src/tools/dcpomatic_playlist.cc

   1 /*
   2     Copyright (C) 2018-2020 Carl Hetherington <cth@carlh.net>
   3
   4     This file is part of DCP-o-matic.
   5
   6     DCP-o-matic is free software; you can redistribute it and/or modify
   7     it under the terms of the GNU General Public License as published by
   8     the Free Software Foundation; either version 2 of the License, or
   9     (at your option) any later version.
  10
  11     DCP-o-matic is distributed in the hope that it will be useful,
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14     GNU General Public License for more details.
  15
  16     You should have received a copy of the GNU General Public License
  17     along with DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.
  18
  19 */
  20
  21 #include "../wx/wx_util.h"
  22 #include "../wx/wx_signal_manager.h"
  23 #include "../wx/content_view.h"
  24 #include "../wx/dcpomatic_button.h"
  25 #include "../wx/about_dialog.h"
  26 #include "../wx/playlist_editor_config_dialog.h"
  27 #include "../lib/util.h"
  28 #include "../lib/config.h"
  29 #include "../lib/cross.h"
  30 #include "../lib/film.h"
  31 #include "../lib/dcp_content.h"
  32 #include "../lib/spl_entry.h"
  33 #include "../lib/spl.h"
  34 #include <wx/wx.h>
  35 #include <wx/listctrl.h>
  36 #include <wx/imaglist.h>
  37 #include <wx/spinctrl.h>
  38 #include <wx/preferences.h>
  39 #include <boost/foreach.hpp>
  40
  41 using std::exception;
  42 using std::cout;
  43 using std::string;
  44 using std::map;
  45 using std::make_pair;
  46 using std::vector;
  47 using boost::optional;
  48 using boost::shared_ptr;
  49 using boost::weak_ptr;
  50 using boost::bind;
  51 using boost::dynamic_pointer_cast;
  52 #if BOOST_VERSION >= 106100
  53 using namespace boost::placeholders;
  54 #endif
  55
  56 class ContentDialog : public wxDialog, public ContentStore
  57 {
  58 public:
  59         ContentDialog (wxWindow* parent)
  60                 : wxDialog (parent, wxID_ANY, _("Add content"), wxDefaultPosition, wxSize(800, 640))
  61                 , _content_view (new ContentView(this))
  62         {
  63                 _content_view->update ();
  64
  65                 wxBoxSizer* overall_sizer = new wxBoxSizer (wxVERTICAL);
  66                 SetSizer (overall_sizer);
  67
  68                 overall_sizer->Add (_content_view, 1, wxEXPAND | wxALL, DCPOMATIC_DIALOG_BORDER);
  69
  70                 wxSizer* buttons = CreateSeparatedButtonSizer (wxOK | wxCANCEL);
  71                 if (buttons) {
  72                         overall_sizer->Add (buttons, wxSizerFlags().Expand().DoubleBorder());
  73                 }
  74
  75                 overall_sizer->Layout ();
  76         }
  77
  78         shared_ptr<Content> selected () const
  79         {
  80                 return _content_view->selected ();
  81         }
  82
  83         shared_ptr<Content> get (string digest) const
  84         {
  85                 return _content_view->get (digest);
  86         }
  87
  88 private:
  89         ContentView* _content_view;
  90 };
  91
  92
  93
  94 class PlaylistList
  95 {
  96 public:
  97         PlaylistList (wxPanel* parent, ContentStore* content_store)
  98                 : _sizer (new wxBoxSizer(wxVERTICAL))
  99                 , _content_store (content_store)
 100         {
 101                 wxStaticText* label = new wxStaticText (parent, wxID_ANY, wxEmptyString);
 102                 label->SetLabelMarkup (_("<b>Playlists</b>"));
 103                 _sizer->Add (label, 0, wxTOP | wxLEFT, DCPOMATIC_SIZER_GAP * 2);
 104
 105                 _list = new wxListCtrl (
 106                         parent, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxLC_REPORT | wxLC_SINGLE_SEL
 107                         );
 108
 109                 _list->AppendColumn (_("Name"), wxLIST_FORMAT_LEFT, 840);
 110                 _list->AppendColumn (_("Length"), wxLIST_FORMAT_LEFT, 100);
 111
 112                 wxBoxSizer* button_sizer = new wxBoxSizer (wxVERTICAL);
 113                 _new = new Button (parent, _("New"));
 114                 button_sizer->Add (_new, 0, wxEXPAND | wxBOTTOM, DCPOMATIC_BUTTON_STACK_GAP);
 115                 _delete = new Button (parent, _("Delete"));
 116                 button_sizer->Add (_delete, 0, wxEXPAND | wxBOTTOM, DCPOMATIC_BUTTON_STACK_GAP);
 117
 118                 wxSizer* list = new wxBoxSizer (wxHORIZONTAL);
 119                 list->Add (_list, 1, wxEXPAND | wxALL, DCPOMATIC_SIZER_GAP);
