Support buttons.
[dcpomatic.git] / src / wx / config_dialog.cc
index 67ce701f9c95153f1fcdbb23d5499019d0b4ccfc..ccf1202ecd25b3bb30f05f6d9e78682590ed8780 100644 (file)
 /*
-    Copyright (C) 2012-2015 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2012-2018 Carl Hetherington <cth@carlh.net>
 
-    This program is free software; you can redistribute it and/or modify
+    This file is part of DCP-o-matic.
+
+    DCP-o-matic is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
     the Free Software Foundation; either version 2 of the License, or
     (at your option) any later version.
 
-    This program is distributed in the hope that it will be useful,
+    DCP-o-matic is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     GNU General Public License for more details.
 
     You should have received a copy of the GNU General Public License
-    along with this program; if not, write to the Free Software
-    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+    along with DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.
 
 */
 
-/** @file src/config_dialog.cc
- *  @brief A dialogue to edit DCP-o-matic configuration.
- */
-
-#include <iostream>
-#include <boost/lexical_cast.hpp>
-#include <boost/filesystem.hpp>
-#include <wx/stdpaths.h>
-#include <wx/preferences.h>
-#include <wx/filepicker.h>
-#include <wx/spinctrl.h>
-#include <dcp/colour_matrix.h>
-#include <dcp/exceptions.h>
-#include <dcp/signer.h>
-#include "lib/config.h"
-#include "lib/ratio.h"
-#include "lib/filter.h"
-#include "lib/dcp_content_type.h"
-#include "lib/colour_conversion.h"
-#include "lib/log.h"
-#include "lib/util.h"
-#include "lib/cross.h"
-#include "lib/exceptions.h"
 #include "config_dialog.h"
-#include "wx_util.h"
-#include "editable_list.h"
-#include "filter_dialog.h"
-#include "dir_picker_ctrl.h"
-#include "isdcf_metadata_dialog.h"
-#include "preset_colour_conversion_dialog.h"
-#include "server_dialog.h"
-#include "make_signer_chain_dialog.h"
+#include "static_text.h"
+#include "check_box.h"
+#include "nag_dialog.h"
+#include "dcpomatic_button.h"
 
-using std::vector;
 using std::string;
-using std::list;
-using std::cout;
+using std::vector;
+using std::pair;
+using std::make_pair;
+using std::map;
 using boost::bind;
+using boost::optional;
 using boost::shared_ptr;
-using boost::lexical_cast;
+using boost::function;
 
-class Page
+static
+bool
+do_nothing ()
 {
-public:
-       Page (wxSize panel_size, int border)
-               : _border (border)
-               , _panel (0)
-               , _panel_size (panel_size)
-               , _window_exists (false)
-       {
-               _config_connection = Config::instance()->Changed.connect (boost::bind (&Page::config_changed_wrapper, this));
-       }
+       return false;
+}
 
-       virtual ~Page () {}
+Page::Page (wxSize panel_size, int border)
+       : _border (border)
+       , _panel (0)
+       , _panel_size (panel_size)
+       , _window_exists (false)
+{
+       _config_connection = Config::instance()->Changed.connect (bind (&Page::config_changed_wrapper, this));
+}
 
-protected:
-       wxWindow* create_window (wxWindow* parent)
-       {
-               _panel = new wxPanel (parent, wxID_ANY, wxDefaultPosition, _panel_size);
-               wxBoxSizer* s = new wxBoxSizer (wxVERTICAL);
-               _panel->SetSizer (s);
+wxWindow*
+Page::create_window (wxWindow* parent)
+{
+       _panel = new wxPanel (parent, wxID_ANY, wxDefaultPosition, _panel_size);
+       wxBoxSizer* s = new wxBoxSizer (wxVERTICAL);
+       _panel->SetSizer (s);
 
-               setup ();
-               _window_exists = true;
-               config_changed ();
+       setup ();
+       _window_exists = true;
+       config_changed ();
 
-               _panel->Bind (wxEVT_DESTROY, boost::bind (&Page::window_destroyed, this));
-               
-               return _panel;
-       }
-       
-       int _border;
-       wxPanel* _panel;
+       _panel->Bind (wxEVT_DESTROY, bind (&Page::window_destroyed, this));
 
-private:
-       virtual void config_changed () = 0;
-       virtual void setup () = 0;
+       return _panel;
+}
 
-       void config_changed_wrapper ()
-       {
-               if (_window_exists) {
-                       config_changed ();
-               }
+void
+Page::config_changed_wrapper ()
+{
+       if (_window_exists) {
+               config_changed ();
        }
+}
 
-       void window_destroyed ()
-       {
-               _window_exists = false;
-       }
+void
+Page::window_destroyed ()
+{
+       _window_exists = false;
+}
 
-       wxSize _panel_size;
-       boost::signals2::scoped_connection _config_connection;
-       bool _window_exists;
-};
 
-class StockPage : public wxStockPreferencesPage, public Page
+StockPage::StockPage (Kind kind, wxSize panel_size, int border)
+       : wxStockPreferencesPage (kind)
+       , Page (panel_size, border)
 {
-public:
-       StockPage (Kind kind, wxSize panel_size, int border)
-               : wxStockPreferencesPage (kind)
-               , Page (panel_size, border)
-       {}
 
-       wxWindow* CreateWindow (wxWindow* parent)
-       {
-               return create_window (parent);
-       }
-};
+}
 
-class StandardPage : public wxPreferencesPage, public Page
+wxWindow*
+StockPage::CreateWindow (wxWindow* parent)
 {
-public:
-       StandardPage (wxSize panel_size, int border)
-               : Page (panel_size, border)
-       {}
+       return create_window (parent);
+}
 
-       wxWindow* CreateWindow (wxWindow* parent)
-       {
-               return create_window (parent);
-       }
-};
+StandardPage::StandardPage (wxSize panel_size, int border)
+       : Page (panel_size, border)
+{
 
-class GeneralPage : public StockPage
+}
+
+wxWindow*
+StandardPage::CreateWindow (wxWindow* parent)
 {
-public:
-       GeneralPage (wxSize panel_size, int border)
-               : StockPage (Kind_General, panel_size, border)
-       {}
+       return create_window (parent);
+}
 
-private:       
-       void setup ()
-       {
-               wxFlexGridSizer* table = new wxFlexGridSizer (2, DCPOMATIC_SIZER_X_GAP, DCPOMATIC_SIZER_Y_GAP);
-               table->AddGrowableCol (1, 1);
-               _panel->GetSizer()->Add (table, 1, wxALL | wxEXPAND, _border);
-               
-               _set_language = new wxCheckBox (_panel, wxID_ANY, _("Set language"));
-               table->Add (_set_language, 1);
-               _language = new wxChoice (_panel, wxID_ANY);
-               _language->Append (wxT ("Deutsch"));
-               _language->Append (wxT ("English"));
-               _language->Append (wxT ("Español"));
-               _language->Append (wxT ("Français"));
-               _language->Append (wxT ("Italiano"));
-               _language->Append (wxT ("Nederlands"));
-               _language->Append (wxT ("Svenska"));
-               table->Add (_language);
-               
-               wxStaticText* restart = add_label_to_sizer (table, _panel, _("(restart DCP-o-matic to see language changes)"), false);
-               wxFont font = restart->GetFont();
-               font.SetStyle (wxFONTSTYLE_ITALIC);
-               font.SetPointSize (font.GetPointSize() - 1);
-               restart->SetFont (font);
-               table->AddSpacer (0);
-               
-               add_label_to_sizer (table, _panel, _("Threads to use for encoding on this host"), true);
-               _num_local_encoding_threads = new wxSpinCtrl (_panel);
-               table->Add (_num_local_encoding_threads, 1);
-
-               _check_for_updates = new wxCheckBox (_panel, wxID_ANY, _("Check for updates on startup"));
-               table->Add (_check_for_updates, 1, wxEXPAND | wxALL);
-               table->AddSpacer (0);
-               
-               _check_for_test_updates = new wxCheckBox (_panel, wxID_ANY, _("Check for testing updates as well as stable ones"));
-               table->Add (_check_for_test_updates, 1, wxEXPAND | wxALL);
-               table->AddSpacer (0);
-
-               _set_language->Bind (wxEVT_COMMAND_CHECKBOX_CLICKED, boost::bind (&GeneralPage::set_language_changed, this));
-               _language->Bind     (wxEVT_COMMAND_CHOICE_SELECTED,  boost::bind (&GeneralPage::language_changed,     this));
-               
-               _num_local_encoding_threads->SetRange (1, 128);
-               _num_local_encoding_threads->Bind (wxEVT_COMMAND_SPINCTRL_UPDATED, boost::bind (&GeneralPage::num_local_encoding_threads_changed, this));
-
-               _check_for_updates->Bind (wxEVT_COMMAND_CHECKBOX_CLICKED, boost::bind (&GeneralPage::check_for_updates_changed, this));
-               _check_for_test_updates->Bind (wxEVT_COMMAND_CHECKBOX_CLICKED, boost::bind (&GeneralPage::check_for_test_updates_changed, this));
-       }
+GeneralPage::GeneralPage (wxSize panel_size, int border)
+       : StockPage (Kind_General, panel_size, border)
+{
 
