src/tools/dcpomatic.cc

   1 /*
   2     Copyright (C) 2012-2013 Carl Hetherington <cth@carlh.net>
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18 */
  19
  20 #include <iostream>
  21 #include <fstream>
  22 #include <boost/filesystem.hpp>
  23 #ifdef __WXMSW__
  24 #include <shellapi.h>
  25 #endif
  26 #ifdef __WXOSX__
  27 #include <ApplicationServices/ApplicationServices.h>
  28 #endif
  29 #include <wx/generic/aboutdlgg.h>
  30 #include <wx/stdpaths.h>
  31 #include <wx/cmdline.h>
  32 #include "wx/film_viewer.h"
  33 #include "wx/film_editor.h"
  34 #include "wx/job_manager_view.h"
  35 #include "wx/config_dialog.h"
  36 #include "wx/job_wrapper.h"
  37 #include "wx/wx_util.h"
  38 #include "wx/new_film_dialog.h"
  39 #include "wx/properties_dialog.h"
  40 #include "wx/wx_ui_signaller.h"
  41 #include "wx/about_dialog.h"
  42 #include "wx/kdm_dialog.h"
  43 #include "wx/servers_list_dialog.h"
  44 #include "wx/hints_dialog.h"
  45 #include "lib/film.h"
  46 #include "lib/config.h"
  47 #include "lib/util.h"
  48 #include "lib/version.h"
  49 #include "lib/ui_signaller.h"
  50 #include "lib/log.h"
  51 #include "lib/job_manager.h"
  52 #include "lib/transcode_job.h"
  53 #include "lib/exceptions.h"
  54 #include "lib/cinema.h"
  55 #include "lib/kdm.h"
  56 #include "lib/send_kdm_email_job.h"
  57
  58 using std::cout;
  59 using std::string;
  60 using std::wstring;
  61 using std::stringstream;
  62 using std::map;
  63 using std::make_pair;
  64 using std::list;
  65 using std::exception;
  66 using boost::shared_ptr;
  67 using boost::dynamic_pointer_cast;
  68
  69 static FilmEditor* film_editor = 0;
  70 static FilmViewer* film_viewer = 0;
  71 static shared_ptr<Film> film;
  72 static std::string log_level;
  73 static std::string film_to_load;
  74 static std::string film_to_create;
  75 static wxMenu* jobs_menu = 0;
  76
  77 static void set_menu_sensitivity ();
  78
  79 class FilmChangedDialog
  80 {
  81 public:
  82         FilmChangedDialog ()
  83         {
  84                 _dialog = new wxMessageDialog (
  85                         0,
  86                         wxString::Format (_("Save changes to film \"%s\" before closing?"), std_to_wx (film->name ()).data()),
  87                         _("Film changed"),
  88                         wxYES_NO | wxYES_DEFAULT | wxICON_QUESTION
  89                         );
  90         }
  91
  92         ~FilmChangedDialog ()
  93         {
  94                 _dialog->Destroy ();
  95         }
  96
  97         int run ()
  98         {
  99                 return _dialog->ShowModal ();
 100         }
 101
 102 private:
 103         /* Not defined */
 104         FilmChangedDialog (FilmChangedDialog const &);
 105
 106         wxMessageDialog* _dialog;
 107 };
 108
 109
 110 void
 111 maybe_save_then_delete_film ()
 112 {
 113         if (!film) {
 114                 return;
 115         }
 116
 117         if (film->dirty ()) {
 118                 FilmChangedDialog d;
 119                 switch (d.run ()) {
 120                 case wxID_NO:
 121                         break;
 122                 case wxID_YES:
 123                         film->write_metadata ();
 124                         break;
 125                 }
 126         }
 127
 128         film.reset ();
 129 }
 130
 131 #define ALWAYS                  0x0
 132 #define NEEDS_FILM              0x1
 133 #define NOT_DURING_DCP_CREATION 0x2
