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                 _save_name = new Button(parent, _("Save"));
 316                 title->Add(_save_name);
 317                 _sizer->Add (title, 0, wxTOP | wxLEFT, DCPOMATIC_SIZER_GAP * 2);
 318
 319                 auto list = new wxBoxSizer (wxHORIZONTAL);
 320
 321                 _list = new wxListCtrl (
 322                         parent, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxLC_REPORT | wxLC_SINGLE_SEL
 323                         );
 324
 325                 _list->AppendColumn (_("Name"), wxLIST_FORMAT_LEFT, 400);
 326                 _list->AppendColumn (_("CPL"), wxLIST_FORMAT_LEFT, 350);
 327                 _list->AppendColumn (_("Type"), wxLIST_FORMAT_LEFT, 100);
 328                 _list->AppendColumn (_("Encrypted"), wxLIST_FORMAT_CENTRE, 90);
 329
 330                 auto images = new wxImageList (16, 16);
 331                 wxIcon tick_icon;
 332                 wxIcon no_tick_icon;
 333                 tick_icon.LoadFile (bitmap_path("tick.png"), wxBITMAP_TYPE_PNG);
 334                 no_tick_icon.LoadFile (bitmap_path("no_tick.png"), wxBITMAP_TYPE_PNG);
 335                 images->Add (tick_icon);
 336                 images->Add (no_tick_icon);
 337
 338                 _list->SetImageList (images, wxIMAGE_LIST_SMALL);
 339
 340                 list->Add (_list, 1, wxEXPAND | wxALL, DCPOMATIC_SIZER_GAP);
 341
 342                 auto button_sizer = new wxBoxSizer (wxVERTICAL);
 343                 _up = new Button (parent, _("Up"));
 344                 _down = new Button (parent, _("Down"));
 345                 _add = new Button (parent, _("Add"));
 346                 _remove = new Button (parent, _("Remove"));
 347                 button_sizer->Add (_up, 0, wxEXPAND | wxBOTTOM, DCPOMATIC_BUTTON_STACK_GAP);
 348                 button_sizer->Add (_down, 0, wxEXPAND | wxBOTTOM, DCPOMATIC_BUTTON_STACK_GAP);
 349                 button_sizer->Add (_add, 0, wxEXPAND | wxBOTTOM, DCPOMATIC_BUTTON_STACK_GAP);
 350                 button_sizer->Add (_remove, 0, wxEXPAND | wxBOTTOM, DCPOMATIC_BUTTON_STACK_GAP);
 351
 352                 list->Add (button_sizer, 0, wxALL, DCPOMATIC_SIZER_GAP);
 353
 354                 _sizer->Add (list);
 355
 356                 _list->Bind (wxEVT_COMMAND_LIST_ITEM_SELECTED, bind(&PlaylistContent::setup_sensitivity, this));
 357                 _list->Bind (wxEVT_COMMAND_LIST_ITEM_DESELECTED, bind(&PlaylistContent::setup_sensitivity, this));
 358                 _name->Bind (wxEVT_TEXT, bind(&PlaylistContent::name_changed, this));
 359                 _save_name->bind(&PlaylistContent::save_name_clicked, this);
 360                 _up->Bind (wxEVT_BUTTON, bind(&PlaylistContent::up_clicked, this));
 361                 _down->Bind (wxEVT_BUTTON, bind(&PlaylistContent::down_clicked, this));
 362                 _add->Bind (wxEVT_BUTTON, bind(&PlaylistContent::add_clicked, this));
 363                 _remove->Bind (wxEVT_BUTTON, bind(&PlaylistContent::remove_clicked, this));
 364
 365                 setup_sensitivity();
 366         }
 367
 368         wxSizer* sizer ()
 369         {
 370                 return _sizer;
 371         }
 372
 373         void set (shared_ptr<SignalSPL> playlist)
 374         {
 375                 _playlist = playlist;
 376                 _list->DeleteAllItems ();
 377                 if (_playlist) {
 378                         for (auto i: _playlist->get()) {
 379                                 add (i);
 380                         }
 381                         _name->SetValue (std_to_wx(_playlist->name()));
 382                 } else {
 383                         _name->SetValue (wxT(""));
 384                 }
 385                 setup_sensitivity ();
 386         }
 387
 388         shared_ptr<SignalSPL> playlist () const
 389         {
 390                 return _playlist;
 391         }
 392
 393
 394 private:
 395         void save_name_clicked()
 396         {
 397                 if (_playlist) {
 398                         _playlist->set_name(wx_to_std(_name->GetValue()));
 399                         save_playlist(_playlist);
 400                 }
 401                 setup_sensitivity();
 402         }
 403
 404         void name_changed ()
 405         {
 406                 setup_sensitivity();
 407         }
 408
 409         void add (SPLEntry e)