-       void config_changed ()
-       {
-               Config* config = Config::instance ();
-               
-               _set_language->SetValue (config->language ());
-               
-               if (config->language().get_value_or ("") == "fr") {
-                       _language->SetSelection (3);
-               } else if (config->language().get_value_or ("") == "it") {
-                       _language->SetSelection (4);
-               } else if (config->language().get_value_or ("") == "es") {
-                       _language->SetSelection (2);
-               } else if (config->language().get_value_or ("") == "sv") {
-                       _language->SetSelection (6);
-               } else if (config->language().get_value_or ("") == "de") {
-                       _language->SetSelection (0);
-               } else if (config->language().get_value_or ("") == "nl") {
-                       _language->SetSelection (5);
-               } else {
-                       _language->SetSelection (1);
-               }
+}
 
-               setup_language_sensitivity ();
-               
-               _num_local_encoding_threads->SetValue (config->num_local_encoding_threads ());
-               _check_for_updates->SetValue (config->check_for_updates ());
-               _check_for_test_updates->SetValue (config->check_for_test_updates ());
-       }
+void
+GeneralPage::add_language_controls (wxGridBagSizer* table, int& r)
+{
+       _set_language = new CheckBox (_panel, _("Set language"));
+       table->Add (_set_language, wxGBPosition (r, 0), wxDefaultSpan, wxALIGN_CENTER_VERTICAL);
+       _language = new wxChoice (_panel, wxID_ANY);
+       vector<pair<string, string> > languages;
+       languages.push_back (make_pair ("Čeština", "cs_CZ"));
+       languages.push_back (make_pair ("汉语/漢語", "zh_CN"));
+       languages.push_back (make_pair ("Dansk", "da_DK"));
+       languages.push_back (make_pair ("Deutsch", "de_DE"));
+       languages.push_back (make_pair ("English", "en_GB"));
+       languages.push_back (make_pair ("Español", "es_ES"));
+       languages.push_back (make_pair ("Français", "fr_FR"));
+       languages.push_back (make_pair ("Italiano", "it_IT"));
+       languages.push_back (make_pair ("Nederlands", "nl_NL"));
+       languages.push_back (make_pair ("Русский", "ru_RU"));
+       languages.push_back (make_pair ("Polski", "pl_PL"));
+       languages.push_back (make_pair ("Português europeu", "pt_PT"));
+       languages.push_back (make_pair ("Português do Brasil", "pt_BR"));
+       languages.push_back (make_pair ("Svenska", "sv_SE"));
+       languages.push_back (make_pair ("Slovenský jazyk", "sk_SK"));
+       languages.push_back (make_pair ("українська мова", "uk_UA"));
+       checked_set (_language, languages);
+       table->Add (_language, wxGBPosition (r, 1));
+       ++r;
+
+       wxStaticText* restart = add_label_to_sizer (
+               table, _panel, _("(restart DCP-o-matic to see language changes)"), false, wxGBPosition (r, 0), wxGBSpan (1, 2)
+               );
+       wxFont font = restart->GetFont();
+       font.SetStyle (wxFONTSTYLE_ITALIC);
+       font.SetPointSize (font.GetPointSize() - 1);
+       restart->SetFont (font);
+       ++r;
+
+       _set_language->Bind (wxEVT_CHECKBOX, bind (&GeneralPage::set_language_changed, this));
+       _language->Bind     (wxEVT_CHOICE,   bind (&GeneralPage::language_changed,     this));
+}
 
-       void setup_language_sensitivity ()
-       {
-               _language->Enable (_set_language->GetValue ());
-       }
+void
+GeneralPage::add_play_sound_controls (wxGridBagSizer* table, int& r)
+{
+       _sound = new CheckBox (_panel, _("Play sound via"));
+       table->Add (_sound, wxGBPosition (r, 0), wxDefaultSpan, wxALIGN_CENTER_VERTICAL);
+       _sound_output = new wxChoice (_panel, wxID_ANY);
+       table->Add (_sound_output, wxGBPosition (r, 1));
+       ++r;
 
-       void set_language_changed ()
-       {
-               setup_language_sensitivity ();
-               if (_set_language->GetValue ()) {
-                       language_changed ();
-               } else {
-                       Config::instance()->unset_language ();
+       RtAudio audio (DCPOMATIC_RTAUDIO_API);
+       for (unsigned int i = 0; i < audio.getDeviceCount(); ++i) {
+               RtAudio::DeviceInfo dev = audio.getDeviceInfo (i);
+               if (dev.probed && dev.outputChannels > 0) {
+                       _sound_output->Append (std_to_wx (dev.name));
                }
        }
 
-       void language_changed ()
-       {
-               switch (_language->GetSelection ()) {
-               case 0:
-                       Config::instance()->set_language ("de");
-                       break;
-               case 1:
-                       Config::instance()->set_language ("en");
-                       break;
-               case 2:
-                       Config::instance()->set_language ("es");
-                       break;
-               case 3:
-                       Config::instance()->set_language ("fr");
-                       break;
-               case 4:
-                       Config::instance()->set_language ("it");
-                       break;
-               case 5:
-                       Config::instance()->set_language ("nl");
-                       break;
-               case 6:
-                       Config::instance()->set_language ("sv");
-                       break;
-               }
-       }
-       
-       void check_for_updates_changed ()
-       {
-               Config::instance()->set_check_for_updates (_check_for_updates->GetValue ());
-       }
-       
-       void check_for_test_updates_changed ()
-       {
-               Config::instance()->set_check_for_test_updates (_check_for_test_updates->GetValue ());
-       }
+       _sound->Bind        (wxEVT_CHECKBOX, bind (&GeneralPage::sound_changed, this));
+       _sound_output->Bind (wxEVT_CHOICE,   bind (&GeneralPage::sound_output_changed, this));
+}
 
-       void num_local_encoding_threads_changed ()
-       {
-               Config::instance()->set_num_local_encoding_threads (_num_local_encoding_threads->GetValue ());
-       }
+void
+GeneralPage::add_update_controls (wxGridBagSizer* table, int& r)
+{
+       _check_for_updates = new CheckBox (_panel, _("Check for updates on startup"));
+       table->Add (_check_for_updates, wxGBPosition (r, 0), wxGBSpan (1, 2));
+       ++r;
+
+       _check_for_test_updates = new CheckBox (_panel, _("Check for testing updates on startup"));
+       table->Add (_check_for_test_updates, wxGBPosition (r, 0), wxGBSpan (1, 2));
+       ++r;
 
-       wxCheckBox* _set_language;
-       wxChoice* _language;
-       wxSpinCtrl* _num_local_encoding_threads;
-       wxCheckBox* _check_for_updates;
-       wxCheckBox* _check_for_test_updates;
-};
+       _check_for_updates->Bind (wxEVT_CHECKBOX, bind (&GeneralPage::check_for_updates_changed, this));
+       _check_for_test_updates->Bind (wxEVT_CHECKBOX, bind (&GeneralPage::check_for_test_updates_changed, this));
+}
 
-class DefaultsPage : public StandardPage
+void
+GeneralPage::config_changed ()
 {
-public:
-       DefaultsPage (wxSize panel_size, int border)
-               : StandardPage (panel_size, border)
-       {}
-       
-       wxString GetName () const
-       {
-               return _("Defaults");
-       }
+       Config* config = Config::instance ();
 
-#ifdef DCPOMATIC_OSX   
-       wxBitmap GetLargeIcon () const
-       {
-               return wxBitmap ("defaults", wxBITMAP_TYPE_PNG_RESOURCE);
-       }
-#endif 
+       checked_set (_set_language, static_cast<bool>(config->language()));
 
-private:       
-       void setup ()
-       {
-               wxFlexGridSizer* table = new wxFlexGridSizer (2, DCPOMATIC_SIZER_X_GAP, DCPOMATIC_SIZER_Y_GAP);
-               table->AddGrowableCol (1, 1);
-               _panel->GetSizer()->Add (table, 1, wxALL | wxEXPAND, _border);
-               
-               {
-                       add_label_to_sizer (table, _panel, _("Default duration of still images"), true);
-                       wxBoxSizer* s = new wxBoxSizer (wxHORIZONTAL);
-                       _still_length = new wxSpinCtrl (_panel);
-                       s->Add (_still_length);
-                       add_label_to_sizer (s, _panel, _("s"), false);
-                       table->Add (s, 1);
-               }
-               
-               add_label_to_sizer (table, _panel, _("Default directory for new films"), true);
-#ifdef DCPOMATIC_USE_OWN_DIR_PICKER
-               _directory = new DirPickerCtrl (_panel);
-#else  
-               _directory = new wxDirPickerCtrl (_panel, wxDD_DIR_MUST_EXIST);
-#endif
-               table->Add (_directory, 1, wxEXPAND);
-               
-               add_label_to_sizer (table, _panel, _("Default ISDCF name details"), true);
-               _isdcf_metadata_button = new wxButton (_panel, wxID_ANY, _("Edit..."));
-               table->Add (_isdcf_metadata_button);
-
-               add_label_to_sizer (table, _panel, _("Default container"), true);
-               _container = new wxChoice (_panel, wxID_ANY);
-               table->Add (_container);
-               
-               add_label_to_sizer (table, _panel, _("Default content type"), true);
-               _dcp_content_type = new wxChoice (_panel, wxID_ANY);
-               table->Add (_dcp_content_type);
-               
-               {
-                       add_label_to_sizer (table, _panel, _("Default JPEG2000 bandwidth"), true);
-                       wxBoxSizer* s = new wxBoxSizer (wxHORIZONTAL);
-                       _j2k_bandwidth = new wxSpinCtrl (_panel);
-                       s->Add (_j2k_bandwidth);
-                       add_label_to_sizer (s, _panel, _("Mbit/s"), false);
-                       table->Add (s, 1);
-               }
-               
-               {
-                       add_label_to_sizer (table, _panel, _("Default audio delay"), true);
-                       wxBoxSizer* s = new wxBoxSizer (wxHORIZONTAL);
-                       _audio_delay = new wxSpinCtrl (_panel);
-                       s->Add (_audio_delay);
-                       add_label_to_sizer (s, _panel, _("ms"), false);
-                       table->Add (s, 1);
-               }
+       /* Backwards compatibility of config file */
 
