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/player_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 #ifdef __WXOSX__
  40 #include <ApplicationServices/ApplicationServices.h>
  41 #endif
  42 #include <boost/foreach.hpp>
  43
  44 using std::exception;
  45 using std::cout;
  46 using std::string;
  47 using std::map;
  48 using std::make_pair;
  49 using std::vector;
  50 using boost::optional;
  51 using boost::shared_ptr;
  52 using boost::weak_ptr;
  53 using boost::bind;
  54 using boost::dynamic_pointer_cast;
  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<SPL> first_playlist () const
 138         {
 139                 if (_playlists.empty()) {
 140                         return shared_ptr<SPL>();
 141                 }
 142
 143                 return _playlists.front ();
 144         }
 145
 146         boost::signals2::signal<void (shared_ptr<SPL>)> Edit;
 147
 148 private:
 149         void add_playlist_to_view (shared_ptr<const SPL> 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<SPL> playlist)
 158         {
 159                 _playlists.push_back (playlist);
 160                 playlist->NameChanged.connect (bind(&PlaylistList::name_changed, this, weak_ptr<SPL>(playlist)));
 161         }
 162
 163         void name_changed (weak_ptr<SPL> wp)
 164         {
 165                 shared_ptr<SPL> playlist = wp.lock ();
 166                 if (!playlist) {
 167                         return;
 168                 }
 169
 170                 int N = 0;
 171                 BOOST_FOREACH (shared_ptr<SPL> 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<SPL> spl(new SPL);
 190                         try {
 191                                 spl->read (*i, _content_store);
 192                                 add_playlist_to_model (spl);
 193                         } catch (...) {}
 194                 }
 195
 196                 BOOST_FOREACH (shared_ptr<SPL> i, _playlists) {
 197                         add_playlist_to_view (i);
 198                 }
 199         }
 200
 201         void new_playlist ()
 202         {
 203                 shared_ptr<SPL> spl (new SPL(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<SPL>());
 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<SPL>());
 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<SPL> > _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 #ifdef DCPOMATIC_OSX
 277                 tick_icon.LoadFile ("tick.png", wxBITMAP_TYPE_PNG_RESOURCE);
 278                 no_tick_icon.LoadFile ("no_tick.png", wxBITMAP_TYPE_PNG_RESOURCE);
 279 #else
 280                 boost::filesystem::path tick_path = shared_path() / "tick.png";
 281                 tick_icon.LoadFile (std_to_wx(tick_path.string()));
 282                 boost::filesystem::path no_tick_path = shared_path() / "no_tick.png";
 283                 no_tick_icon.LoadFile (std_to_wx(no_tick_path.string()));
 284 #endif
 285                 images->Add (tick_icon);
 286                 images->Add (no_tick_icon);
 287
 288                 _list->SetImageList (images, wxIMAGE_LIST_SMALL);
 289
 290                 list->Add (_list, 1, wxEXPAND | wxALL, DCPOMATIC_SIZER_GAP);
 291
 292                 wxBoxSizer* button_sizer = new wxBoxSizer (wxVERTICAL);
 293                 _up = new Button (parent, _("Up"));
 294                 _down = new Button (parent, _("Down"));
 295                 _add = new Button (parent, _("Add"));
 296                 _remove = new Button (parent, _("Remove"));
 297                 button_sizer->Add (_up, 0, wxEXPAND | wxBOTTOM, DCPOMATIC_BUTTON_STACK_GAP);
 298                 button_sizer->Add (_down, 0, wxEXPAND | wxBOTTOM, DCPOMATIC_BUTTON_STACK_GAP);
 299                 button_sizer->Add (_add, 0, wxEXPAND | wxBOTTOM, DCPOMATIC_BUTTON_STACK_GAP);
 300                 button_sizer->Add (_remove, 0, wxEXPAND | wxBOTTOM, DCPOMATIC_BUTTON_STACK_GAP);
 301
 302                 list->Add (button_sizer, 0, wxALL, DCPOMATIC_SIZER_GAP);
 303
 304                 _sizer->Add (list);
 305
 306                 _list->Bind (wxEVT_COMMAND_LIST_ITEM_SELECTED, bind(&PlaylistContent::setup_sensitivity, this));
 307                 _list->Bind (wxEVT_COMMAND_LIST_ITEM_DESELECTED, bind(&PlaylistContent::setup_sensitivity, this));
 308                 _name->Bind (wxEVT_TEXT, bind(&PlaylistContent::name_changed, this));
 309                 _up->Bind (wxEVT_BUTTON, bind(&PlaylistContent::up_clicked, this));
 310                 _down->Bind (wxEVT_BUTTON, bind(&PlaylistContent::down_clicked, this));