 120                 list->Add (button_sizer, 0, wxALL, DCPOMATIC_SIZER_GAP);
 121
 122                 _sizer->Add (list);
 123
 124                 load_playlists ();
 125
 126                 _list->Bind (wxEVT_COMMAND_LIST_ITEM_SELECTED, bind(&PlaylistList::selection_changed, this));
 127                 _list->Bind (wxEVT_COMMAND_LIST_ITEM_DESELECTED, bind(&PlaylistList::selection_changed, this));
 128                 _new->Bind (wxEVT_BUTTON, bind(&PlaylistList::new_playlist, this));
 129                 _delete->Bind (wxEVT_BUTTON, bind(&PlaylistList::delete_playlist, this));
 130         }
 131
 132         wxSizer* sizer ()
 133         {
 134                 return _sizer;
 135         }
 136
 137         shared_ptr<SignalSPL> first_playlist () const
 138         {
 139                 if (_playlists.empty()) {
 140                         return shared_ptr<SignalSPL>();
 141                 }
 142
 143                 return _playlists.front ();
 144         }
 145
 146         boost::signals2::signal<void (shared_ptr<SignalSPL>)> Edit;
 147
 148 private:
 149         void add_playlist_to_view (shared_ptr<const SignalSPL> playlist)
 150         {
 151                 wxListItem item;
 152                 item.SetId (_list->GetItemCount());
 153                 long const N = _list->InsertItem (item);
 154                 _list->SetItem (N, 0, std_to_wx(playlist->name()));
 155         }
 156
 157         void add_playlist_to_model (shared_ptr<SignalSPL> playlist)
 158         {
 159                 _playlists.push_back (playlist);
 160                 playlist->NameChanged.connect (bind(&PlaylistList::name_changed, this, weak_ptr<SignalSPL>(playlist)));
 161         }
 162
 163         void name_changed (weak_ptr<SignalSPL> wp)
 164         {
 165                 shared_ptr<SignalSPL> playlist = wp.lock ();
 166                 if (!playlist) {
 167                         return;
 168                 }
 169
 170                 int N = 0;
 171                 BOOST_FOREACH (shared_ptr<SignalSPL> i, _playlists) {
 172                         if (i == playlist) {
 173                                 _list->SetItem (N, 0, std_to_wx(i->name()));
 174                         }
 175                         ++N;
 176                 }
 177         }
 178
 179         void load_playlists ()
 180         {
 181                 optional<boost::filesystem::path> path = Config::instance()->player_playlist_directory();
 182                 if (!path) {
 183                         return;
 184                 }
 185
 186                 _list->DeleteAllItems ();
 187                 _playlists.clear ();
 188                 for (boost::filesystem::directory_iterator i(*path); i != boost::filesystem::directory_iterator(); ++i) {
 189                         shared_ptr<SignalSPL> spl(new SignalSPL);
 190                         try {
 191                                 spl->read (*i, _content_store);
 192                                 add_playlist_to_model (spl);
 193                         } catch (...) {}
 194                 }
 195
 196                 BOOST_FOREACH (shared_ptr<SignalSPL> i, _playlists) {
 197                         add_playlist_to_view (i);
 198                 }
 199         }
 200
 201         void new_playlist ()
 202         {
 203                 shared_ptr<SignalSPL> spl (new SignalSPL(wx_to_std(_("New Playlist"))));
 204                 add_playlist_to_model (spl);
 205                 add_playlist_to_view (spl);
 206                 _list->SetItemState (_list->GetItemCount() - 1, wxLIST_STATE_SELECTED, wxLIST_STATE_SELECTED);
 207         }
 208
 209         void delete_playlist ()
 210         {
 211                 long int selected = _list->GetNextItem (-1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED);
 212                 if (selected < 0 || selected >= int(_playlists.size())) {
 213                         return;
 214                 }
 215
 216                 optional<boost::filesystem::path> dir = Config::instance()->player_playlist_directory();
 217                 if (!dir) {
 218                         return;
 219                 }
 220
 221                 boost::filesystem::remove (*dir / (_playlists[selected]->id() + ".xml"));
 222                 _list->DeleteItem (selected);
 223                 _playlists.erase (_playlists.begin() + selected);
 224
 225                 Edit (shared_ptr<SignalSPL>());
 226         }
 227
 228         void selection_changed ()
 229         {
