Set 'i' earlier in name_values.
[dcpomatic.git] / src / tools / dcpomatic_kdm.cc
index 9995d80a9819111056549285610c7740d44df378..da856d3589af6246df58ee6f96c1eb70517c3548 100644 (file)
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2015-2017 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2015-2019 Carl Hetherington <cth@carlh.net>
 
     This file is part of DCP-o-matic.
 
 #include "wx/file_dialog_wrapper.h"
 #include "wx/new_dkdm_folder_dialog.h"
 #include "wx/editable_list.h"
+#include "wx/static_text.h"
+#include "wx/dcpomatic_button.h"
+#include "wx/nag_dialog.h"
 #include "lib/config.h"
 #include "lib/util.h"
 #include "lib/screen.h"
 #include "lib/job_manager.h"
-#include "lib/screen_kdm.h"
+#include "lib/kdm_with_metadata.h"
 #include "lib/exceptions.h"
-#include "lib/cinema_kdms.h"
 #include "lib/send_kdm_email_job.h"
 #include "lib/compose.hpp"
 #include "lib/cinema.h"
 #include "lib/dkdm_wrapper.h"
 #include "lib/cross.h"
+#ifdef DCPOMATIC_VARIANT_SWAROOP
+#include "lib/decrypted_ecinema_kdm.h"
+#endif
 #include <dcp/encrypted_kdm.h>
 #include <dcp/decrypted_kdm.h>
 #include <dcp/exceptions.h>
@@ -71,6 +76,7 @@ using boost::bind;
 using boost::optional;
 using boost::ref;
 using boost::dynamic_pointer_cast;
+using namespace dcpomatic;
 
 enum {
        ID_help_report_a_problem = 1,
@@ -79,7 +85,7 @@ enum {
 class DOMFrame : public wxFrame
 {
 public:
-       DOMFrame (wxString const & title)
+       explicit DOMFrame (wxString const & title)
                : wxFrame (0, -1, title)
                , _config_dialog (0)
                , _job_view (0)
@@ -129,20 +135,20 @@ public:
                wxFont subheading_font (*wxNORMAL_FONT);
                subheading_font.SetWeight (wxFONTWEIGHT_BOLD);
 
-               wxStaticText* h = new wxStaticText (overall_panel, wxID_ANY, _("Screens"));
+               wxStaticText* h = new StaticText (overall_panel, _("Screens"));
                h->SetFont (subheading_font);
                left->Add (h, 0, wxALIGN_CENTER_VERTICAL | wxBOTTOM, DCPOMATIC_SIZER_Y_GAP);
                _screens = new ScreensPanel (overall_panel);
                left->Add (_screens, 1, wxEXPAND | wxBOTTOM, DCPOMATIC_SIZER_Y_GAP);
 
                /// TRANSLATORS: translate the word "Timing" here; do not include the "KDM|" prefix
-               h = new wxStaticText (overall_panel, wxID_ANY, S_("KDM|Timing"));
+               h = new StaticText (overall_panel, S_("KDM|Timing"));
                h->SetFont (subheading_font);
                right->Add (h, 0, wxALIGN_CENTER_VERTICAL, DCPOMATIC_SIZER_Y_GAP * 2);
                _timing = new KDMTimingPanel (overall_panel);
                right->Add (_timing, 0, wxALL, DCPOMATIC_SIZER_Y_GAP);
 