 410         {
 411                 wxListItem item;
 412                 item.SetId (_list->GetItemCount());
 413                 long const N = _list->InsertItem (item);
 414                 set_item (N, e);
 415         }
 416
 417         void set_item (long N, SPLEntry e)
 418         {
 419                 _list->SetItem (N, 0, std_to_wx(e.name));
 420                 _list->SetItem (N, 1, std_to_wx(e.id));
 421                 _list->SetItem (N, 2, std_to_wx(e.kind->name()));
 422                 _list->SetItem (N, 3, e.encrypted ? S_("Question|Y") : S_("Question|N"));
 423         }
 424
 425         void setup_sensitivity ()
 426         {
 427                 bool const have_list = static_cast<bool>(_playlist);
 428                 int const num_selected = _list->GetSelectedItemCount ();
 429                 long int selected = _list->GetNextItem (-1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED);
 430                 _name->Enable (have_list);
 431                 _save_name->Enable(_playlist && _playlist->name() != wx_to_std(_name->GetValue()));
 432                 _list->Enable (have_list);
 433                 _up->Enable (have_list && selected > 0);
 434                 _down->Enable (have_list && selected != -1 && selected < (_list->GetItemCount() - 1));
 435                 _add->Enable (have_list);
 436                 _remove->Enable (have_list && num_selected > 0);
 437         }
 438
 439         void add_clicked ()
 440         {
 441                 int const r = _content_dialog->ShowModal ();
 442                 if (r == wxID_OK) {
 443                         auto content = _content_dialog->selected ();
 444                         if (content) {
 445                                 SPLEntry e (content);
 446                                 add (e);
 447                                 DCPOMATIC_ASSERT (_playlist);
 448                                 _playlist->add (e);
 449                         }
 450                 }
 451         }
 452
 453         void up_clicked ()
 454         {
 455                 long int s = _list->GetNextItem (-1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED);
 456                 if (s < 1) {
 457                         return;
 458                 }
 459
 460                 DCPOMATIC_ASSERT (_playlist);
 461
 462                 _playlist->swap(s, s - 1);
 463
 464                 set_item (s - 1, (*_playlist)[s-1]);
 465                 set_item (s, (*_playlist)[s]);
 466         }
 467
 468         void down_clicked ()
 469         {
 470                 long int s = _list->GetNextItem (-1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED);
 471                 if (s > (_list->GetItemCount() - 1)) {
 472                         return;
 473                 }
 474
 475                 DCPOMATIC_ASSERT (_playlist);
 476
 477                 _playlist->swap(s, s + 1);
 478
 479                 set_item (s + 1, (*_playlist)[s+1]);
 480                 set_item (s, (*_playlist)[s]);
 481         }
 482
 483         void remove_clicked ()
 484         {
 485                 long int s = _list->GetNextItem (-1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED);
 486                 if (s == -1) {
 487                         return;
 488                 }
 489
 490                 DCPOMATIC_ASSERT (_playlist);
 491                 _playlist->remove (s);
 492                 _list->DeleteItem (s);
 493         }
 494
 495         ContentDialog* _content_dialog;
 496         wxBoxSizer* _sizer;
 497         wxTextCtrl* _name;
 498         Button* _save_name;
 499         wxListCtrl* _list;
 500         wxButton* _up;
 501         wxButton* _down;
 502         wxButton* _add;
 503         wxButton* _remove;
 504         shared_ptr<SignalSPL> _playlist;
 505 };
 506
 507
 508 class DOMFrame : public wxFrame
 509 {
 510 public:
 511         explicit DOMFrame (wxString const & title)
 512                 : wxFrame (nullptr, wxID_ANY, title)
 513                 , _content_dialog (new ContentDialog(this))
 514                 , _config_dialog (nullptr)
 515         {
 516                 auto bar = new wxMenuBar;
 517                 setup_menu (bar);
 518                 SetMenuBar (bar);
 519
 520                 /* Use a panel as the only child of the Frame so that we avoid
 521                    the dark-grey background on Windows.