 230                 long int selected = _list->GetNextItem (-1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED);
 231                 if (selected < 0 || selected >= int(_playlists.size())) {
 232                         Edit (shared_ptr<SignalSPL>());
 233                 } else {
 234                         Edit (_playlists[selected]);
 235                 }
 236         }
 237
 238         wxBoxSizer* _sizer;
 239         wxListCtrl* _list;
 240         wxButton* _new;
 241         wxButton* _delete;
 242         vector<shared_ptr<SignalSPL> > _playlists;
 243         ContentStore* _content_store;
 244 };
 245
 246
 247 class PlaylistContent
 248 {
 249 public:
 250         PlaylistContent (wxPanel* parent, ContentDialog* content_dialog)
 251                 : _content_dialog (content_dialog)
 252                 , _sizer (new wxBoxSizer(wxVERTICAL))
 253         {
 254                 wxBoxSizer* title = new wxBoxSizer (wxHORIZONTAL);
 255                 wxStaticText* label = new wxStaticText (parent, wxID_ANY, wxEmptyString);
 256                 label->SetLabelMarkup (_("<b>Playlist:</b>"));
 257                 title->Add (label, 0, wxALIGN_CENTER_VERTICAL | wxRIGHT, DCPOMATIC_SIZER_GAP);
 258                 _name = new wxTextCtrl (parent, wxID_ANY, wxEmptyString, wxDefaultPosition, wxSize(400, -1));
 259                 title->Add (_name, 0, wxRIGHT, DCPOMATIC_SIZER_GAP);
 260                 _sizer->Add (title, 0, wxTOP | wxLEFT, DCPOMATIC_SIZER_GAP * 2);
 261
 262                 wxBoxSizer* list = new wxBoxSizer (wxHORIZONTAL);
 263
 264                 _list = new wxListCtrl (
 265                         parent, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxLC_REPORT | wxLC_SINGLE_SEL
 266                         );
 267
 268                 _list->AppendColumn (_("Name"), wxLIST_FORMAT_LEFT, 400);
 269                 _list->AppendColumn (_("CPL"), wxLIST_FORMAT_LEFT, 350);
 270                 _list->AppendColumn (_("Type"), wxLIST_FORMAT_LEFT, 100);
 271                 _list->AppendColumn (_("Encrypted"), wxLIST_FORMAT_CENTRE, 90);
 272
 273                 wxImageList* images = new wxImageList (16, 16);
 274                 wxIcon tick_icon;
 275                 wxIcon no_tick_icon;
 276                 tick_icon.LoadFile (bitmap_path("tick"), wxBITMAP_TYPE_PNG);
 277                 no_tick_icon.LoadFile (bitmap_path("no_tick"), wxBITMAP_TYPE_PNG);
 278                 images->Add (tick_icon);
 279                 images->Add (no_tick_icon);
 280
 281                 _list->SetImageList (images, wxIMAGE_LIST_SMALL);
 282
 283                 list->Add (_list, 1, wxEXPAND | wxALL, DCPOMATIC_SIZER_GAP);
 284
 285                 wxBoxSizer* button_sizer = new wxBoxSizer (wxVERTICAL);
 286                 _up = new Button (parent, _("Up"));
 287                 _down = new Button (parent, _("Down"));
 288                 _add = new Button (parent, _("Add"));
 289                 _remove = new Button (parent, _("Remove"));
 290                 button_sizer->Add (_up, 0, wxEXPAND | wxBOTTOM, DCPOMATIC_BUTTON_STACK_GAP);
 291                 button_sizer->Add (_down, 0, wxEXPAND | wxBOTTOM, DCPOMATIC_BUTTON_STACK_GAP);
 292                 button_sizer->Add (_add, 0, wxEXPAND | wxBOTTOM, DCPOMATIC_BUTTON_STACK_GAP);
 293                 button_sizer->Add (_remove, 0, wxEXPAND | wxBOTTOM, DCPOMATIC_BUTTON_STACK_GAP);
 294
 295                 list->Add (button_sizer, 0, wxALL, DCPOMATIC_SIZER_GAP);
 296
 297                 _sizer->Add (list);
 298
 299                 _list->Bind (wxEVT_COMMAND_LIST_ITEM_SELECTED, bind(&PlaylistContent::setup_sensitivity, this));
 300                 _list->Bind (wxEVT_COMMAND_LIST_ITEM_DESELECTED, bind(&PlaylistContent::setup_sensitivity, this));
 301                 _name->Bind (wxEVT_TEXT, bind(&PlaylistContent::name_changed, this));
 302                 _up->Bind (wxEVT_BUTTON, bind(&PlaylistContent::up_clicked, this));
 303                 _down->Bind (wxEVT_BUTTON, bind(&PlaylistContent::down_clicked, this));
 304                 _add->Bind (wxEVT_BUTTON, bind(&PlaylistContent::add_clicked, this));
 305                 _remove->Bind (wxEVT_BUTTON, bind(&PlaylistContent::remove_clicked, this));
 306         }
 307
 308         wxSizer* sizer ()
 309         {
 310                 return _sizer;
 311         }
 312
 313         void set (shared_ptr<SignalSPL> playlist)
 314         {
 315                 _playlist = playlist;
 316                 _list->DeleteAllItems ();
 317                 if (_playlist) {