-               h = new wxStaticText (overall_panel, wxID_ANY, _("DKDM"));
+               h = new StaticText (overall_panel, _("DKDM"));
                h->SetFont (subheading_font);
                right->Add (h, 0, wxALIGN_CENTER_VERTICAL | wxTOP, DCPOMATIC_SIZER_Y_GAP * 2);
                wxBoxSizer* dkdm_sizer = new wxBoxSizer (wxHORIZONTAL);
@@ -151,25 +157,27 @@ public:
                );
                dkdm_sizer->Add (_dkdm, 1, wxEXPAND | wxALL, DCPOMATIC_SIZER_Y_GAP);
                wxBoxSizer* dkdm_buttons = new wxBoxSizer(wxVERTICAL);
-               _add_dkdm = new wxButton (overall_panel, wxID_ANY, _("Add..."));
+               _add_dkdm = new Button (overall_panel, _("Add..."));
                dkdm_buttons->Add (_add_dkdm, 0, wxALL | wxEXPAND, DCPOMATIC_BUTTON_STACK_GAP);
-               _add_dkdm_folder = new wxButton (overall_panel, wxID_ANY, _("Add folder..."));
+               _add_dkdm_folder = new Button (overall_panel, _("Add folder..."));
                dkdm_buttons->Add (_add_dkdm_folder, 0, wxALL | wxEXPAND, DCPOMATIC_BUTTON_STACK_GAP);
-               _remove_dkdm = new wxButton (overall_panel, wxID_ANY, _("Remove"));
+               _remove_dkdm = new Button (overall_panel, _("Remove"));
                dkdm_buttons->Add (_remove_dkdm, 0, wxALL | wxEXPAND, DCPOMATIC_BUTTON_STACK_GAP);
+               _export_dkdm = new Button (overall_panel, _("Export..."));
+               dkdm_buttons->Add (_export_dkdm, 0, wxALL | wxEXPAND, DCPOMATIC_BUTTON_STACK_GAP);
                dkdm_sizer->Add (dkdm_buttons, 0, wxEXPAND | wxALL, DCPOMATIC_SIZER_GAP);
                right->Add (dkdm_sizer, 1, wxEXPAND | wxALL, DCPOMATIC_SIZER_Y_GAP);
 
                add_dkdm_view (Config::instance()->dkdms());
 
-               h = new wxStaticText (overall_panel, wxID_ANY, _("Output"));
+               h = new StaticText (overall_panel, _("Output"));
                h->SetFont (subheading_font);
                right->Add (h, 0, wxALIGN_CENTER_VERTICAL | wxTOP, DCPOMATIC_SIZER_Y_GAP * 2);
                /* XXX: hard-coded non-interop here */
                _output = new KDMOutputPanel (overall_panel, false);
                right->Add (_output, 0, wxALL, DCPOMATIC_SIZER_Y_GAP);
 
-               _create = new wxButton (overall_panel, wxID_ANY, _("Create KDMs"));
+               _create = new Button (overall_panel, _("Create KDMs"));
                right->Add (_create, 0, wxALL, DCPOMATIC_SIZER_GAP);
 
                main_sizer->Add (horizontal, 1, wxALL | wxEXPAND, DCPOMATIC_DIALOG_BORDER);
@@ -186,6 +194,7 @@ public:
                _add_dkdm->Bind (wxEVT_BUTTON, bind (&DOMFrame::add_dkdm_clicked, this));
                _add_dkdm_folder->Bind (wxEVT_BUTTON, bind (&DOMFrame::add_dkdm_folder_clicked, this));
                _remove_dkdm->Bind (wxEVT_BUTTON, bind (&DOMFrame::remove_dkdm_clicked, this));
+               _export_dkdm->Bind (wxEVT_BUTTON, bind (&DOMFrame::export_dkdm_clicked, this));
 
                setup_sensitivity ();
        }
@@ -292,47 +301,115 @@ private:
                        if (!dkdm_base) {
                                return;
                        }
-                       shared_ptr<DKDM> dkdm = boost::dynamic_pointer_cast<DKDM> (dkdm_base);
-                       if (!dkdm) {
-                               return;
-                       }
-
-                       /* Decrypt the DKDM */
-                       dcp::DecryptedKDM decrypted (dkdm->dkdm(), Config::instance()->decryption_chain()->key().get());
 