 522                 */
 523                 auto overall_panel = new wxPanel (this, wxID_ANY);
 524                 auto sizer = new wxBoxSizer (wxVERTICAL);
 525
 526                 _playlist_list = new PlaylistList (overall_panel, _content_dialog);
 527                 _playlist_content = new PlaylistContent (overall_panel, _content_dialog);
 528
 529                 sizer->Add (_playlist_list->sizer());
 530                 sizer->Add (_playlist_content->sizer());
 531
 532                 overall_panel->SetSizer (sizer);
 533
 534                 _playlist_list->Edit.connect (bind(&DOMFrame::change_playlist, this, _1));
 535
 536                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_exit, this), wxID_EXIT);
 537                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::help_about, this), wxID_ABOUT);
 538                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::edit_preferences, this), wxID_PREFERENCES);
 539
 540                 _config_changed_connection = Config::instance()->Changed.connect(boost::bind(&DOMFrame::config_changed, this));
 541         }
 542
 543 private:
 544
 545         void file_exit ()
 546         {
 547                 /* false here allows the close handler to veto the close request */
 548                 Close (false);
 549         }
 550
 551         void help_about ()
 552         {
 553                 auto d = new AboutDialog (this);
 554                 d->ShowModal ();
 555                 d->Destroy ();
 556         }
 557
 558         void edit_preferences ()
 559         {
 560                 if (!_config_dialog) {
 561                         _config_dialog = create_playlist_editor_config_dialog ();
 562                 }
 563                 _config_dialog->Show (this);
 564         }
 565
 566         void change_playlist (shared_ptr<SignalSPL> playlist)
 567         {
 568                 auto old = _playlist_content->playlist ();
 569                 if (old) {
 570                         save_playlist (old);
 571                 }
 572                 _playlist_content->set (playlist);
 573         }
 574
 575         void setup_menu (wxMenuBar* m)
 576         {
 577                 auto file = new wxMenu;
 578 #ifdef __WXOSX__
 579                 file->Append (wxID_EXIT, _("&Exit"));
 580 #else
 581                 file->Append (wxID_EXIT, _("&Quit"));
 582 #endif
 583
 584 #ifndef __WXOSX__
 585                 auto edit = new wxMenu;
 586                 edit->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
 587 #endif
 588
 589                 auto help = new wxMenu;
 590 #ifdef __WXOSX__
 591                 help->Append (wxID_ABOUT, _("About DCP-o-matic"));
 592 #else
 593                 help->Append (wxID_ABOUT, _("About"));
 594 #endif
 595
 596                 m->Append (file, _("&File"));
 597 #ifndef __WXOSX__
 598                 m->Append (edit, _("&Edit"));
 599 #endif
 600                 m->Append (help, _("&Help"));
 601         }
 602
 603
 604         void config_changed ()
 605         {
 606                 try {
 607                         Config::instance()->write_config();
 608                 } catch (exception& e) {
 609                         error_dialog (
 610                                 this,
 611                                 wxString::Format (
 612                                         _("Could not write to config file at %s.  Your changes have not been saved."),
 613                                         std_to_wx (Config::instance()->cinemas_file().string()).data()
 614                                         )
 615                                 );
 616                 }
 617         }
 618
 619         ContentDialog* _content_dialog;
 620         PlaylistList* _playlist_list;
 621         PlaylistContent* _playlist_content;
 622         wxPreferencesEditor* _config_dialog;
 623         boost::signals2::scoped_connection _config_changed_connection;
 624 };
 625
 626
 627 /** @class App
 628  *  @brief The magic App class for wxWidgets.