 311                 _add->Bind (wxEVT_BUTTON, bind(&PlaylistContent::add_clicked, this));
 312                 _remove->Bind (wxEVT_BUTTON, bind(&PlaylistContent::remove_clicked, this));
 313         }
 314
 315         wxSizer* sizer ()
 316         {
 317                 return _sizer;
 318         }
 319
 320         void set (shared_ptr<SPL> playlist)
 321         {
 322                 _playlist = playlist;
 323                 _list->DeleteAllItems ();
 324                 if (_playlist) {
 325                         BOOST_FOREACH (SPLEntry i, _playlist->get()) {
 326                                 add (i);
 327                         }
 328                         _name->SetValue (std_to_wx(_playlist->name()));
 329                 } else {
 330                         _name->SetValue (wxT(""));
 331                 }
 332                 setup_sensitivity ();
 333         }
 334
 335         shared_ptr<SPL> playlist () const
 336         {
 337                 return _playlist;
 338         }
 339
 340
 341 private:
 342         void name_changed ()
 343         {
 344                 if (_playlist) {
 345                         _playlist->set_name (wx_to_std(_name->GetValue()));
 346                 }
 347         }
 348
 349         void add (SPLEntry e)
 350         {
 351                 wxListItem item;
 352                 item.SetId (_list->GetItemCount());
 353                 long const N = _list->InsertItem (item);
 354                 set_item (N, e);
 355         }
 356
 357         void set_item (long N, SPLEntry e)
 358         {
 359                 _list->SetItem (N, 0, std_to_wx(e.name));
 360                 _list->SetItem (N, 1, std_to_wx(e.id));
 361                 _list->SetItem (N, 2, std_to_wx(dcp::content_kind_to_string(e.kind)));
 362                 _list->SetItem (N, 3, e.encrypted ? S_("Question|Y") : S_("Question|N"));
 363         }
 364
 365         void setup_sensitivity ()
 366         {
 367                 bool const have_list = static_cast<bool>(_playlist);
 368                 int const num_selected = _list->GetSelectedItemCount ();
 369                 long int selected = _list->GetNextItem (-1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED);
 370                 _name->Enable (have_list);
 371                 _list->Enable (have_list);
 372                 _up->Enable (have_list && selected > 0);
 373                 _down->Enable (have_list && selected != -1 && selected < (_list->GetItemCount() - 1));
 374                 _add->Enable (have_list);
 375                 _remove->Enable (have_list && num_selected > 0);
 376         }
 377
 378         void add_clicked ()
 379         {
 380                 int const r = _content_dialog->ShowModal ();
 381                 if (r == wxID_OK) {
 382                         shared_ptr<Content> content = _content_dialog->selected ();
 383                         if (content) {
 384                                 SPLEntry e (content);
 385                                 add (e);
 386                                 DCPOMATIC_ASSERT (_playlist);
 387                                 _playlist->add (e);
 388                         }
 389                 }
 390         }
 391
 392         void up_clicked ()
 393         {
 394                 long int s = _list->GetNextItem (-1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED);
 395                 if (s < 1) {
 396                         return;
 397                 }
 398
 399                 DCPOMATIC_ASSERT (_playlist);
 400
 401                 SPLEntry tmp = (*_playlist)[s];
 402                 (*_playlist)[s] = (*_playlist)[s-1];
 403                 (*_playlist)[s-1] = tmp;
 404
 405                 set_item (s - 1, (*_playlist)[s-1]);
 406                 set_item (s, (*_playlist)[s]);
 407         }
 408
 409         void down_clicked ()
 410         {
 411                 long int s = _list->GetNextItem (-1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED);
 412                 if (s > (_list->GetItemCount() - 1)) {
 413                         return;
 414                 }
 415
 416                 DCPOMATIC_ASSERT (_playlist);
 417
 418                 SPLEntry tmp = (*_playlist)[s];
 419                 (*_playlist)[s] = (*_playlist)[s+1];
 420                 (*_playlist)[s+1] = tmp;
 421
 422                 set_item (s + 1, (*_playlist)[s+1]);
 423                 set_item (s, (*_playlist)[s]);
 424         }
 425
 426         void remove_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                 _playlist->remove (s);
 435                 _list->DeleteItem (s);