 318                         BOOST_FOREACH (SPLEntry i, _playlist->get()) {
 319                                 add (i);
 320                         }
 321                         _name->SetValue (std_to_wx(_playlist->name()));
 322                 } else {
 323                         _name->SetValue (wxT(""));
 324                 }
 325                 setup_sensitivity ();
 326         }
 327
 328         shared_ptr<SignalSPL> playlist () const
 329         {
 330                 return _playlist;
 331         }
 332
 333
 334 private:
 335         void name_changed ()
 336         {
 337                 if (_playlist) {
 338                         _playlist->set_name (wx_to_std(_name->GetValue()));
 339                 }
 340         }
 341
 342         void add (SPLEntry e)
 343         {
 344                 wxListItem item;
 345                 item.SetId (_list->GetItemCount());
 346                 long const N = _list->InsertItem (item);
 347                 set_item (N, e);
 348         }
 349
 350         void set_item (long N, SPLEntry e)
 351         {
 352                 _list->SetItem (N, 0, std_to_wx(e.name));
 353                 _list->SetItem (N, 1, std_to_wx(e.id));
 354                 _list->SetItem (N, 2, std_to_wx(dcp::content_kind_to_string(e.kind)));
 355                 _list->SetItem (N, 3, e.encrypted ? S_("Question|Y") : S_("Question|N"));
 356         }
 357
 358         void setup_sensitivity ()
 359         {
 360                 bool const have_list = static_cast<bool>(_playlist);
 361                 int const num_selected = _list->GetSelectedItemCount ();
 362                 long int selected = _list->GetNextItem (-1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED);
 363                 _name->Enable (have_list);
 364                 _list->Enable (have_list);
 365                 _up->Enable (have_list && selected > 0);
 366                 _down->Enable (have_list && selected != -1 && selected < (_list->GetItemCount() - 1));
 367                 _add->Enable (have_list);
 368                 _remove->Enable (have_list && num_selected > 0);
 369         }
 370
 371         void add_clicked ()
 372         {
 373                 int const r = _content_dialog->ShowModal ();
 374                 if (r == wxID_OK) {
 375                         shared_ptr<Content> content = _content_dialog->selected ();
 376                         if (content) {
 377                                 SPLEntry e (content);
 378                                 add (e);
 379                                 DCPOMATIC_ASSERT (_playlist);
 380                                 _playlist->add (e);
 381                         }
 382                 }
 383         }
 384
 385         void up_clicked ()
 386         {
 387                 long int s = _list->GetNextItem (-1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED);
 388                 if (s < 1) {
 389                         return;
 390                 }
 391
 392                 DCPOMATIC_ASSERT (_playlist);
 393
 394                 SPLEntry tmp = (*_playlist)[s];
 395                 (*_playlist)[s] = (*_playlist)[s-1];
 396                 (*_playlist)[s-1] = tmp;
 397
 398                 set_item (s - 1, (*_playlist)[s-1]);
 399                 set_item (s, (*_playlist)[s]);
 400         }
 401
 402         void down_clicked ()
 403         {
 404                 long int s = _list->GetNextItem (-1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED);
 405                 if (s > (_list->GetItemCount() - 1)) {
 406                         return;
 407                 }
 408
 409                 DCPOMATIC_ASSERT (_playlist);
 410
 411                 SPLEntry tmp = (*_playlist)[s];
 412                 (*_playlist)[s] = (*_playlist)[s+1];
 413                 (*_playlist)[s+1] = tmp;
 414
 415                 set_item (s + 1, (*_playlist)[s+1]);
 416                 set_item (s, (*_playlist)[s]);
 417         }
 418
 419         void remove_clicked ()
 420         {
 421                 long int s = _list->GetNextItem (-1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED);
 422                 if (s == -1) {
 423                         return;
 424                 }
 425
 426                 DCPOMATIC_ASSERT (_playlist);
 427                 _playlist->remove (s);
 428                 _list->DeleteItem (s);
 429         }
 430
 431         ContentDialog* _content_dialog;
 432         wxBoxSizer* _sizer;
 433         wxTextCtrl* _name;
 434         wxListCtrl* _list;