-               add_label_to_sizer (table, _panel, _("Default issuer"), true);
-               _issuer = new wxTextCtrl (_panel, wxID_ANY);
-               table->Add (_issuer, 1, wxEXPAND);
-
-               _still_length->SetRange (1, 3600);
-               _still_length->Bind (wxEVT_COMMAND_SPINCTRL_UPDATED, boost::bind (&DefaultsPage::still_length_changed, this));
-               
-               _directory->Bind (wxEVT_COMMAND_DIRPICKER_CHANGED, boost::bind (&DefaultsPage::directory_changed, this));
-               
-               _isdcf_metadata_button->Bind (wxEVT_COMMAND_BUTTON_CLICKED, boost::bind (&DefaultsPage::edit_isdcf_metadata_clicked, this));
-               
-               vector<Ratio const *> ratios = Ratio::all ();
-               for (size_t i = 0; i < ratios.size(); ++i) {
-                       _container->Append (std_to_wx (ratios[i]->nickname ()));
-               }
-               
-               _container->Bind (wxEVT_COMMAND_CHOICE_SELECTED, boost::bind (&DefaultsPage::container_changed, this));
-               
-               vector<DCPContentType const *> const ct = DCPContentType::all ();
-               for (size_t i = 0; i < ct.size(); ++i) {
-                       _dcp_content_type->Append (std_to_wx (ct[i]->pretty_name ()));
-               }
-               
-               _dcp_content_type->Bind (wxEVT_COMMAND_CHOICE_SELECTED, boost::bind (&DefaultsPage::dcp_content_type_changed, this));
-               
-               _j2k_bandwidth->SetRange (50, 250);
-               _j2k_bandwidth->Bind (wxEVT_COMMAND_SPINCTRL_UPDATED, boost::bind (&DefaultsPage::j2k_bandwidth_changed, this));
-               
-               _audio_delay->SetRange (-1000, 1000);
-               _audio_delay->Bind (wxEVT_COMMAND_SPINCTRL_UPDATED, boost::bind (&DefaultsPage::audio_delay_changed, this));
-
-               _issuer->Bind (wxEVT_COMMAND_TEXT_UPDATED, boost::bind (&DefaultsPage::issuer_changed, this));
+       map<string, string> compat_map;
+       compat_map["fr"] = "fr_FR";
+       compat_map["it"] = "it_IT";
+       compat_map["es"] = "es_ES";
+       compat_map["sv"] = "sv_SE";
+       compat_map["de"] = "de_DE";
+       compat_map["nl"] = "nl_NL";
+       compat_map["ru"] = "ru_RU";
+       compat_map["pl"] = "pl_PL";
+       compat_map["da"] = "da_DK";
+       compat_map["pt"] = "pt_PT";
+       compat_map["sk"] = "sk_SK";
+       compat_map["cs"] = "cs_CZ";
+       compat_map["uk"] = "uk_UA";
+
+       string lang = config->language().get_value_or ("en_GB");
+       if (compat_map.find (lang) != compat_map.end ()) {
+               lang = compat_map[lang];
        }
 
-       void config_changed ()
-       {
-               Config* config = Config::instance ();
+       checked_set (_language, lang);
 
-               vector<Ratio const *> ratios = Ratio::all ();
-               for (size_t i = 0; i < ratios.size(); ++i) {
-                       if (ratios[i] == config->default_container ()) {
-                               _container->SetSelection (i);
-                       }
+       checked_set (_check_for_updates, config->check_for_updates ());
+       checked_set (_check_for_test_updates, config->check_for_test_updates ());
+
+       checked_set (_sound, config->sound ());
+
+       optional<string> const current_so = get_sound_output ();
+       optional<string> configured_so;
+
+       if (config->sound_output()) {
+               configured_so = config->sound_output().get();
+       } else {
+               /* No configured output means we should use the default */
+               RtAudio audio (DCPOMATIC_RTAUDIO_API);
+               try {
+                       configured_so = audio.getDeviceInfo(audio.getDefaultOutputDevice()).name;
+               } catch (RtAudioError& e) {
+                       /* Probably no audio devices at all */
                }
+       }
 
-               vector<DCPContentType const *> const ct = DCPContentType::all ();
-               for (size_t i = 0; i < ct.size(); ++i) {
-                       if (ct[i] == config->default_dcp_content_type ()) {
-                               _dcp_content_type->SetSelection (i);
+       if (configured_so && current_so != configured_so) {
+               /* Update _sound_output with the configured value */
+               unsigned int i = 0;
+               while (i < _sound_output->GetCount()) {
+                       if (_sound_output->GetString(i) == std_to_wx(*configured_so)) {
+                               _sound_output->SetSelection (i);
+                               break;
                        }
+                       ++i;
                }
-               
-               _still_length->SetValue (config->default_still_length ());
-               _directory->SetPath (std_to_wx (config->default_directory_or (wx_to_std (wxStandardPaths::Get().GetDocumentsDir())).string ()));
-               _j2k_bandwidth->SetValue (config->default_j2k_bandwidth() / 1000000);
-               _j2k_bandwidth->SetRange (50, config->maximum_j2k_bandwidth() / 1000000);
-               _audio_delay->SetValue (config->default_audio_delay ());
-               _issuer->SetValue (std_to_wx (config->dcp_issuer ()));
-       }
-               
-       void j2k_bandwidth_changed ()
-       {
-               Config::instance()->set_default_j2k_bandwidth (_j2k_bandwidth->GetValue() * 1000000);
-       }
-       
-       void audio_delay_changed ()
-       {
-               Config::instance()->set_default_audio_delay (_audio_delay->GetValue());
        }
 
-       void directory_changed ()
-       {
-               Config::instance()->set_default_directory (wx_to_std (_directory->GetPath ()));
-       }
+       setup_sensitivity ();
+}
 
-       void edit_isdcf_metadata_clicked ()
-       {
-               ISDCFMetadataDialog* d = new ISDCFMetadataDialog (_panel, Config::instance()->default_isdcf_metadata ());
-               d->ShowModal ();
-               Config::instance()->set_default_isdcf_metadata (d->isdcf_metadata ());
-               d->Destroy ();
-       }
+void
+GeneralPage::setup_sensitivity ()
+{
+       _language->Enable (_set_language->GetValue ());
+       _check_for_test_updates->Enable (_check_for_updates->GetValue ());
+       _sound_output->Enable (_sound->GetValue ());
+}
 
-       void still_length_changed ()
-       {
-               Config::instance()->set_default_still_length (_still_length->GetValue ());
+/** @return Currently-selected preview sound output in the dialogue */
+optional<string>
+GeneralPage::get_sound_output ()
+{
+       int const sel = _sound_output->GetSelection ();
+       if (sel == wxNOT_FOUND) {
+               return optional<string> ();
        }
 
-       void container_changed ()
-       {
-               vector<Ratio const *> ratio = Ratio::all ();
-               Config::instance()->set_default_container (ratio[_container->GetSelection()]);
-       }
-       
-       void dcp_content_type_changed ()
-       {
-               vector<DCPContentType const *> ct = DCPContentType::all ();
-               Config::instance()->set_default_dcp_content_type (ct[_dcp_content_type->GetSelection()]);
-       }
+       return wx_to_std (_sound_output->GetString (sel));
+}
 
-       void issuer_changed ()
-       {
-               Config::instance()->set_dcp_issuer (wx_to_std (_issuer->GetValue ()));
-       }
-       
-       wxSpinCtrl* _j2k_bandwidth;
-       wxSpinCtrl* _audio_delay;
-       wxButton* _isdcf_metadata_button;
-       wxSpinCtrl* _still_length;
-#ifdef DCPOMATIC_USE_OWN_DIR_PICKER
-       DirPickerCtrl* _directory;
-#else
-       wxDirPickerCtrl* _directory;
-#endif
-       wxChoice* _container;
-       wxChoice* _dcp_content_type;
-       wxTextCtrl* _issuer;
-};
-
-class EncodingServersPage : public StandardPage
+void
+GeneralPage::set_language_changed ()
 {
-public:
-       EncodingServersPage (wxSize panel_size, int border)
-               : StandardPage (panel_size, border)
-       {}
-       
-       wxString GetName () const
-       {
-               return _("Servers");
+       setup_sensitivity ();
+       if (_set_language->GetValue ()) {
+               language_changed ();
+       } else {
+               Config::instance()->unset_language ();
        }
+}
 