-                       /* This is the signer for our new KDMs */
-                       shared_ptr<const dcp::CertificateChain> signer = Config::instance()->signer_chain ();
-                       if (!signer->valid ()) {
-                               throw InvalidSignerError ();
+                       list<KDMWithMetadataPtr> kdms;
+                       string title;
+
+#ifdef DCPOMATIC_VARIANT_SWAROOP
+                       shared_ptr<ECinemaDKDM> ecinema_dkdm = boost::dynamic_pointer_cast<ECinemaDKDM> (dkdm_base);
+                       if (ecinema_dkdm) {
+                               DecryptedECinemaKDM decrypted (ecinema_dkdm->dkdm(), Config::instance()->decryption_chain()->key().get());
+                               title = decrypted.name ();
+
+                               BOOST_FOREACH (shared_ptr<Screen> i, _screens->screens()) {
+
+                                       if (!i->recipient) {
+                                               continue;
+                                       }
+
+                                       dcp::LocalTime begin(_timing->from(), i->cinema->utc_offset_hour(), i->cinema->utc_offset_minute());
+                                       dcp::LocalTime end(_timing->until(), i->cinema->utc_offset_hour(), i->cinema->utc_offset_minute());
+
+                                       DecryptedECinemaKDM kdm (
+                                               decrypted.id(),
+                                               decrypted.name(),
+                                               decrypted.key(),
+                                               begin,
+                                               end
+                                               );
+
+                                       dcp::NameFormat::Map name_values;
+                                       name_values['c'] = i->cinema->name;
+                                       name_values['s'] = i->name;
+                                       name_values['f'] = title;
+                                       name_values['b'] = begin.date() + " " + begin.time_of_day(true, false);
+                                       name_values['e'] = end.date() + " " + end.time_of_day(true, false);
+                                       name_values['i'] = kdm.id();
+
+                                       /* Encrypt */
+                                       kdms.push_back (
+                                               KDMWithMetadataPtr(
+                                                       new ECinemaKDMWithMetadata(name_values, i->cinema, kdm.encrypt(i->recipient.get()))
+                                                       )
+                                               );
+                               }
                        }
+#endif
 
-                       list<ScreenKDM> screen_kdms;
-                       BOOST_FOREACH (shared_ptr<Screen> i, _screens->screens()) {
+                       shared_ptr<DKDM> dkdm = boost::dynamic_pointer_cast<DKDM> (dkdm_base);
+                       if (dkdm) {
 
-                               if (!i->recipient) {
-                                       continue;
-                               }
+                               /* Decrypt the DKDM */
+                               dcp::DecryptedKDM decrypted (dkdm->dkdm(), Config::instance()->decryption_chain()->key().get());
+                               title = decrypted.content_title_text ();
 
-                               /* Make an empty KDM */
-                               dcp::DecryptedKDM kdm (
-                                       dcp::LocalTime (_timing->from(), i->cinema->utc_offset_hour(), i->cinema->utc_offset_minute()),
-                                       dcp::LocalTime (_timing->until(), i->cinema->utc_offset_hour(), i->cinema->utc_offset_minute()),
-                                       decrypted.annotation_text().get_value_or (""),
-                                       decrypted.content_title_text(),
-                                       dcp::LocalTime().as_string()
-                                       );
+                               /* This is the signer for our new KDMs */
+                               shared_ptr<const dcp::CertificateChain> signer = Config::instance()->signer_chain ();
+                               if (!signer->valid ()) {
+                                       throw InvalidSignerError ();
+                               }
 
-                               /* Add keys from the DKDM */
-                               BOOST_FOREACH (dcp::DecryptedKDMKey const & j, decrypted.keys()) {
-                                       kdm.add_key (j);
+                               BOOST_FOREACH (shared_ptr<Screen> i, _screens->screens()) {
+
+                                       if (!i->recipient) {
+                                               continue;
+                                       }
+
+                                       dcp::LocalTime begin(_timing->from(), i->cinema->utc_offset_hour(), i->cinema->utc_offset_minute());
+                                       dcp::LocalTime end(_timing->until(), i->cinema->utc_offset_hour(), i->cinema->utc_offset_minute());
+
+                                       /* Make an empty KDM */
+                                       dcp::DecryptedKDM kdm (
+                                               begin,
+                                               end,
+                                               decrypted.annotation_text().get_value_or (""),
+                                               decrypted.content_title_text(),
+                                               dcp::LocalTime().as_string()
+                                               );
+
+                                       /* Add keys from the DKDM */
+                                       BOOST_FOREACH (dcp::DecryptedKDMKey const & j, decrypted.keys()) {
+                                               kdm.add_key (j);
+                                       }
+
+                                       dcp::EncryptedKDM const encrypted = kdm.encrypt(
+                                                       signer, i->recipient.get(), i->trusted_device_thumbprints(), _output->formulation(),
+                                                       !_output->forensic_mark_video(), _output->forensic_mark_audio() ? boost::optional<int>() : 0
+                                                       );
+
+                                       dcp::NameFormat::Map name_values;
+                                       name_values['c'] = i->cinema->name;
+                                       name_values['s'] = i->name;
+                                       name_values['f'] = title;
+                                       name_values['b'] = begin.date() + " " + begin.time_of_day(true, false);
+                                       name_values['e'] = end.date() + " " + end.time_of_day(true, false);
+                                       name_values['i'] = encrypted.cpl_id ();
+
+                                       /* Encrypt */
+                                       kdms.push_back (
+                                               KDMWithMetadataPtr(
+                                                       new DCPKDMWithMetadata(name_values, i->cinema, encrypted)
+                                                       )
+                                               );
                                }
+                       }
 