 629  */
 630 class App : public wxApp
 631 {
 632 public:
 633         App ()
 634                 : wxApp ()
 635                 , _frame (nullptr)
 636         {}
 637
 638 private:
 639
 640         bool OnInit () override
 641         try
 642         {
 643                 wxInitAllImageHandlers ();
 644                 SetAppName (_("DCP-o-matic Playlist Editor"));
 645
 646                 if (!wxApp::OnInit()) {
 647                         return false;
 648                 }
 649
 650 #ifdef DCPOMATIC_LINUX
 651                 unsetenv ("UBUNTU_MENUPROXY");
 652 #endif
 653
 654 #ifdef DCPOMATIC_OSX
 655                 make_foreground_application ();
 656 #endif
 657
 658                 dcpomatic_setup_path_encoding ();
 659
 660                 /* Enable i18n; this will create a Config object
 661                    to look for a force-configured language.  This Config
 662                    object will be wrong, however, because dcpomatic_setup
 663                    hasn't yet been called and there aren't any filters etc.
 664                    set up yet.
 665                 */
 666                 dcpomatic_setup_i18n ();
 667
 668                 /* Set things up, including filters etc.
 669                    which will now be internationalised correctly.
 670                 */
 671                 dcpomatic_setup ();
 672
 673                 /* Force the configuration to be re-loaded correctly next
 674                    time it is needed.
 675                 */
 676                 Config::drop ();
 677
 678                 _frame = new DOMFrame (_("DCP-o-matic Playlist Editor"));
 679                 SetTopWindow (_frame);
 680                 _frame->Maximize ();
 681                 _frame->Show ();
 682
 683                 signal_manager = new wxSignalManager (this);
 684                 Bind (wxEVT_IDLE, boost::bind (&App::idle, this));
 685
 686                 return true;
 687         }
 688         catch (exception& e)
 689         {
 690                 error_dialog (0, _("DCP-o-matic could not start"), std_to_wx(e.what()));
 691                 return true;
 692         }
 693
 694         /* An unhandled exception has occurred inside the main event loop */
 695         bool OnExceptionInMainLoop () override
 696         {
 697                 try {
 698                         throw;
 699                 } catch (FileError& e) {
 700                         error_dialog (
 701                                 0,
 702                                 wxString::Format (
 703                                         _("An exception occurred: %s (%s)\n\n") + REPORT_PROBLEM,
 704                                         std_to_wx (e.what()),
 705                                         std_to_wx (e.file().string().c_str ())
 706                                         )
 707                                 );
 708                 } catch (exception& e) {
 709                         error_dialog (
 710                                 0,
 711                                 wxString::Format (
 712                                         _("An exception occurred: %s.\n\n") + " " + REPORT_PROBLEM,
 713                                         std_to_wx (e.what ())
 714                                         )
 715                                 );
 716                 } catch (...) {
 717                         error_dialog (0, _("An unknown exception occurred.") + "  " + REPORT_PROBLEM);
 718                 }
 719
 720                 /* This will terminate the program */
 721                 return false;
 722         }
 723
 724         void OnUnhandledException () override
 725         {
 726                 error_dialog (0, _("An unknown exception occurred.") + "  " + REPORT_PROBLEM);
 727         }
 728
 729         void idle ()
 730         {
 731                 signal_manager->ui_idle ();
 732         }
 733
 734         DOMFrame* _frame;
 735 };
 736
 737 IMPLEMENT_APP (App)