-#ifdef DCPOMATIC_OSX   
-       wxBitmap GetLargeIcon () const
-       {
-               return wxBitmap ("servers", wxBITMAP_TYPE_PNG_RESOURCE);
+void
+GeneralPage::language_changed ()
+{
+       int const sel = _language->GetSelection ();
+       if (sel != -1) {
+               Config::instance()->set_language (string_client_data (_language->GetClientObject (sel)));
+       } else {
+               Config::instance()->unset_language ();
        }
-#endif 
+}
 
-private:       
-       void setup ()
-       {
-               _use_any_servers = new wxCheckBox (_panel, wxID_ANY, _("Use all servers"));
-               _panel->GetSizer()->Add (_use_any_servers, 0, wxALL, _border);
-               
-               vector<string> columns;
-               columns.push_back (wx_to_std (_("IP address / host name")));
-               _servers_list = new EditableList<string, ServerDialog> (
-                       _panel,
-                       columns,
-                       boost::bind (&Config::servers, Config::instance()),
-                       boost::bind (&Config::set_servers, Config::instance(), _1),
-                       boost::bind (&EncodingServersPage::server_column, this, _1)
-                       );
-               
-               _panel->GetSizer()->Add (_servers_list, 1, wxEXPAND | wxALL, _border);
-               
-               _use_any_servers->Bind (wxEVT_COMMAND_CHECKBOX_CLICKED, boost::bind (&EncodingServersPage::use_any_servers_changed, this));
-       }
+void
+GeneralPage::check_for_updates_changed ()
+{
+       Config::instance()->set_check_for_updates (_check_for_updates->GetValue ());
+}
 
-       void config_changed ()
-       {
-               _use_any_servers->SetValue (Config::instance()->use_any_servers ());
-               _servers_list->refresh ();
-       }
-       
-       void use_any_servers_changed ()
-       {
-               Config::instance()->set_use_any_servers (_use_any_servers->GetValue ());
-       }
+void
+GeneralPage::check_for_test_updates_changed ()
+{
+       Config::instance()->set_check_for_test_updates (_check_for_test_updates->GetValue ());
+}
 
-       string server_column (string s)
-       {
-               return s;
-       }
+void
+GeneralPage::sound_changed ()
+{
+       Config::instance()->set_sound (_sound->GetValue ());
+}
 
-       wxCheckBox* _use_any_servers;
-       EditableList<string, ServerDialog>* _servers_list;
-};
+void
+GeneralPage::sound_output_changed ()
+{
+       RtAudio audio (DCPOMATIC_RTAUDIO_API);
+       optional<string> const so = get_sound_output();
+       if (!so || *so == audio.getDeviceInfo(audio.getDefaultOutputDevice()).name) {
+               Config::instance()->unset_sound_output ();
+       } else {
+               Config::instance()->set_sound_output (*so);
+       }
+}
 
-class ColourConversionsPage : public StandardPage
+CertificateChainEditor::CertificateChainEditor (
+       wxWindow* parent,
+       wxString title,
+       int border,
+       function<void (shared_ptr<dcp::CertificateChain>)> set,
+       function<shared_ptr<const dcp::CertificateChain> (void)> get,
+       function<bool (void)> nag_remake
+       )
+       : wxDialog (parent, wxID_ANY, title)
+       , _set (set)
+       , _get (get)
+       , _nag_remake (nag_remake)
 {
-public:
-       ColourConversionsPage (wxSize panel_size, int border)
-               : StandardPage (panel_size, border)
-       {}
-       
-       wxString GetName () const
+       wxFont subheading_font (*wxNORMAL_FONT);
+       subheading_font.SetWeight (wxFONTWEIGHT_BOLD);
+
+       _sizer = new wxBoxSizer (wxVERTICAL);
+
        {
-               return _("Colour Conversions");
+               wxStaticText* m = new StaticText (this, title);
+               m->SetFont (subheading_font);
+               _sizer->Add (m, 0, wxALL, border);
        }
 
-#ifdef DCPOMATIC_OSX   
-       wxBitmap GetLargeIcon () const
+       wxBoxSizer* certificates_sizer = new wxBoxSizer (wxHORIZONTAL);
+       _sizer->Add (certificates_sizer, 0, wxLEFT | wxRIGHT, border);
+
+       _certificates = new wxListCtrl (this, wxID_ANY, wxDefaultPosition, wxSize (440, 150), wxLC_REPORT | wxLC_SINGLE_SEL);
+
        {
-               return wxBitmap ("colour_conversions", wxBITMAP_TYPE_PNG_RESOURCE);
+               wxListItem ip;
+               ip.SetId (0);
+               ip.SetText (_("Type"));
+               ip.SetWidth (100);
+               _certificates->InsertColumn (0, ip);
        }
-#endif
 
-private:       
-       void setup ()
        {
-               vector<string> columns;
-               columns.push_back (wx_to_std (_("Name")));
-               _list = new EditableList<PresetColourConversion, PresetColourConversionDialog> (
-                       _panel,
-                       columns,
-                       boost::bind (&Config::colour_conversions, Config::instance()),
-                       boost::bind (&Config::set_colour_conversions, Config::instance(), _1),
-                       boost::bind (&ColourConversionsPage::colour_conversion_column, this, _1),
-                       300
-                       );
+               wxListItem ip;
+               ip.SetId (1);
+               ip.SetText (_("Thumbprint"));
+               ip.SetWidth (340);
+
+               wxFont font = ip.GetFont ();
+               font.SetFamily (wxFONTFAMILY_TELETYPE);
+               ip.SetFont (font);
 
-               _panel->GetSizer()->Add (_list, 1, wxEXPAND | wxALL, _border);
+               _certificates->InsertColumn (1, ip);
        }
 
-       void config_changed ()
+       certificates_sizer->Add (_certificates, 1, wxEXPAND);
+
        {
-               _list->refresh ();
+               wxSizer* s = new wxBoxSizer (wxVERTICAL);
+               _add_certificate = new Button (this, _("Add..."));
+               s->Add (_add_certificate, 0, wxTOP | wxBOTTOM, DCPOMATIC_BUTTON_STACK_GAP);
+               _remove_certificate = new Button (this, _("Remove"));
+               s->Add (_remove_certificate, 0, wxTOP | wxBOTTOM, DCPOMATIC_BUTTON_STACK_GAP);
+               _export_certificate = new Button (this, _("Export"));
+               s->Add (_export_certificate, 0, wxTOP | wxBOTTOM, DCPOMATIC_BUTTON_STACK_GAP);
+               certificates_sizer->Add (s, 0, wxLEFT, DCPOMATIC_SIZER_X_GAP);
        }
 
-       string colour_conversion_column (PresetColourConversion c)
-       {
-               return c.name;
+       wxGridBagSizer* table = new wxGridBagSizer (DCPOMATIC_SIZER_X_GAP, DCPOMATIC_SIZER_Y_GAP);
+       _sizer->Add (table, 1, wxALL | wxEXPAND, border);
+       int r = 0;
+
+       add_label_to_sizer (table, this, _("Leaf private key"), true, wxGBPosition (r, 0));
+       _private_key = new StaticText (this, wxT(""));
+       wxFont font = _private_key->GetFont ();
+       font.SetFamily (wxFONTFAMILY_TELETYPE);
+       _private_key->SetFont (font);
+       table->Add (_private_key, wxGBPosition (r, 1), wxDefaultSpan, wxALIGN_CENTER_VERTICAL);
+       _import_private_key = new Button (this, _("Import..."));
+       table->Add (_import_private_key, wxGBPosition (r, 2));
+       _export_private_key = new Button (this, _("Export..."));
+       table->Add (_export_private_key, wxGBPosition (r, 3));
+       ++r;
+
+       _button_sizer = new wxBoxSizer (wxHORIZONTAL);
+       _remake_certificates = new Button (this, _("Re-make certificates and key..."));
+       _button_sizer->Add (_remake_certificates, 1, wxRIGHT, border);
+       table->Add (_button_sizer, wxGBPosition (r, 0), wxGBSpan (1, 4));
+       ++r;
+
+       _private_key_bad = new StaticText (this, _("Leaf private key does not match leaf certificate!"));
+       font = *wxSMALL_FONT;
+       font.SetWeight (wxFONTWEIGHT_BOLD);
+       _private_key_bad->SetFont (font);
+       table->Add (_private_key_bad, wxGBPosition (r, 0), wxGBSpan (1, 3));
+       ++r;
+
+       _add_certificate->Bind     (wxEVT_BUTTON,       bind (&CertificateChainEditor::add_certificate, this));
+       _remove_certificate->Bind  (wxEVT_BUTTON,       bind (&CertificateChainEditor::remove_certificate, this));
+       _export_certificate->Bind  (wxEVT_BUTTON,       bind (&CertificateChainEditor::export_certificate, this));
+       _certificates->Bind        (wxEVT_LIST_ITEM_SELECTED,   bind (&CertificateChainEditor::update_sensitivity, this));
+       _certificates->Bind        (wxEVT_LIST_ITEM_DESELECTED, bind (&CertificateChainEditor::update_sensitivity, this));
+       _remake_certificates->Bind (wxEVT_BUTTON,       bind (&CertificateChainEditor::remake_certificates, this));
+       _import_private_key->Bind  (wxEVT_BUTTON,       bind (&CertificateChainEditor::import_private_key, this));
+       _export_private_key->Bind  (wxEVT_BUTTON,       bind (&CertificateChainEditor::export_private_key, this));
+
+       wxSizer* buttons = CreateSeparatedButtonSizer (wxCLOSE);
+       if (buttons) {
+               _sizer->Add (buttons, wxSizerFlags().Expand().DoubleBorder());
        }
 