-                               /* Encrypt */
-                               screen_kdms.push_back (ScreenKDM (i, kdm.encrypt (signer, i->recipient.get(), i->trusted_devices, _output->formulation())));
+                       if (kdms.empty()) {
+                               return;
                        }
 
                        pair<shared_ptr<Job>, int> result = _output->make (
-                               screen_kdms, decrypted.content_title_text(), _timing, bind (&DOMFrame::confirm_overwrite, this, _1), shared_ptr<Log> ()
+                               kdms, title, bind (&DOMFrame::confirm_overwrite, this, _1)
                                );
 
                        if (result.first) {
@@ -356,7 +433,7 @@ private:
                } catch (dcp::NotEncryptedError& e) {
                        error_dialog (this, _("CPL's content is not encrypted."));
                } catch (exception& e) {
-                       error_dialog (this, e.what ());
+                       error_dialog (this, std_to_wx(e.what()));
                } catch (...) {
                        error_dialog (this, _("An unknown exception occurred."));
                }
@@ -368,7 +445,11 @@ private:
                _output->setup_sensitivity ();
                wxArrayTreeItemIds sel;
                _dkdm->GetSelections (sel);
+               shared_ptr<DKDMGroup> group = dynamic_pointer_cast<DKDMGroup>(selected_dkdm());
+               shared_ptr<DKDM> dkdm = dynamic_pointer_cast<DKDM>(selected_dkdm());
                _create->Enable (!_screens->screens().empty() && sel.GetCount() > 0);
+               _remove_dkdm->Enable (sel.GetCount() > 0 && (!group || group->name() != "root"));
+               _export_dkdm->Enable (sel.GetCount() > 0 && dkdm);
        }
 
        void dkdm_begin_drag (wxTreeEvent& ev)
@@ -380,7 +461,7 @@ private:
        {
                DKDMMap::iterator from = _dkdm_id.find (_dkdm->GetSelection ());
                DKDMMap::iterator to = _dkdm_id.find (ev.GetItem ());
-               if (from == _dkdm_id.end() || to == _dkdm_id.end()) {
+               if (from == _dkdm_id.end() || to == _dkdm_id.end() || from->first == to->first) {
                        return;
                }
 
@@ -404,16 +485,53 @@ private:
        {
                wxFileDialog* d = new wxFileDialog (this, _("Select DKDM file"));
                if (d->ShowModal() == wxID_OK) {
-                       shared_ptr<DKDMBase> new_dkdm;
+                       shared_ptr<const dcp::CertificateChain> chain = Config::instance()->decryption_chain();
+                       DCPOMATIC_ASSERT (chain->key());
+
+#ifdef DCPOMATIC_VARIANT_SWAROOP
                        try {
-                               dcp::EncryptedKDM ekdm(dcp::file_to_string (wx_to_std (d->GetPath ()), MAX_KDM_SIZE));
+                               cxml::Document test_doc;
+                               string const xml_string = dcp::file_to_string (wx_to_std(d->GetPath()), MAX_KDM_SIZE);
+                               test_doc.read_string (xml_string);
+                               if (test_doc.root_name() == "ECinemaSecurityMessage") {
+                                       EncryptedECinemaKDM ekdm(xml_string);
+                                       /* Decrypt the DKDM to make sure that we can */
+                                       DecryptedECinemaKDM dkdm(ekdm, chain->key().get());
+
+                                       shared_ptr<DKDMBase> new_dkdm(new ECinemaDKDM(ekdm));
+                                       shared_ptr<DKDMGroup> group = dynamic_pointer_cast<DKDMGroup> (selected_dkdm());
+                                       if (!group) {
+                                               group = Config::instance()->dkdms();
+                                       }
+                                       add_dkdm_model (new_dkdm, group);
+                                       add_dkdm_view (new_dkdm);
+                                       d->Destroy ();
+                                       return;
+                               }
+                       } catch (KDMError& e) {
+                               error_dialog (
+                                       this, "Could not read file as a KDM.  Perhaps it is badly formatted, created with the wrong certificate, or not a KDM at all.",
+                                       std_to_wx(e.what())
+                                       );
+                               d->Destroy ();
+                               return;
+                       } catch (dcp::MiscError& e) {
+                               error_dialog (
+                                       this,
+                                       _("Could not read file as a KDM.  It is much too large.  Make sure you are loading a DKDM (XML) file."),
+                                       std_to_wx(e.what())
+                                       );
+                               d->Destroy ();
+                               return;
+                       }
+#endif
 
