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