-       EditableList<PresetColourConversion, PresetColourConversionDialog>* _list;
-};
+       SetSizerAndFit (_sizer);
 
-class KeysPage : public StandardPage
+       update_certificate_list ();
+       update_private_key ();
+       update_sensitivity ();
+}
+
+void
+CertificateChainEditor::add_button (wxWindow* button)
 {
-public:
-       KeysPage (wxSize panel_size, int border)
-               : StandardPage (panel_size, border)
-       {}
+       _button_sizer->Add (button, 0, wxLEFT | wxRIGHT, DCPOMATIC_SIZER_X_GAP);
+       _sizer->Layout ();
+}
 
-       wxString GetName () const
-       {
-               return _("Keys");
+void
+CertificateChainEditor::add_certificate ()
+{
+       wxFileDialog* d = new wxFileDialog (this, _("Select Certificate File"));
+
+       if (d->ShowModal() == wxID_OK) {
+               try {
+                       dcp::Certificate c;
+                       string extra;
+                       try {
+                               extra = c.read_string (dcp::file_to_string (wx_to_std (d->GetPath ())));
+                       } catch (boost::filesystem::filesystem_error& e) {
+                               error_dialog (this, _("Could not import certificate (%s)"), d->GetPath());
+                               d->Destroy ();
+                               return;
+                       }
+
+                       if (!extra.empty ()) {
+                               message_dialog (
+                                       this,
+                                       _("This file contains other certificates (or other data) after its first certificate. "
+                                         "Only the first certificate will be used.")
+                                       );
+                       }
+                       shared_ptr<dcp::CertificateChain> chain(new dcp::CertificateChain(*_get().get()));
+                       chain->add (c);
+                       if (!chain->chain_valid ()) {
+                               error_dialog (
+                                       this,
+                                       _("Adding this certificate would make the chain inconsistent, so it will not be added. "
+                                         "Add certificates in order from root to intermediate to leaf.")
+                                       );
+                               chain->remove (c);
+                       } else {
+                               _set (chain);
+                               update_certificate_list ();
+                       }
+               } catch (dcp::MiscError& e) {
+                       error_dialog (this, _("Could not read certificate file."), std_to_wx(e.what()));
+               }
        }
 
-#ifdef DCPOMATIC_OSX
-       wxBitmap GetLargeIcon () const
-       {
-               return wxBitmap ("keys", wxBITMAP_TYPE_PNG_RESOURCE);
+       d->Destroy ();
+
+       update_sensitivity ();
+}
+
+void
+CertificateChainEditor::remove_certificate ()
+{
+       int i = _certificates->GetNextItem (-1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED);
+       if (i == -1) {
+               return;
        }
-#endif 
 
-private:
-       void setup ()
-       {
-               wxStaticText* m = new wxStaticText (_panel, wxID_ANY, _("Certificate chain for signing DCPs and KDMs:"));
-               _panel->GetSizer()->Add (m, 0, wxALL, _border);
-               
-               wxBoxSizer* certificates_sizer = new wxBoxSizer (wxHORIZONTAL);
-               _panel->GetSizer()->Add (certificates_sizer, 0, wxLEFT | wxRIGHT, _border);
-               
-               _certificates = new wxListCtrl (_panel, wxID_ANY, wxDefaultPosition, wxSize (400, 200), wxLC_REPORT | wxLC_SINGLE_SEL);
-
-               {
-                       wxListItem ip;
-                       ip.SetId (0);
-                       ip.SetText (_("Type"));
-                       ip.SetWidth (100);
-                       _certificates->InsertColumn (0, ip);
-               }
+       _certificates->DeleteItem (i);
+       shared_ptr<dcp::CertificateChain> chain(new dcp::CertificateChain(*_get().get()));
+       chain->remove (i);
+       _set (chain);
 
-               {
-                       wxListItem ip;
-                       ip.SetId (1);
-                       ip.SetText (_("Thumbprint"));
-                       ip.SetWidth (300);
-
-                       wxFont font = ip.GetFont ();
-                       font.SetFamily (wxFONTFAMILY_TELETYPE);
-                       ip.SetFont (font);
-                       
-                       _certificates->InsertColumn (1, ip);
-               }
+       update_sensitivity ();
+}
 
-               certificates_sizer->Add (_certificates, 1, wxEXPAND);
+void
+CertificateChainEditor::export_certificate ()
+{
+       int i = _certificates->GetNextItem (-1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED);
+       if (i == -1) {
+               return;
+       }
 
-               {
-                       wxSizer* s = new wxBoxSizer (wxVERTICAL);
-                       _add_certificate = new wxButton (_panel, wxID_ANY, _("Add..."));
-                       s->Add (_add_certificate, 0, wxTOP | wxBOTTOM, DCPOMATIC_BUTTON_STACK_GAP);
-                       _remove_certificate = new wxButton (_panel, wxID_ANY, _("Remove"));
-                       s->Add (_remove_certificate, 0, wxTOP | wxBOTTOM, DCPOMATIC_BUTTON_STACK_GAP);
-                       certificates_sizer->Add (s, 0, wxLEFT, DCPOMATIC_SIZER_X_GAP);
-               }
+       wxFileDialog* d = new wxFileDialog (
+               this, _("Select Certificate File"), wxEmptyString, wxEmptyString, wxT ("PEM files (*.pem)|*.pem"),
+               wxFD_SAVE | wxFD_OVERWRITE_PROMPT
+               );
 
-               wxFlexGridSizer* table = new wxFlexGridSizer (2, DCPOMATIC_SIZER_X_GAP, DCPOMATIC_SIZER_Y_GAP);
-               table->AddGrowableCol (1, 1);
-               _panel->GetSizer()->Add (table, 1, wxALL | wxEXPAND, _border);
-
-               _remake_certificates = new wxButton (_panel, wxID_ANY, _("Re-make certificates..."));
-               table->Add (_remake_certificates, 0);
-               table->AddSpacer (0);
-
-               add_label_to_sizer (table, _panel, _("Private key for leaf certificate"), true);
-               {
-                       wxSizer* s = new wxBoxSizer (wxHORIZONTAL);
-                       _signer_private_key = new wxStaticText (_panel, wxID_ANY, wxT (""));
-                       wxFont font = _signer_private_key->GetFont ();
-                       font.SetFamily (wxFONTFAMILY_TELETYPE);
-                       _signer_private_key->SetFont (font);
-                       s->Add (_signer_private_key, 1, wxLEFT | wxRIGHT | wxALIGN_CENTER_VERTICAL, DCPOMATIC_SIZER_X_GAP);
-                       _load_signer_private_key = new wxButton (_panel, wxID_ANY, _("Load..."));
-                       s->Add (_load_signer_private_key, 0, wxLEFT, DCPOMATIC_SIZER_X_GAP);
-                       table->Add (s, 0);
-               }
+       dcp::CertificateChain::List all = _get()->root_to_leaf ();
+       dcp::CertificateChain::List::iterator j = all.begin ();
+       for (int k = 0; k < i; ++k) {
+               ++j;
+       }
 
-               add_label_to_sizer (table, _panel, _("Certificate for decrypting DCPs"), true);
-               {
-                       wxSizer* s = new wxBoxSizer (wxHORIZONTAL);
-                       _decryption_certificate = new wxStaticText (_panel, wxID_ANY, wxT (""));
-                       wxFont font = _decryption_certificate->GetFont ();
-                       font.SetFamily (wxFONTFAMILY_TELETYPE);
-                       _decryption_certificate->SetFont (font);
-                       s->Add (_decryption_certificate, 1, wxLEFT | wxRIGHT | wxALIGN_CENTER_VERTICAL, DCPOMATIC_SIZER_X_GAP);
-                       _load_decryption_certificate = new wxButton (_panel, wxID_ANY, _("Load..."));
-                       s->Add (_load_decryption_certificate, 0, wxLEFT, DCPOMATIC_SIZER_X_GAP);
-                       table->Add (s, 0);
+       if (d->ShowModal () == wxID_OK) {
+               boost::filesystem::path path (wx_to_std(d->GetPath()));
+               FILE* f = fopen_boost (path, "w");
+               if (!f) {
+                       throw OpenFileError (path, errno, false);
                }
 