+                       try {
+                               dcp::EncryptedKDM ekdm(dcp::file_to_string (wx_to_std (d->GetPath ()), MAX_KDM_SIZE));
                                /* Decrypt the DKDM to make sure that we can */
-                               shared_ptr<const dcp::CertificateChain> chain = Config::instance()->decryption_chain();
-                               DCPOMATIC_ASSERT (chain->key());
                                dcp::DecryptedKDM dkdm(ekdm, chain->key().get());
 
-                               new_dkdm.reset(new DKDM(ekdm));
+                               shared_ptr<DKDMBase> new_dkdm(new DKDM(ekdm));
                                shared_ptr<DKDMGroup> group = dynamic_pointer_cast<DKDMGroup> (selected_dkdm ());
                                if (!group) {
                                        group = Config::instance()->dkdms ();
@@ -423,17 +541,21 @@ private:
                        } catch (dcp::KDMFormatError& e) {
                                error_dialog (
                                        this,
-                                       wxString::Format (
-                                               _("Could not read file as a KDM.  Perhaps it is badly formatted, or not a KDM at all.\n\n%s"),
-                                               std_to_wx(e.what()).data()
-                                               )
+                                       _("Could not read file as a KDM.  Perhaps it is badly formatted, or not a KDM at all."),
+                                       std_to_wx(e.what())
                                        );
                                return;
-                       } catch (dcp::KDMDecryptionError) {
+                       } catch (dcp::KDMDecryptionError &) {
                                error_dialog (
                                        this,
                                        _("Could not decrypt the DKDM.  Perhaps it was not created with the correct certificate.")
                                        );
+                       } catch (dcp::MiscError& e) {
+                               error_dialog (
+                                       this,
+                                       _("Could not read file as a KDM.  It is much too large.  Make sure you are loading a DKDM (XML) file."),
+                                       std_to_wx(e.what())
+                                       );
                        }
                }
                d->Destroy ();
@@ -509,12 +631,43 @@ private:
                        return;
                }
 
+               if (NagDialog::maybe_nag (
+                           this, Config::NAG_DELETE_DKDM,
+                           _("You are about to remove a DKDM.  This will make it impossible to decrypt the DCP that the DKDM was made for, and it cannot be undone.  "
+                             "Are you sure?"),
+                           true)) {
+                       return;
+               }
+
                _dkdm->Delete (dkdm_to_id (removed));
                shared_ptr<DKDMGroup> dkdms = Config::instance()->dkdms ();
                dkdms->remove (removed);
                Config::instance()->changed ();
        }
 
+       void export_dkdm_clicked ()
+       {
+               shared_ptr<DKDMBase> removed = selected_dkdm ();
+               if (!removed) {
+                       return;
+               }
+
+               shared_ptr<DKDM> dkdm = dynamic_pointer_cast<DKDM>(removed);
+               if (!dkdm) {
+                       return;
+               }
+
+               wxFileDialog* d = new wxFileDialog (
+                       this, _("Select DKDM File"), wxEmptyString, wxEmptyString, wxT("XML files (*.xml)|*.xml"),
+                       wxFD_SAVE | wxFD_OVERWRITE_PROMPT
+                       );
+
+               if (d->ShowModal() == wxID_OK) {
+                       dkdm->dkdm().as_xml(wx_to_std(d->GetPath()));
+               }
+               d->Destroy ();
+       }
+
        wxPreferencesEditor* _config_dialog;
        ScreensPanel* _screens;
        KDMTimingPanel* _timing;
@@ -524,6 +677,7 @@ private:
        wxButton* _add_dkdm;
        wxButton* _add_dkdm_folder;
        wxButton* _remove_dkdm;
+       wxButton* _export_dkdm;
        wxButton* _create;
        KDMOutputPanel* _output;
        JobViewDialog* _job_view;
@@ -543,69 +697,75 @@ public:
 private:
 
        bool OnInit ()
-       try
        {
-               wxInitAllImageHandlers ();
+               wxSplashScreen* splash = 0;
 