 134 #define NEEDS_DCP               0x4
 135
 136 map<wxMenuItem*, int> menu_items;
 137
 138 void
 139 add_item (wxMenu* menu, wxString text, int id, int sens)
 140 {
 141         wxMenuItem* item = menu->Append (id, text);
 142         menu_items.insert (make_pair (item, sens));
 143 }
 144
 145 void
 146 set_menu_sensitivity ()
 147 {
 148         list<shared_ptr<Job> > jobs = JobManager::instance()->get ();
 149         list<shared_ptr<Job> >::iterator i = jobs.begin();
 150         while (i != jobs.end() && dynamic_pointer_cast<TranscodeJob> (*i) == 0) {
 151                 ++i;
 152         }
 153         bool const dcp_creation = (i != jobs.end ()) && !(*i)->finished ();
 154         bool const have_dcp = film && !film->dcps().empty ();
 155
 156         for (map<wxMenuItem*, int>::iterator j = menu_items.begin(); j != menu_items.end(); ++j) {
 157
 158                 bool enabled = true;
 159
 160                 if ((j->second & NEEDS_FILM) && film == 0) {
 161                         enabled = false;
 162                 }
 163
 164                 if ((j->second & NOT_DURING_DCP_CREATION) && dcp_creation) {
 165                         enabled = false;
 166                 }
 167
 168                 if ((j->second & NEEDS_DCP) && !have_dcp) {
 169                         enabled = false;
 170                 }
 171
 172                 j->first->Enable (enabled);
 173         }
 174 }
 175
 176 enum {
 177         ID_file_new = 1,
 178         ID_file_open,
 179         ID_file_save,
 180         ID_file_properties,
 181         ID_jobs_make_dcp,
 182         ID_jobs_make_kdms,
 183         ID_jobs_send_dcp_to_tms,
 184         ID_jobs_show_dcp,
 185         ID_tools_hints,
 186         ID_tools_encoding_servers,
 187 };
 188
 189 void
 190 setup_menu (wxMenuBar* m)
 191 {
 192         wxMenu* file = new wxMenu;
 193         add_item (file, _("New..."), ID_file_new, ALWAYS);
 194         add_item (file, _("&Open..."), ID_file_open, ALWAYS);
 195         file->AppendSeparator ();
 196         add_item (file, _("&Save"), ID_file_save, NEEDS_FILM);
 197         file->AppendSeparator ();
 198         add_item (file, _("&Properties..."), ID_file_properties, NEEDS_FILM);
 199 #ifndef __WXOSX__
 200         file->AppendSeparator ();
 201 #endif
 202
 203 #ifdef __WXOSX__
 204         add_item (file, _("&Exit"), wxID_EXIT, ALWAYS);
 205 #else
 206         add_item (file, _("&Quit"), wxID_EXIT, ALWAYS);
 207 #endif
 208
 209
 210 #ifdef __WXOSX__
 211         add_item (file, _("&Preferences..."), wxID_PREFERENCES, ALWAYS);
 212 #else
 213         wxMenu* edit = new wxMenu;
 214         add_item (edit, _("&Preferences..."), wxID_PREFERENCES, ALWAYS);
 215 #endif
 216
 217         jobs_menu = new wxMenu;
 218         add_item (jobs_menu, _("&Make DCP"), ID_jobs_make_dcp, NEEDS_FILM | NOT_DURING_DCP_CREATION);
 219         add_item (jobs_menu, _("Make &KDMs..."), ID_jobs_make_kdms, NEEDS_FILM | NEEDS_DCP);
 220         add_item (jobs_menu, _("&Send DCP to TMS"), ID_jobs_send_dcp_to_tms, NEEDS_FILM | NOT_DURING_DCP_CREATION | NEEDS_DCP);
 221         add_item (jobs_menu, _("S&how DCP"), ID_jobs_show_dcp, NEEDS_FILM | NOT_DURING_DCP_CREATION | NEEDS_DCP);
 222
 223         wxMenu* tools = new wxMenu;
 224         add_item (tools, _("Hints..."), ID_tools_hints, 0);
 225         add_item (tools, _("Encoding Servers..."), ID_tools_encoding_servers, 0);
 226
 227         wxMenu* help = new wxMenu;