-               add_label_to_sizer (table, _panel, _("Private key for decrypting DCPs"), true);
-               {
-                       wxSizer* s = new wxBoxSizer (wxHORIZONTAL);
-                       _decryption_private_key = new wxStaticText (_panel, wxID_ANY, wxT (""));
-                       wxFont font = _decryption_private_key->GetFont ();
-                       font.SetFamily (wxFONTFAMILY_TELETYPE);
-                       _decryption_private_key->SetFont (font);
-                       s->Add (_decryption_private_key, 1, wxLEFT | wxRIGHT | wxALIGN_CENTER_VERTICAL, DCPOMATIC_SIZER_X_GAP);
-                       _load_decryption_private_key = new wxButton (_panel, wxID_ANY, _("Load..."));
-                       s->Add (_load_decryption_private_key, 0, wxLEFT, DCPOMATIC_SIZER_X_GAP);
-                       table->Add (s, 0);
+               string const s = j->certificate (true);
+               fwrite (s.c_str(), 1, s.length(), f);
+               fclose (f);
+       }
+       d->Destroy ();
+}
+
+void
+CertificateChainEditor::update_certificate_list ()
+{
+       _certificates->DeleteAllItems ();
+       size_t n = 0;
+       dcp::CertificateChain::List certs = _get()->root_to_leaf ();
+       BOOST_FOREACH (dcp::Certificate const & i, certs) {
+               wxListItem item;
+               item.SetId (n);
+               _certificates->InsertItem (item);
+               _certificates->SetItem (n, 1, std_to_wx (i.thumbprint ()));
+
+               if (n == 0) {
+                       _certificates->SetItem (n, 0, _("Root"));
+               } else if (n == (certs.size() - 1)) {
+                       _certificates->SetItem (n, 0, _("Leaf"));
+               } else {
+                       _certificates->SetItem (n, 0, _("Intermediate"));
                }
 
-               _export_decryption_certificate = new wxButton (_panel, wxID_ANY, _("Export DCP decryption certificate..."));
-               table->Add (_export_decryption_certificate);
-               table->AddSpacer (0);
-               
-               _add_certificate->Bind (wxEVT_COMMAND_BUTTON_CLICKED, boost::bind (&KeysPage::add_certificate, this));
-               _remove_certificate->Bind (wxEVT_COMMAND_BUTTON_CLICKED, boost::bind (&KeysPage::remove_certificate, this));
-               _certificates->Bind (wxEVT_COMMAND_LIST_ITEM_SELECTED, boost::bind (&KeysPage::update_sensitivity, this));
-               _certificates->Bind (wxEVT_COMMAND_LIST_ITEM_DESELECTED, boost::bind (&KeysPage::update_sensitivity, this));
-               _remake_certificates->Bind (wxEVT_COMMAND_BUTTON_CLICKED, boost::bind (&KeysPage::remake_certificates, this));
-               _load_signer_private_key->Bind (wxEVT_COMMAND_BUTTON_CLICKED, boost::bind (&KeysPage::load_signer_private_key, this));
-               _load_decryption_certificate->Bind (wxEVT_COMMAND_BUTTON_CLICKED, boost::bind (&KeysPage::load_decryption_certificate, this));
-               _load_decryption_private_key->Bind (wxEVT_COMMAND_BUTTON_CLICKED, boost::bind (&KeysPage::load_decryption_private_key, this));
-               _export_decryption_certificate->Bind (wxEVT_COMMAND_BUTTON_CLICKED, boost::bind (&KeysPage::export_decryption_certificate, this));
+               ++n;
        }
 
-       void config_changed ()
-       {
-               _signer.reset (new dcp::Signer (*Config::instance()->signer().get ()));
+       static wxColour normal = _private_key_bad->GetForegroundColour ();
 
-               update_certificate_list ();
-               update_signer_private_key ();
-               update_decryption_certificate ();
-               update_decryption_private_key ();
-               update_sensitivity ();
+       if (_get()->private_key_valid()) {
+               _private_key_bad->Hide ();
+               _private_key_bad->SetForegroundColour (normal);
+       } else {
+               _private_key_bad->Show ();
+               _private_key_bad->SetForegroundColour (wxColour (255, 0, 0));
        }
-       
-       void add_certificate ()
-       {
-               wxFileDialog* d = new wxFileDialog (_panel, _("Select Certificate File"));
-               
-               if (d->ShowModal() == wxID_OK) {
-                       try {
-                               dcp::Certificate c (dcp::file_to_string (wx_to_std (d->GetPath ())));
-                               _signer->certificates().add (c);
-                               Config::instance()->set_signer (_signer);
-                               update_certificate_list ();
-                       } catch (dcp::MiscError& e) {
-                               error_dialog (_panel, wxString::Format (_("Could not read certificate file (%s)"), e.what ()));
-                       }
-               }
-               
-               d->Destroy ();
+}
 
-               update_sensitivity ();
-       }
+void
+CertificateChainEditor::remake_certificates ()
+{
+       shared_ptr<const dcp::CertificateChain> chain = _get();
 
-       void remove_certificate ()
-       {
-               int i = _certificates->GetNextItem (-1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED);
-               if (i == -1) {
-                       return;
-               }
-               
-               _certificates->DeleteItem (i);
-               _signer->certificates().remove (i);
-               Config::instance()->set_signer (_signer);
+       string subject_organization_name;
+       string subject_organizational_unit_name;
+       string root_common_name;
+       string intermediate_common_name;
+       string leaf_common_name;
+
+       dcp::CertificateChain::List all = chain->root_to_leaf ();
 
-               update_sensitivity ();
+       if (all.size() >= 1) {
+               /* Have a root */
+               subject_organization_name = chain->root().subject_organization_name ();
+               subject_organizational_unit_name = chain->root().subject_organizational_unit_name ();
+               root_common_name = chain->root().subject_common_name ();
        }
 
-       void update_certificate_list ()
-       {
-               _certificates->DeleteAllItems ();
-               dcp::CertificateChain::List certs = _signer->certificates().root_to_leaf ();
-               size_t n = 0;
-               for (dcp::CertificateChain::List::const_iterator i = certs.begin(); i != certs.end(); ++i) {
-                       wxListItem item;
-                       item.SetId (n);
-                       _certificates->InsertItem (item);
-                       _certificates->SetItem (n, 1, std_to_wx (i->thumbprint ()));
-
-                       if (n == 0) {
-                               _certificates->SetItem (n, 0, _("Root"));
-                       } else if (n == (certs.size() - 1)) {
-                               _certificates->SetItem (n, 0, _("Leaf"));
-                       } else {
-                               _certificates->SetItem (n, 0, _("Intermediate"));
-                       }
+       if (all.size() >= 2) {
+               /* Have a leaf */
+               leaf_common_name = chain->leaf().subject_common_name ();
+       }
 
-                       ++n;
-               }
+       if (all.size() >= 3) {
+               /* Have an intermediate */
+               dcp::CertificateChain::List::iterator i = all.begin ();
+               ++i;
+               intermediate_common_name = i->subject_common_name ();
        }
 
-       void remake_certificates ()
-       {
-               MakeSignerChainDialog* d = new MakeSignerChainDialog (_panel);
-               if (d->ShowModal () == wxID_OK) {
-                       _signer.reset (
-                               new dcp::Signer (
+       if (_nag_remake()) {
+               /* Cancel was clicked */
+               return;
+       }
+
+       MakeChainDialog* d = new MakeChainDialog (
+               this,
+               subject_organization_name,
+               subject_organizational_unit_name,
+               root_common_name,
+               intermediate_common_name,
+               leaf_common_name
+               );
+
+       if (d->ShowModal () == wxID_OK) {
+               _set (
+                       shared_ptr<dcp::CertificateChain> (
+                               new dcp::CertificateChain (
                                        openssl_path (),
                                        d->organisation (),
                                        d->organisational_unit (),
@@ -793,535 +633,281 @@ private:
                                        d->intermediate_common_name (),
                                        d->leaf_common_name ()
                                        )
-                               );
+                               )
+                       );
 
-                       Config::instance()->set_signer (_signer);
-                       update_certificate_list ();
-                       update_signer_private_key ();
-               }
-               
-               d->Destroy ();
+               update_certificate_list ();
+               update_private_key ();
        }
 
-       void update_sensitivity ()
-       {
-               _remove_certificate->Enable (_certificates->GetNextItem (-1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED) != -1);
-       }
+       d->Destroy ();
+}
 
-       void update_signer_private_key ()
-       {
-               _signer_private_key->SetLabel (std_to_wx (dcp::private_key_fingerprint (_signer->key ())));
-       }       
+void
+CertificateChainEditor::update_sensitivity ()
+{
+       /* We can only remove the leaf certificate */
+       _remove_certificate->Enable (_certificates->GetNextItem (-1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED) == (_certificates->GetItemCount() - 1));
+       _export_certificate->Enable (_certificates->GetNextItem (-1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED) != -1);
+}
 