 436         }
 437
 438         ContentDialog* _content_dialog;
 439         wxBoxSizer* _sizer;
 440         wxTextCtrl* _name;
 441         wxListCtrl* _list;
 442         wxButton* _up;
 443         wxButton* _down;
 444         wxButton* _add;
 445         wxButton* _remove;
 446         shared_ptr<SPL> _playlist;
 447 };
 448
 449
 450 class DOMFrame : public wxFrame
 451 {
 452 public:
 453         explicit DOMFrame (wxString const & title)
 454                 : wxFrame (0, -1, title)
 455                 , _content_dialog (new ContentDialog(this))
 456         {
 457                 wxMenuBar* bar = new wxMenuBar;
 458                 setup_menu (bar);
 459                 SetMenuBar (bar);
 460
 461                 /* Use a panel as the only child of the Frame so that we avoid
 462                    the dark-grey background on Windows.
 463                 */
 464                 wxPanel* overall_panel = new wxPanel (this, wxID_ANY);
 465                 wxBoxSizer* sizer = new wxBoxSizer (wxVERTICAL);
 466
 467                 _playlist_list = new PlaylistList (overall_panel, _content_dialog);
 468                 _playlist_content = new PlaylistContent (overall_panel, _content_dialog);
 469
 470                 sizer->Add (_playlist_list->sizer());
 471                 sizer->Add (_playlist_content->sizer());
 472
 473                 overall_panel->SetSizer (sizer);
 474
 475                 _playlist_list->Edit.connect (bind(&DOMFrame::change_playlist, this, _1));
 476
 477                 _playlist_content->set (_playlist_list->first_playlist());
 478
 479                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_exit, this), wxID_EXIT);
 480                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::help_about, this), wxID_ABOUT);
 481                 Bind (wxEVT_MENU, boost::bind (&DOMFrame::edit_preferences, this), wxID_PREFERENCES);
 482         }
 483
 484 private:
 485
 486         void file_exit ()
 487         {
 488                 /* false here allows the close handler to veto the close request */
 489                 Close (false);
 490         }
 491
 492         void help_about ()
 493         {
 494                 AboutDialog* d = new AboutDialog (this);
 495                 d->ShowModal ();
 496                 d->Destroy ();
 497         }
 498
 499         void edit_preferences ()
 500         {
 501                 if (!_config_dialog) {
 502                         _config_dialog = create_player_config_dialog ();
 503                 }
 504                 _config_dialog->Show (this);
 505         }
 506
 507         void change_playlist (shared_ptr<SPL> playlist)
 508         {
 509                 shared_ptr<SPL> old = _playlist_content->playlist ();
 510                 if (old) {
 511                         save_playlist (old);
 512                 }
 513                 _playlist_content->set (playlist);
 514         }
 515
 516         void save_playlist (shared_ptr<SPL> playlist)
 517         {
 518                 optional<boost::filesystem::path> dir = Config::instance()->player_playlist_directory();
 519                 if (!dir) {
 520                         error_dialog (this, _("No playlist folder is specified in preferences.  Please set on and then try again."));
 521                         return;
 522                 }
 523                 playlist->write (*dir / (playlist->id() + ".xml"));
 524         }
 525
 526         void setup_menu (wxMenuBar* m)
 527         {
 528                 wxMenu* file = new wxMenu;
 529 #ifdef __WXOSX__
 530                 file->Append (wxID_EXIT, _("&Exit"));
 531 #else
 532                 file->Append (wxID_EXIT, _("&Quit"));
 533 #endif
 534
 535 #ifndef __WXOSX__
 536                 wxMenu* edit = new wxMenu;
 537                 edit->Append (wxID_PREFERENCES, _("&Preferences...\tCtrl-P"));
 538 #endif
 539
 540                 wxMenu* help = new wxMenu;
 541 #ifdef __WXOSX__
 542                 help->Append (wxID_ABOUT, _("About DCP-o-matic"));
 543 #else
 544                 help->Append (wxID_ABOUT, _("About"));
 545 #endif
 546
 547                 m->Append (file, _("&File"));
 548 #ifndef __WXOSX__
 549                 m->Append (edit, _("&Edit"));
 550 #endif
 551                 m->Append (help, _("&Help"));
 552         }
 553
 554         ContentDialog* _content_dialog;
 555         PlaylistList* _playlist_list;
 556         PlaylistContent* _playlist_content;
 557         wxPreferencesEditor* _config_dialog;
 558 };
 559
 560 /** @class App
 561  *  @brief The magic App class for wxWidgets.