 228 #ifdef __WXOSX__
 229         add_item (help, _("About DCP-o-matic"), wxID_ABOUT, ALWAYS);
 230 #else
 231         add_item (help, _("About"), wxID_ABOUT, ALWAYS);
 232 #endif
 233
 234         m->Append (file, _("&File"));
 235 #ifndef __WXOSX__
 236         m->Append (edit, _("&Edit"));
 237 #endif
 238         m->Append (jobs_menu, _("&Jobs"));
 239         m->Append (tools, _("&Tools"));
 240         m->Append (help, _("&Help"));
 241 }
 242
 243 class Frame : public wxFrame
 244 {
 245 public:
 246         Frame (wxString const & title)
 247                 : wxFrame (NULL, -1, title)
 248                 , _hints_dialog (0)
 249                 , _servers_list_dialog (0)
 250         {
 251 #ifdef DCPOMATIC_WINDOWS_CONSOLE
 252                 AllocConsole();
 253
 254                 HANDLE handle_out = GetStdHandle(STD_OUTPUT_HANDLE);
 255                 int hCrt = _open_osfhandle((intptr_t) handle_out, _O_TEXT);
 256                 FILE* hf_out = _fdopen(hCrt, "w");
 257                 setvbuf(hf_out, NULL, _IONBF, 1);
 258                 *stdout = *hf_out;
 259
 260                 HANDLE handle_in = GetStdHandle(STD_INPUT_HANDLE);
 261                 hCrt = _open_osfhandle((intptr_t) handle_in, _O_TEXT);
 262                 FILE* hf_in = _fdopen(hCrt, "r");
 263                 setvbuf(hf_in, NULL, _IONBF, 128);
 264                 *stdin = *hf_in;
 265 #endif
 266
 267                 wxMenuBar* bar = new wxMenuBar;
 268                 setup_menu (bar);
 269                 SetMenuBar (bar);
 270
 271                 Bind (wxEVT_COMMAND_MENU_SELECTED, boost::bind (&Frame::file_new, this),               ID_file_new);
 272                 Bind (wxEVT_COMMAND_MENU_SELECTED, boost::bind (&Frame::file_open, this),              ID_file_open);
 273                 Bind (wxEVT_COMMAND_MENU_SELECTED, boost::bind (&Frame::file_save, this),              ID_file_save);
 274                 Bind (wxEVT_COMMAND_MENU_SELECTED, boost::bind (&Frame::file_properties, this),        ID_file_properties);
 275                 Bind (wxEVT_COMMAND_MENU_SELECTED, boost::bind (&Frame::file_exit, this),              wxID_EXIT);
 276                 Bind (wxEVT_COMMAND_MENU_SELECTED, boost::bind (&Frame::edit_preferences, this),       wxID_PREFERENCES);
 277                 Bind (wxEVT_COMMAND_MENU_SELECTED, boost::bind (&Frame::jobs_make_dcp, this),          ID_jobs_make_dcp);
 278                 Bind (wxEVT_COMMAND_MENU_SELECTED, boost::bind (&Frame::jobs_make_kdms, this),         ID_jobs_make_kdms);
 279                 Bind (wxEVT_COMMAND_MENU_SELECTED, boost::bind (&Frame::jobs_send_dcp_to_tms, this),   ID_jobs_send_dcp_to_tms);
 280                 Bind (wxEVT_COMMAND_MENU_SELECTED, boost::bind (&Frame::jobs_show_dcp, this),          ID_jobs_show_dcp);
 281                 Bind (wxEVT_COMMAND_MENU_SELECTED, boost::bind (&Frame::tools_hints, this),            ID_tools_hints);
 282                 Bind (wxEVT_COMMAND_MENU_SELECTED, boost::bind (&Frame::tools_encoding_servers, this), ID_tools_encoding_servers);
 283                 Bind (wxEVT_COMMAND_MENU_SELECTED, boost::bind (&Frame::help_about, this),             wxID_ABOUT);
 284
 285                 Bind (wxEVT_CLOSE_WINDOW, boost::bind (&Frame::close, this, _1));
 286
 287                 /* Use a panel as the only child of the Frame so that we avoid
 288                    the dark-grey background on Windows.