 435         wxButton* _up;
 436         wxButton* _down;
 437         wxButton* _add;
 438         wxButton* _remove;
 439         shared_ptr<SignalSPL> _playlist;
 440 };
 441
 442
 443 class DOMFrame : public wxFrame
 444 {
 445 public:
 446         explicit DOMFrame (wxString const & title)
 447                 : wxFrame (0, -1, title)
 448                 , _content_dialog (new ContentDialog(this))
 449                 , _config_dialog (0)
 450         {
 451                 wxMenuBar* bar = new wxMenuBar;
 452                 setup_menu (bar);
 453                 SetMenuBar (bar);
 454
 455                 /* Use a panel as the only child of the Frame so that we avoid
 456                    the dark-grey background on Windows.
 457                 */
 458                 wxPanel* overall_panel = new wxPanel (this, wxID_ANY);
 459                 wxBoxSizer* sizer = new wxBoxSizer (wxVERTICAL);
 460
 461                 _playlist_list = new PlaylistList (overall_panel, _content_dialog);
 462                 _playlist_content = new PlaylistContent (overall_panel, _content_dialog);
 463
 464                 sizer->Add (_playlist_list->sizer());
 465                 sizer->Add (_playlist_content->sizer());
 466
 467                 overall_panel->SetSizer (sizer);
 468
 469                 _playlist_list->Edit.connect (bind(&DOMFrame::change_playlist, this, _1));
 470
 471                 _playlist_content->set (_playlist_list->first_playlist());
 472
 473                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_exit, this), wxID_EXIT);
 474                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::help_about, this), wxID_ABOUT);
 475                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::edit_preferences, this), wxID_PREFERENCES);
 476         }
 477
 478 private:
 479
 480         void file_exit ()
 481         {
 482                 /* false here allows the close handler to veto the close request */
 483                 Close (false);
 484         }
 485
 486         void help_about ()
 487         {
 488                 AboutDialog* d = new AboutDialog (this);
 489                 d->ShowModal ();
 490                 d->Destroy ();
 491         }
 492
 493         void edit_preferences ()
 494         {
 495                 if (!_config_dialog) {
 496                         _config_dialog = create_playlist_editor_config_dialog ();
 497                 }
 498                 _config_dialog->Show (this);
 499         }
 500
 501         void change_playlist (shared_ptr<SignalSPL> playlist)
 502         {
 503                 shared_ptr<SignalSPL> old = _playlist_content->playlist ();
 504                 if (old) {
 505                         save_playlist (old);
 506                 }
 507                 _playlist_content->set (playlist);
 508         }
 509
 510         void save_playlist (shared_ptr<SignalSPL> playlist)
 511         {
 512                 optional<boost::filesystem::path> dir = Config::instance()->player_playlist_directory();
 513                 if (!dir) {
 514                         error_dialog (this, _("No playlist folder is specified in preferences.  Please set one and then try again."));
 515                         return;
 516                 }
 517                 playlist->write (*dir / (playlist->id() + ".xml"));
 518         }
 519
 520         void setup_menu (wxMenuBar* m)
 521         {
 522                 wxMenu* file = new wxMenu;
 523 #ifdef __WXOSX__
 524                 file->Append (wxID_EXIT, _("&Exit"));
 525 #else
 526                 file->Append (wxID_EXIT, _("&Quit"));
 527 #endif
 528
 529 #ifndef __WXOSX__
 530                 wxMenu* edit = new wxMenu;
 531                 edit->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
 532 #endif
 533
 534                 wxMenu* help = new wxMenu;
 535 #ifdef __WXOSX__
 536                 help->Append (wxID_ABOUT, _("About DCP-o-matic"));
 537 #else
 538                 help->Append (wxID_ABOUT, _("About"));
 539 #endif
 540
 541                 m->Append (file, _("&File"));
 542 #ifndef __WXOSX__
 543                 m->Append (edit, _("&Edit"));
 544 #endif
 545                 m->Append (help, _("&Help"));
 546         }
 547
 548         ContentDialog* _content_dialog;
 549         PlaylistList* _playlist_list;
 550         PlaylistContent* _playlist_content;
 551         wxPreferencesEditor* _config_dialog;
 552 };
 553
 554 /** @class App
 555  *  @brief The magic App class for wxWidgets.