-       void load_signer_private_key ()
-       {
-               wxFileDialog* d = new wxFileDialog (_panel, _("Select Key File"));
+void
+CertificateChainEditor::update_private_key ()
+{
+       checked_set (_private_key, dcp::private_key_fingerprint (_get()->key().get()));
+       _sizer->Layout ();
+}
 
-               if (d->ShowModal() == wxID_OK) {
-                       try {
-                               boost::filesystem::path p (wx_to_std (d->GetPath ()));
-                               if (boost::filesystem::file_size (p) > 1024) {
-                                       error_dialog (_panel, wxString::Format (_("Could not read key file (%s)"), std_to_wx (p.string ())));
-                                       return;
-                               }
-                               
-                               _signer->set_key (dcp::file_to_string (p));
-                               Config::instance()->set_signer (_signer);
-                               update_signer_private_key ();
-                       } catch (dcp::MiscError& e) {
-                               error_dialog (_panel, wxString::Format (_("Could not read certificate file (%s)"), e.what ()));
+void
+CertificateChainEditor::import_private_key ()
+{
+       wxFileDialog* d = new wxFileDialog (this, _("Select Key File"));
+
+       if (d->ShowModal() == wxID_OK) {
+               try {
+                       boost::filesystem::path p (wx_to_std (d->GetPath ()));
+                       if (boost::filesystem::file_size (p) > 8192) {
+                               error_dialog (
+                                       this,
+                                       wxString::Format (_("Could not read key file; file is too long (%s)"), std_to_wx (p.string ()))
+                                       );
+                               return;
                        }
-               }
-               
-               d->Destroy ();
 
-               update_sensitivity ();
-
-       }
-
-       void load_decryption_certificate ()
-       {
-               wxFileDialog* d = new wxFileDialog (_panel, _("Select Certificate File"));
-               
-               if (d->ShowModal() == wxID_OK) {
-                       try {
-                               dcp::Certificate c (dcp::file_to_string (wx_to_std (d->GetPath ())));
-                               Config::instance()->set_decryption_certificate (c);
-                               update_decryption_certificate ();
-                       } catch (dcp::MiscError& e) {
-                               error_dialog (_panel, wxString::Format (_("Could not read certificate file (%s)"), e.what ()));
-                       }
+                       shared_ptr<dcp::CertificateChain> chain(new dcp::CertificateChain(*_get().get()));
+                       chain->set_key (dcp::file_to_string (p));
+                       _set (chain);
+                       update_private_key ();
+               } catch (dcp::MiscError& e) {
+                       error_dialog (this, _("Could not read certificate file."), std_to_wx(e.what()));
                }
-               
-               d->Destroy ();
        }
 
-       void update_decryption_certificate ()
-       {
-               _decryption_certificate->SetLabel (std_to_wx (Config::instance()->decryption_certificate().thumbprint ()));
-       }
+       d->Destroy ();
 
-       void load_decryption_private_key ()
-       {
-               wxFileDialog* d = new wxFileDialog (_panel, _("Select Key File"));
-
-               if (d->ShowModal() == wxID_OK) {
-                       try {
-                               boost::filesystem::path p (wx_to_std (d->GetPath ()));
-                               Config::instance()->set_decryption_private_key (dcp::file_to_string (p));
-                               update_decryption_private_key ();
-                       } catch (dcp::MiscError& e) {
-                               error_dialog (_panel, wxString::Format (_("Could not read key file (%s)"), e.what ()));
-                       }
-               }
-               
-               d->Destroy ();
-       }
+       update_sensitivity ();
+}
 
-       void update_decryption_private_key ()
-       {
-               _decryption_private_key->SetLabel (std_to_wx (dcp::private_key_fingerprint (Config::instance()->decryption_private_key())));
+void
+CertificateChainEditor::export_private_key ()
+{
+       optional<string> key = _get()->key();
+       if (!key) {
+               return;
        }
 
-       void export_decryption_certificate ()
-       {
-               wxFileDialog* d = new wxFileDialog (
-                       _panel, _("Select Certificate File"), wxEmptyString, wxEmptyString, wxT ("PEM files (*.pem)|*.pem"),
-                       wxFD_SAVE | wxFD_OVERWRITE_PROMPT
-                       );
-               
-               if (d->ShowModal () == wxID_OK) {
-                       FILE* f = fopen_boost (wx_to_std (d->GetPath ()), "w");
-                       if (!f) {
-                               throw OpenFileError (wx_to_std (d->GetPath ()));
-                       }
+       wxFileDialog* d = new wxFileDialog (
+               this, _("Select Key File"), wxEmptyString, wxEmptyString, wxT ("PEM files (*.pem)|*.pem"),
+               wxFD_SAVE | wxFD_OVERWRITE_PROMPT
+               );
 
-                       string const s = Config::instance()->decryption_certificate().certificate (true);
-                       fwrite (s.c_str(), 1, s.length(), f);
-                       fclose (f);
+       if (d->ShowModal () == wxID_OK) {
+               boost::filesystem::path path (wx_to_std(d->GetPath()));
+               FILE* f = fopen_boost (path, "w");
+               if (!f) {
+                       throw OpenFileError (path, errno, false);
                }
-               d->Destroy ();
+
+               string const s = _get()->key().get ();
+               fwrite (s.c_str(), 1, s.length(), f);
+               fclose (f);
        }
+       d->Destroy ();
+}
 
-       wxListCtrl* _certificates;
-       wxButton* _add_certificate;
-       wxButton* _remove_certificate;
-       wxButton* _remake_certificates;
-       wxStaticText* _signer_private_key;
-       wxButton* _load_signer_private_key;
-       wxStaticText* _decryption_certificate;
-       wxButton* _load_decryption_certificate;
-       wxStaticText* _decryption_private_key;
-       wxButton* _load_decryption_private_key;
-       wxButton* _export_decryption_certificate;
-       shared_ptr<dcp::Signer> _signer;
-};
-
-class TMSPage : public StandardPage
+wxString
+KeysPage::GetName () const
 {
-public:
-       TMSPage (wxSize panel_size, int border)
-               : StandardPage (panel_size, border)
-       {}
-
-       wxString GetName () const
-       {
-               return _("TMS");
-       }
+       return _("Keys");
+}
 
-#ifdef DCPOMATIC_OSX   
-       wxBitmap GetLargeIcon () const
-       {
-               return wxBitmap ("tms", wxBITMAP_TYPE_PNG_RESOURCE);
-       }
-#endif 
+void
+KeysPage::setup ()
+{
+       wxFont subheading_font (*wxNORMAL_FONT);
+       subheading_font.SetWeight (wxFONTWEIGHT_BOLD);
 
-private:       
-       void setup ()
-       {
-               wxFlexGridSizer* table = new wxFlexGridSizer (2, DCPOMATIC_SIZER_X_GAP, DCPOMATIC_SIZER_Y_GAP);
-               table->AddGrowableCol (1, 1);
-               _panel->GetSizer()->Add (table, 1, wxALL | wxEXPAND, _border);
-               
-               add_label_to_sizer (table, _panel, _("IP address"), true);
-               _tms_ip = new wxTextCtrl (_panel, wxID_ANY);
-               table->Add (_tms_ip, 1, wxEXPAND);
-               
-               add_label_to_sizer (table, _panel, _("Target path"), true);
-               _tms_path = new wxTextCtrl (_panel, wxID_ANY);
-               table->Add (_tms_path, 1, wxEXPAND);
-               
-               add_label_to_sizer (table, _panel, _("User name"), true);
-               _tms_user = new wxTextCtrl (_panel, wxID_ANY);
-               table->Add (_tms_user, 1, wxEXPAND);
-               
-               add_label_to_sizer (table, _panel, _("Password"), true);
-               _tms_password = new wxTextCtrl (_panel, wxID_ANY);
-               table->Add (_tms_password, 1, wxEXPAND);
-               
-               _tms_ip->Bind (wxEVT_COMMAND_TEXT_UPDATED, boost::bind (&TMSPage::tms_ip_changed, this));
-               _tms_path->Bind (wxEVT_COMMAND_TEXT_UPDATED, boost::bind (&TMSPage::tms_path_changed, this));
-               _tms_user->Bind (wxEVT_COMMAND_TEXT_UPDATED, boost::bind (&TMSPage::tms_user_changed, this));
-               _tms_password->Bind (wxEVT_COMMAND_TEXT_UPDATED, boost::bind (&TMSPage::tms_password_changed, this));
-       }
+       wxSizer* sizer = _panel->GetSizer();
 