 289                 */
 290                 wxPanel* overall_panel = new wxPanel (this, wxID_ANY);
 291
 292                 film_editor = new FilmEditor (film, overall_panel);
 293                 film_viewer = new FilmViewer (film, overall_panel);
 294                 JobManagerView* job_manager_view = new JobManagerView (overall_panel, static_cast<JobManagerView::Buttons> (0));
 295
 296                 wxBoxSizer* right_sizer = new wxBoxSizer (wxVERTICAL);
 297                 right_sizer->Add (film_viewer, 2, wxEXPAND | wxALL, 6);
 298                 right_sizer->Add (job_manager_view, 1, wxEXPAND | wxALL, 6);
 299
 300                 wxBoxSizer* main_sizer = new wxBoxSizer (wxHORIZONTAL);
 301                 main_sizer->Add (film_editor, 1, wxEXPAND | wxALL, 6);
 302                 main_sizer->Add (right_sizer, 2, wxEXPAND | wxALL, 6);
 303
 304                 set_menu_sensitivity ();
 305
 306                 film_editor->FileChanged.connect (bind (&Frame::file_changed, this, _1));
 307                 if (film) {
 308                         file_changed (film->directory ());
 309                 } else {
 310                         file_changed ("");
 311                 }
 312
 313                 JobManager::instance()->ActiveJobsChanged.connect (boost::bind (set_menu_sensitivity));
 314
 315                 set_film ();
 316                 overall_panel->SetSizer (main_sizer);
 317         }
 318
 319 private:
 320
 321         void set_film ()
 322         {
 323                 film_viewer->set_film (film);
 324                 film_editor->set_film (film);
 325                 set_menu_sensitivity ();
 326         }
 327
 328         void file_changed (boost::filesystem::path f)
 329         {
 330                 stringstream s;
 331                 s << wx_to_std (_("DCP-o-matic"));
 332                 if (!f.empty ()) {
 333                         s << " - " << f.string ();
 334                 }
 335
 336                 SetTitle (std_to_wx (s.str()));
 337         }
 338
 339         void file_new ()
 340         {
 341                 NewFilmDialog* d = new NewFilmDialog (this);
 342                 int const r = d->ShowModal ();
 343
 344                 if (r == wxID_OK) {
 345
 346                         if (boost::filesystem::is_directory (d->get_path()) && !boost::filesystem::is_empty(d->get_path())) {
 347                                 if (!confirm_dialog (
 348                                             this,
 349                                             std_to_wx (
 350                                                     String::compose (wx_to_std (_("The directory %1 already exists and is not empty.  "
 351                                                                                   "Are you sure you want to use it?")),
 352                                                                      d->get_path().string().c_str())
 353                                                     )
 354                                             )) {
 355                                         return;
 356                                 }
 357                         } else if (boost::filesystem::is_regular_file (d->get_path())) {
 358                                 error_dialog (
 359                                         this,
 360                                         String::compose (wx_to_std (_("%1 already exists as a file, so you cannot use it for a new film.")), d->get_path().c_str())
 361                                         );
 362                                 return;
 363                         }
 364
 365                         maybe_save_then_delete_film ();
 366                         film.reset (new Film (d->get_path ()));
 367                         film->write_metadata ();
 368                         film->log()->set_level (log_level);
 369                         film->set_name (boost::filesystem::path (d->get_path()).filename().generic_string());
 370                         set_film ();
 371                 }
 372
 373                 d->Destroy ();
 374         }
 375
 376         void file_open ()
 377         {
 378                 wxDirDialog* c = new wxDirDialog (
 379                         this,
 380                         _("Select film to open"),
 381                         std_to_wx (Config::instance()->default_directory_or (wx_to_std (wxStandardPaths::Get().GetDocumentsDir())).string ()),
 382                         wxDEFAULT_DIALOG_STYLE | wxDD_DIR_MUST_EXIST
 383                         );
 384
 385                 int r;
 386                 while (1) {
 387                         r = c->ShowModal ();
 388                         if (r == wxID_OK && c->GetPath() == wxStandardPaths::Get().GetDocumentsDir()) {
 389                                 error_dialog (this, _("You did not select a folder.  Make sure that you select a folder before clicking Open."));
 390                         } else {
 391                                 break;