 556  */
 557 class App : public wxApp
 558 {
 559 public:
 560         App ()
 561                 : wxApp ()
 562                 , _frame (0)
 563         {}
 564
 565 private:
 566
 567         bool OnInit ()
 568         try
 569         {
 570                 wxInitAllImageHandlers ();
 571                 SetAppName (_("DCP-o-matic Playlist Editor"));
 572
 573                 if (!wxApp::OnInit()) {
 574                         return false;
 575                 }
 576
 577 #ifdef DCPOMATIC_LINUX
 578                 unsetenv ("UBUNTU_MENUPROXY");
 579 #endif
 580
 581 #ifdef DCPOMATIC_OSX
 582                 make_foreground_application ();
 583 #endif
 584
 585                 dcpomatic_setup_path_encoding ();
 586
 587                 /* Enable i18n; this will create a Config object
 588                    to look for a force-configured language.  This Config
 589                    object will be wrong, however, because dcpomatic_setup
 590                    hasn't yet been called and there aren't any filters etc.
 591                    set up yet.
 592                 */
 593                 dcpomatic_setup_i18n ();
 594
 595                 /* Set things up, including filters etc.
 596                    which will now be internationalised correctly.
 597                 */
 598                 dcpomatic_setup ();
 599
 600                 /* Force the configuration to be re-loaded correctly next
 601                    time it is needed.
 602                 */
 603                 Config::drop ();
 604
 605                 _frame = new DOMFrame (_("DCP-o-matic Playlist Editor"));
 606                 SetTopWindow (_frame);
 607                 _frame->Maximize ();
 608                 _frame->Show ();
 609
 610                 signal_manager = new wxSignalManager (this);
 611                 Bind (wxEVT_IDLE, boost::bind (&App::idle, this));
 612
 613                 return true;
 614         }
 615         catch (exception& e)
 616         {
 617                 error_dialog (0, _("DCP-o-matic could not start"), std_to_wx(e.what()));
 618                 return true;
 619         }
 620
 621         /* An unhandled exception has occurred inside the main event loop */
 622         bool OnExceptionInMainLoop ()
 623         {
 624                 try {
 625                         throw;
 626                 } catch (FileError& e) {
 627                         error_dialog (
 628                                 0,
 629                                 wxString::Format (
 630                                         _("An exception occurred: %s (%s)\n\n") + REPORT_PROBLEM,
 631                                         std_to_wx (e.what()),
 632                                         std_to_wx (e.file().string().c_str ())
 633                                         )
 634                                 );
 635                 } catch (exception& e) {
 636                         error_dialog (
 637                                 0,
 638                                 wxString::Format (
 639                                         _("An exception occurred: %s.\n\n") + " " + REPORT_PROBLEM,
 640                                         std_to_wx (e.what ())
 641                                         )
 642                                 );
 643                 } catch (...) {
 644                         error_dialog (0, _("An unknown exception occurred.") + "  " + REPORT_PROBLEM);
 645                 }
 646
 647                 /* This will terminate the program */
 648                 return false;
 649         }
 650
 651         void OnUnhandledException ()
 652         {
 653                 error_dialog (0, _("An unknown exception occurred.") + "  " + REPORT_PROBLEM);
 654         }
 655
 656         void idle ()
 657         {
 658                 signal_manager->ui_idle ();
 659         }
 660
 661         DOMFrame* _frame;
 662 };
 663
 664 IMPLEMENT_APP (App)