Append (wxID_ABOUT, _("About"));
 582 #endif
 583
 584                 m->Append (file, _("&File"));
 585 #ifndef __WXOSX__
 586                 m->Append (edit, _("&Edit"));
 587 #endif
 588                 m->Append (help, _("&Help"));
 589         }
 590
 591
 592         void config_changed ()
 593         {
 594                 try {
 595                         Config::instance()->write_config();
 596                 } catch (exception& e) {
 597                         error_dialog (
 598                                 this,
 599                                 wxString::Format (
 600                                         _("Could not write to config file at %s.  Your changes have not been saved."),
 601                                         std_to_wx (Config::instance()->cinemas_file().string()).data()
 602                                         )
 603                                 );
 604                 }
 605         }
 606
 607         ContentDialog* _content_dialog;
 608         PlaylistList* _playlist_list;
 609         PlaylistContent* _playlist_content;
 610         wxPreferencesEditor* _config_dialog;
 611         boost::signals2::scoped_connection _config_changed_connection;
 612 };
 613
 614
 615 /** @class App
 616  *  @brief The magic App class for wxWidgets.
 617  */
 618 class App : public wxApp
 619 {
 620 public:
 621         App ()
 622                 : wxApp ()
 623                 , _frame (nullptr)
 624         {}
 625
 626 private:
 627
 628         bool OnInit () override
 629         try
 630         {
 631                 wxInitAllImageHandlers ();
 632                 SetAppName (_("DCP-o-matic Playlist Editor"));
 633
 634                 if (!wxApp::OnInit()) {
 635                         return false;
 636                 }
 637
 638 #ifdef DCPOMATIC_LINUX
 639                 unsetenv ("UBUNTU_MENUPROXY");
 640 #endif
 641
 642 #ifdef DCPOMATIC_OSX
 643                 make_foreground_application ();
 644 #endif
 645
 646                 dcpomatic_setup_path_encoding ();
 647
 648                 /* Enable i18n; this will create a Config object
 649                    to look for a force-configured language.  This Config
 650                    object will be wrong, however, because dcpomatic_setup
 651                    hasn't yet been called and there aren't any filters etc.
 652                    set up yet.
 653                 */
 654                 dcpomatic_setup_i18n ();
 655
 656                 /* Set things up, including filters etc.
 657                    which will now be internationalised correctly.
 658                 */
 659                 dcpomatic_setup ();
 660
 661                 /* Force the configuration to be re-loaded correctly next
 662                    time it is needed.
 663                 */
 664                 Config::drop ();
 665
 666                 _frame = new DOMFrame (_("DCP-o-matic Playlist Editor"));
 667                 SetTopWindow (_frame);
 668                 _frame->Maximize ();
 669                 _frame->Show ();
 670
 671                 signal_manager = new wxSignalManager (this);
 672                 Bind (wxEVT_IDLE, boost::bind (&App::idle, this));
 673
 674                 return true;
 675         }
 676         catch (exception& e)
 677         {
 678                 error_dialog (0, _("DCP-o-matic could not start"), std_to_wx(e.what()));
 679                 return true;
 680         }
 681
 682         /* An unhandled exception has occurred inside the main event loop */
 683         bool OnExceptionInMainLoop () override
 684         {
 685                 try {
 686                         throw;
 687                 } catch (FileError& e) {
 688                         error_dialog (
 689                                 0,
 690                                 wxString::Format (
 691                                         _("An exception occurred: %s (%s)\n\n") + REPORT_PROBLEM,
 692                                         std_to_wx (e.what()),
 693                                         std_to_wx (e.file().string().c_str ())
 694                                         )
 695                                 );
 696                 } catch (exception& e) {
 697                         error_dialog (
 698                                 0,
 699                                 wxString::Format (
 700                                         _("An exception occurred: %s.\n\n") + " " + REPORT_PROBLEM,
 701                                         std_to_wx (e.what ())
 702                                         )
 703                                 );
 704                 } catch (...) {
 705                         error_dialog (0, _("An unknown exception occurred.") + "  " + REPORT_PROBLEM);
 706                 }
 707
 708                 /* This will terminate the program */
 709                 return false;
 710         }
 711
 712         void OnUnhandledException () override
 713         {
 714                 error_dialog (0, _("An unknown exception occurred.") + "  " + REPORT_PROBLEM);
 715         }
 716
 717         void idle ()
 718         {
 719                 signal_manager->ui_idle ();
 720         }
 721
 722         DOMFrame* _frame;
 723 };
 724
 725 IMPLEMENT_APP (App)