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