 392                         }
 393                 }
 394
 395                 if (r == wxID_OK) {
 396                         maybe_save_then_delete_film ();
 397                         try {
 398                                 film.reset (new Film (wx_to_std (c->GetPath ())));
 399                                 film->read_metadata ();
 400                                 film->log()->set_level (log_level);
 401                                 set_film ();
 402                         } catch (std::exception& e) {
 403                                 wxString p = c->GetPath ();
 404                                 wxCharBuffer b = p.ToUTF8 ();
 405                                 error_dialog (this, wxString::Format (_("Could not open film at %s (%s)"), p.data(), std_to_wx (e.what()).data()));
 406                         }
 407                 }
 408
 409                 c->Destroy ();
 410         }
 411
 412         void file_save ()
 413         {
 414                 film->write_metadata ();
 415         }
 416
 417         void file_properties ()
 418         {
 419                 PropertiesDialog* d = new PropertiesDialog (this, film);
 420                 d->ShowModal ();
 421                 d->Destroy ();
 422         }
 423
 424         void file_exit ()
 425         {
 426                 if (!should_close ()) {
 427                         return;
 428                 }
 429
 430                 maybe_save_then_delete_film ();
 431                 Close (true);
 432         }
 433
 434         void edit_preferences ()
 435         {
 436                 ConfigDialog* d = new ConfigDialog (this);
 437                 d->ShowModal ();
 438                 d->Destroy ();
 439                 Config::instance()->write ();
 440         }
 441
 442         void jobs_make_dcp ()
 443         {
 444                 JobWrapper::make_dcp (this, film);
 445         }
 446
 447         void jobs_make_kdms ()
 448         {
 449                 if (!film) {
 450                         return;
 451                 }
 452
 453                 KDMDialog* d = new KDMDialog (this, film);
 454                 if (d->ShowModal () != wxID_OK) {
 455                         d->Destroy ();
 456                         return;
 457                 }
 458
 459                 try {
 460                         if (d->write_to ()) {
 461                                 write_kdm_files (film, d->screens (), d->dcp (), d->from (), d->until (), d->directory ());
 462                         } else {
 463                                 JobManager::instance()->add (
 464                                         shared_ptr<Job> (new SendKDMEmailJob (film, d->screens (), d->dcp (), d->from (), d->until ()))
 465                                         );
 466                         }
 467                 } catch (KDMError& e) {
 468                         error_dialog (this, e.what ());
 469                 }
 470
 471                 d->Destroy ();
 472         }
 473
 474         void jobs_send_dcp_to_tms ()
 475         {
 476                 film->send_dcp_to_tms ();
 477         }
 478
 479         void jobs_show_dcp ()
 480         {
 481 #ifdef __WXMSW__
 482                 string d = film->directory().string ();
 483                 wstring w;
 484                 w.assign (d.begin(), d.end());
 485                 ShellExecute (0, L"open", w.c_str(), 0, 0, SW_SHOWDEFAULT);
 486 #else
 487                 int r = system ("which nautilus");
 488                 if (WEXITSTATUS (r) == 0) {
 489                         r = system (string ("nautilus " + film->directory().string()).c_str ());
 490                         if (WEXITSTATUS (r)) {
 491                                 error_dialog (this, _("Could not show DCP (could not run nautilus)"));
 492                         }
 493                 } else {
 494                         int r = system ("which konqueror");
 495                         if (WEXITSTATUS (r) == 0) {
 496                                 r = system (string ("konqueror " + film->directory().string()).c_str ());
 497                                 if (WEXITSTATUS (r)) {
 498                                         error_dialog (this, _("Could not show DCP (could not run konqueror)"));
 499                                 }
 500                         }
 501                 }
 502 #endif
 503         }
 504
 505         void tools_hints ()
 506         {
 507                 if (!_hints_dialog) {
 508                         _hints_dialog = new HintsDialog (this, film);
 509                 }
 510
 511                 _hints_dialog->Show ();
 512         }
 513
 514         void tools_encoding_servers ()
 515         {
 516                 if (!_servers_list_dialog) {
 517                         _servers_list_dialog = new ServersListDialog (this);
 518                 }
 519
 520                 _servers_list_dialog->Show ();
 521         }
 522
 523         void help_about ()
 524         {