 562  */
 563 class App : public wxApp
 564 {
 565 public:
 566         App ()
 567                 : wxApp ()
 568                 , _frame (0)
 569         {}
 570
 571 private:
 572
 573         bool OnInit ()
 574         try
 575         {
 576                 SetAppName (_("DCP-o-matic KDM Creator"));
 577
 578                 if (!wxApp::OnInit()) {
 579                         return false;
 580                 }
 581
 582 #ifdef DCPOMATIC_LINUX
 583                 unsetenv ("UBUNTU_MENUPROXY");
 584 #endif
 585
 586 #ifdef __WXOSX__
 587                 ProcessSerialNumber serial;
 588                 GetCurrentProcess (&serial);
 589                 TransformProcessType (&serial, kProcessTransformToForegroundApplication);
 590 #endif
 591
 592                 dcpomatic_setup_path_encoding ();
 593
 594                 /* Enable i18n; this will create a Config object
 595                    to look for a force-configured language.  This Config
 596                    object will be wrong, however, because dcpomatic_setup
 597                    hasn't yet been called and there aren't any filters etc.
 598                    set up yet.
 599                 */
 600                 dcpomatic_setup_i18n ();
 601
 602                 /* Set things up, including filters etc.
 603                    which will now be internationalised correctly.
 604                 */
 605                 dcpomatic_setup ();
 606
 607                 /* Force the configuration to be re-loaded correctly next
 608                    time it is needed.
 609                 */
 610                 Config::drop ();
 611
 612                 _frame = new DOMFrame (_("DCP-o-matic Playlist Editor"));
 613                 SetTopWindow (_frame);
 614                 _frame->Maximize ();
 615                 _frame->Show ();
 616
 617                 signal_manager = new wxSignalManager (this);
 618                 Bind (wxEVT_IDLE, boost::bind (&App::idle, this));
 619
 620                 return true;
 621         }
 622         catch (exception& e)
 623         {
 624                 error_dialog (0, _("DCP-o-matic could not start"), std_to_wx(e.what()));
 625                 return true;
 626         }
 627
 628         /* An unhandled exception has occurred inside the main event loop */
 629         bool OnExceptionInMainLoop ()
 630         {
 631                 try {
 632                         throw;
 633                 } catch (FileError& e) {
 634                         error_dialog (
 635                                 0,
 636                                 wxString::Format (
 637                                         _("An exception occurred: %s (%s)\n\n") + REPORT_PROBLEM,
 638                                         std_to_wx (e.what()),
 639                                         std_to_wx (e.file().string().c_str ())
 640                                         )
 641                                 );
 642                 } catch (exception& e) {
 643                         error_dialog (
 644                                 0,
 645                                 wxString::Format (
 646                                         _("An exception occurred: %s.\n\n") + " " + REPORT_PROBLEM,
 647                                         std_to_wx (e.what ())
 648                                         )
 649                                 );
 650                 } catch (...) {
 651                         error_dialog (0, _("An unknown exception occurred.") + "  " + REPORT_PROBLEM);
 652                 }
 653
 654                 /* This will terminate the program */
 655                 return false;
 656         }
 657
 658         void OnUnhandledException ()
 659         {
 660                 error_dialog (0, _("An unknown exception occurred.") + "  " + REPORT_PROBLEM);
 661         }
 662
 663         void idle ()
 664         {
 665                 signal_manager->ui_idle ();
 666         }
 667
 668         DOMFrame* _frame;
 669 };
 670
 671 IMPLEMENT_APP (App)