-               Config::FailedToLoad.connect (boost::bind (&App::config_failed_to_load, this));
-               Config::Warning.connect (boost::bind (&App::config_warning, this, _1));
+               try {
+                       wxInitAllImageHandlers ();
 
-               wxSplashScreen* splash = maybe_show_splash ();
+                       Config::FailedToLoad.connect (boost::bind (&App::config_failed_to_load, this));
+                       Config::Warning.connect (boost::bind (&App::config_warning, this, _1));
 
-               SetAppName (_("DCP-o-matic KDM Creator"));
+                       splash = maybe_show_splash ();
 
-               if (!wxApp::OnInit()) {
-                       return false;
-               }
+                       SetAppName (_("DCP-o-matic KDM Creator"));
+
+                       if (!wxApp::OnInit()) {
+                               return false;
+                       }
 
 #ifdef DCPOMATIC_LINUX
-               unsetenv ("UBUNTU_MENUPROXY");
+                       unsetenv ("UBUNTU_MENUPROXY");
 #endif
 
 #ifdef __WXOSX__
-               ProcessSerialNumber serial;
-               GetCurrentProcess (&serial);
-               TransformProcessType (&serial, kProcessTransformToForegroundApplication);
+                       ProcessSerialNumber serial;
+                       GetCurrentProcess (&serial);
+                       TransformProcessType (&serial, kProcessTransformToForegroundApplication);
 #endif
 
-               dcpomatic_setup_path_encoding ();
-
-               /* Enable i18n; this will create a Config object
-                  to look for a force-configured language.  This Config
-                  object will be wrong, however, because dcpomatic_setup
-                  hasn't yet been called and there aren't any filters etc.
-                  set up yet.
-               */
-               dcpomatic_setup_i18n ();
-
-               /* Set things up, including filters etc.
-                  which will now be internationalised correctly.
-               */
-               dcpomatic_setup ();
-
-               /* Force the configuration to be re-loaded correctly next
-                  time it is needed.
-               */
-               Config::drop ();
+                       dcpomatic_setup_path_encoding ();
+
+                       /* Enable i18n; this will create a Config object
+                          to look for a force-configured language.  This Config
+                          object will be wrong, however, because dcpomatic_setup
+                          hasn't yet been called and there aren't any filters etc.
+                          set up yet.
+                       */
+                       dcpomatic_setup_i18n ();
+
+                       /* Set things up, including filters etc.
+                          which will now be internationalised correctly.
+                       */
+                       dcpomatic_setup ();
+
+                       /* Force the configuration to be re-loaded correctly next
+                          time it is needed.
+                       */
+                       Config::drop ();
+
+                       _frame = new DOMFrame (_("DCP-o-matic KDM Creator"));
+                       SetTopWindow (_frame);
+                       _frame->Maximize ();
+                       if (splash) {
+                               splash->Destroy ();
+                               splash = 0;
+                       }
+                       _frame->Show ();
 
-               _frame = new DOMFrame (_("DCP-o-matic KDM Creator"));
-               SetTopWindow (_frame);
-               _frame->Maximize ();
-               if (splash) {
-                       splash->Destroy ();
+                       signal_manager = new wxSignalManager (this);
+                       Bind (wxEVT_IDLE, boost::bind (&App::idle, this));
+               }
+               catch (exception& e)
+               {
+                       if (splash) {
+                               splash->Destroy ();
+                       }
+                       error_dialog (0, _("DCP-o-matic could not start"), std_to_wx(e.what()));
                }
-               _frame->Show ();
-
-               signal_manager = new wxSignalManager (this);
-               Bind (wxEVT_IDLE, boost::bind (&App::idle, this));
 
                return true;
        }
-       catch (exception& e)
-       {
-               error_dialog (0, wxString::Format ("DCP-o-matic could not start: %s", e.what ()));
-               return true;
-       }
 
        /* An unhandled exception has occurred inside the main event loop */
        bool OnExceptionInMainLoop ()