 525                 AboutDialog* d = new AboutDialog (this);
 526                 d->ShowModal ();
 527                 d->Destroy ();
 528         }
 529
 530         bool should_close ()
 531         {
 532                 if (!JobManager::instance()->work_to_do ()) {
 533                         return true;
 534                 }
 535
 536                 wxMessageDialog* d = new wxMessageDialog (
 537                         0,
 538                         _("There are unfinished jobs; are you sure you want to quit?"),
 539                         _("Unfinished jobs"),
 540                         wxYES_NO | wxYES_DEFAULT | wxICON_QUESTION
 541                         );
 542
 543                 bool const r = d->ShowModal() == wxID_YES;
 544                 d->Destroy ();
 545                 return r;
 546         }
 547
 548         void close (wxCloseEvent& ev)
 549         {
 550                 if (!should_close ()) {
 551                         ev.Veto ();
 552                         return;
 553                 }
 554
 555                 maybe_save_then_delete_film ();
 556
 557                 ev.Skip ();
 558         }
 559
 560         HintsDialog* _hints_dialog;
 561         ServersListDialog* _servers_list_dialog;
 562 };
 563
 564 static const wxCmdLineEntryDesc command_line_description[] = {
 565         { wxCMD_LINE_OPTION, "l", "log", "set log level (silent, verbose or timing)", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
 566         { wxCMD_LINE_SWITCH, "n", "new", "create new film", wxCMD_LINE_VAL_NONE, wxCMD_LINE_PARAM_OPTIONAL },
 567         { wxCMD_LINE_PARAM, 0, 0, "film to load or create", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_MULTIPLE | wxCMD_LINE_PARAM_OPTIONAL },
 568         { wxCMD_LINE_NONE, "", "", "", wxCmdLineParamType (0), 0 }
 569 };
 570
 571 class App : public wxApp
 572 {
 573         bool OnInit ()
 574         try
 575         {
 576                 SetAppName (_("DCP-o-matic"));
 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                 wxInitAllImageHandlers ();
 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 scalers, filters etc.
 598                    set up yet.
 599                 */
 600                 dcpomatic_setup_i18n ();
 601
 602                 /* Set things up, including scalers / 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                 if (!film_to_load.empty() && boost::filesystem::is_directory (film_to_load)) {
 613                         try {
 614                                 film.reset (new Film (film_to_load));
 615                                 film->read_metadata ();
 616                                 film->log()->set_level (log_level);
 617                         } catch (exception& e) {
 618                                 error_dialog (0, std_to_wx (String::compose (wx_to_std (_("Could not load film %1 (%2)")), film_to_load, e.what())));
 619                         }
 620                 }
 621
 622                 if (!film_to_create.empty ()) {
 623                         film.reset (new Film (film_to_create));
 624                         film->write_metadata ();
 625                         film->log()->set_level (log_level);
 626                         film->set_name (boost::filesystem::path (film_to_create).filename().generic_string ());
 627                 }
 628
 629                 Frame* f = new Frame (_("DCP-o-matic"));
 630                 SetTopWindow (f);
 631                 f->Maximize ();
 632                 f->Show ();
 633
 634                 ui_signaller = new wxUISignaller (this);
 635                 this->Bind (wxEVT_IDLE, boost::bind (&App::idle, this));
 636
 637                 return true;
 638         }
 639         catch (exception& e)
 640         {
 641                 error_dialog (0, wxString::Format ("DCP-o-matic could not start: %s", e.what ()));
 642                 return true;
 643         }
 644
 645         void OnInitCmdLine (wxCmdLineParser& parser)
 646         {
 647                 parser.SetDesc (command_line_description);
 648                 parser.SetSwitchChars (wxT ("-"));
 649         }
 650
 651         bool OnCmdLineParsed (wxCmdLineParser& parser)
 652         {
 653                 if (parser.GetParamCount() > 0) {
 654                         if (parser.Found (wxT ("new"))) {
 655                                 film_to_create = wx_to_std (parser.GetParam (0));
 656                         } else {
 657                                 film_to_load = wx_to_std (parser.GetParam(0));
 658                         }
 659                 }
 660
 661                 wxString log;
 662                 if (parser.Found (wxT ("log"), &log)) {
 663                         log_level = wx_to_std (log);
 664                 }
 665
 666                 return true;
 667         }
 668
 669         void idle ()
 670         {
 671                 ui_signaller->ui_idle ();
 672         }
 673 };
 674
 675 IMPLEMENT_APP (App)