-       void config_changed ()
-       {
-               Config* config = Config::instance ();
-               
-               _tms_ip->SetValue (std_to_wx (config->tms_ip ()));
-               _tms_path->SetValue (std_to_wx (config->tms_path ()));
-               _tms_user->SetValue (std_to_wx (config->tms_user ()));
-               _tms_password->SetValue (std_to_wx (config->tms_password ()));
-       }
-       
-       void tms_ip_changed ()
-       {
-               Config::instance()->set_tms_ip (wx_to_std (_tms_ip->GetValue ()));
-       }
-       
-       void tms_path_changed ()
        {
-               Config::instance()->set_tms_path (wx_to_std (_tms_path->GetValue ()));
-       }
-       
-       void tms_user_changed ()
-       {
-               Config::instance()->set_tms_user (wx_to_std (_tms_user->GetValue ()));
-       }
-       
-       void tms_password_changed ()
-       {
-               Config::instance()->set_tms_password (wx_to_std (_tms_password->GetValue ()));
+               wxStaticText* m = new StaticText (_panel, _("Decrypting KDMs"));
+               m->SetFont (subheading_font);
+               sizer->Add (m, 0, wxALL, _border);
        }
 
-       wxTextCtrl* _tms_ip;
-       wxTextCtrl* _tms_path;
-       wxTextCtrl* _tms_user;
-       wxTextCtrl* _tms_password;
-};
+       wxButton* export_decryption_certificate = new Button (_panel, _("Export KDM decryption certificate..."));
+       sizer->Add (export_decryption_certificate, 0, wxLEFT, _border);
+       wxButton* export_decryption_chain = new Button (_panel, _("Export KDM decryption chain..."));
+       sizer->Add (export_decryption_chain, 0, wxLEFT, _border);
+       wxButton* export_settings = new Button (_panel, _("Export all KDM decryption settings..."));
+       sizer->Add (export_settings, 0, wxLEFT, _border);
+       wxButton* import_settings = new Button (_panel, _("Import all KDM decryption settings..."));
+       sizer->Add (import_settings, 0, wxLEFT, _border);
+       wxButton* decryption_advanced = new Button (_panel, _("Advanced..."));
+       sizer->Add (decryption_advanced, 0, wxALL, _border);
 
-class KDMEmailPage : public StandardPage
-{
-public:
-
-       KDMEmailPage (wxSize panel_size, int border)
-#ifdef DCPOMATIC_OSX           
-               /* We have to force both width and height of this one */
-               : StandardPage (wxSize (480, 128), border)
-#else
-                : StandardPage (panel_size, border)
-#endif                 
-       {}
-       
-       wxString GetName () const
-       {
-               return _("KDM Email");
-       }
+       export_decryption_certificate->Bind (wxEVT_BUTTON, bind (&KeysPage::export_decryption_certificate, this));
+       export_decryption_chain->Bind (wxEVT_BUTTON, bind (&KeysPage::export_decryption_chain, this));
+       export_settings->Bind (wxEVT_BUTTON, bind (&KeysPage::export_decryption_chain_and_key, this));
+       import_settings->Bind (wxEVT_BUTTON, bind (&KeysPage::import_decryption_chain_and_key, this));
+       decryption_advanced->Bind (wxEVT_BUTTON, bind (&KeysPage::decryption_advanced, this));
 
-#ifdef DCPOMATIC_OSX   
-       wxBitmap GetLargeIcon () const
        {
-               return wxBitmap ("kdm_email", wxBITMAP_TYPE_PNG_RESOURCE);
+               wxStaticText* m = new StaticText (_panel, _("Signing DCPs and KDMs"));
+               m->SetFont (subheading_font);
+               sizer->Add (m, 0, wxALL, _border);
        }
-#endif 
 
-private:       
-       void setup ()
-       {
-               wxFlexGridSizer* table = new wxFlexGridSizer (2, DCPOMATIC_SIZER_X_GAP, DCPOMATIC_SIZER_Y_GAP);
-               table->AddGrowableCol (1, 1);
-               _panel->GetSizer()->Add (table, 1, wxEXPAND | wxALL, _border);
-
-               add_label_to_sizer (table, _panel, _("Outgoing mail server"), true);
-               _mail_server = new wxTextCtrl (_panel, wxID_ANY);
-               table->Add (_mail_server, 1, wxEXPAND | wxALL);
-               
-               add_label_to_sizer (table, _panel, _("Mail user name"), true);
-               _mail_user = new wxTextCtrl (_panel, wxID_ANY);
-               table->Add (_mail_user, 1, wxEXPAND | wxALL);
-               
-               add_label_to_sizer (table, _panel, _("Mail password"), true);
-               _mail_password = new wxTextCtrl (_panel, wxID_ANY);
-               table->Add (_mail_password, 1, wxEXPAND | wxALL);
-               
-               wxStaticText* plain = add_label_to_sizer (table, _panel, _("(password will be stored on disk in plaintext)"), false);
-               wxFont font = plain->GetFont();
-               font.SetStyle (wxFONTSTYLE_ITALIC);
-               font.SetPointSize (font.GetPointSize() - 1);
-               plain->SetFont (font);
-               table->AddSpacer (0);
-
-               add_label_to_sizer (table, _panel, _("Subject"), true);
-               _kdm_subject = new wxTextCtrl (_panel, wxID_ANY);
-               table->Add (_kdm_subject, 1, wxEXPAND | wxALL);
-               
-               add_label_to_sizer (table, _panel, _("From address"), true);
-               _kdm_from = new wxTextCtrl (_panel, wxID_ANY);
-               table->Add (_kdm_from, 1, wxEXPAND | wxALL);
-
-               add_label_to_sizer (table, _panel, _("CC address"), true);
-               _kdm_cc = new wxTextCtrl (_panel, wxID_ANY);
-               table->Add (_kdm_cc, 1, wxEXPAND | wxALL);
-
-               add_label_to_sizer (table, _panel, _("BCC address"), true);
-               _kdm_bcc = new wxTextCtrl (_panel, wxID_ANY);
-               table->Add (_kdm_bcc, 1, wxEXPAND | wxALL);
-               
-               _kdm_email = new wxTextCtrl (_panel, wxID_ANY, wxEmptyString, wxDefaultPosition, wxSize (480, 128), wxTE_MULTILINE);
-               _panel->GetSizer()->Add (_kdm_email, 1, wxEXPAND | wxALL, _border);
-
-               _reset_kdm_email = new wxButton (_panel, wxID_ANY, _("Reset to default text"));
-               _panel->GetSizer()->Add (_reset_kdm_email, 0, wxEXPAND | wxALL, _border);
-
-               _mail_server->Bind (wxEVT_COMMAND_TEXT_UPDATED, boost::bind (&KDMEmailPage::mail_server_changed, this));
-               _mail_user->Bind (wxEVT_COMMAND_TEXT_UPDATED, boost::bind (&KDMEmailPage::mail_user_changed, this));
-               _mail_password->Bind (wxEVT_COMMAND_TEXT_UPDATED, boost::bind (&KDMEmailPage::mail_password_changed, this));
-               _kdm_subject->Bind (wxEVT_COMMAND_TEXT_UPDATED, boost::bind (&KDMEmailPage::kdm_subject_changed, this));
-               _kdm_from->Bind (wxEVT_COMMAND_TEXT_UPDATED, boost::bind (&KDMEmailPage::kdm_from_changed, this));
-               _kdm_cc->Bind (wxEVT_COMMAND_TEXT_UPDATED, boost::bind (&KDMEmailPage::kdm_cc_changed, this));
-               _kdm_bcc->Bind (wxEVT_COMMAND_TEXT_UPDATED, boost::bind (&KDMEmailPage::kdm_bcc_changed, this));
-               _kdm_email->Bind (wxEVT_COMMAND_TEXT_UPDATED, boost::bind (&KDMEmailPage::kdm_email_changed, this));
-               _reset_kdm_email->Bind (wxEVT_COMMAND_BUTTON_CLICKED, boost::bind (&KDMEmailPage::reset_kdm_email, this));
-       }
+       wxButton* signing_advanced = new Button (_panel, _("Advanced..."));
+       sizer->Add (signing_advanced, 0, wxLEFT, _border);
+       signing_advanced->Bind (wxEVT_BUTTON, bind (&KeysPage::signing_advanced, this));
+}
 
-       void config_changed ()
-       {
-               Config* config = Config::instance ();
-               
-               _mail_server->SetValue (std_to_wx (config->mail_server ()));
-               _mail_user->SetValue (std_to_wx (config->mail_user ()));
-               _mail_password->SetValue (std_to_wx (config->mail_password ()));
-               _kdm_subject->SetValue (std_to_wx (config->kdm_subject ()));
-               _kdm_from->SetValue (std_to_wx (config->kdm_from ()));
-               _kdm_cc->SetValue (std_to_wx (config->kdm_cc ()));
-               _kdm_bcc->SetValue (std_to_wx (config->kdm_bcc ()));
-               _kdm_email->SetValue (std_to_wx (Config::instance()->kdm_email ()));
-       }
-       
-       void mail_server_changed ()
-       {
-               Config::instance()->set_mail_server (wx_to_std (_mail_server->GetValue ()));
-       }
-       
-       void mail_user_changed ()
-       {
-               Config::instance()->set_mail_user (wx_to_std (_mail_user->GetValue ()));
-       }
-       
-       void mail_password_changed ()
-       {
-               Config::instance()->set_mail_password (wx_to_std (_mail_password->GetValue ()));
-       }
+void
+KeysPage::decryption_advanced ()
+{
+       CertificateChainEditor* c = new CertificateChainEditor (
+               _panel, _("Decrypting KDMs"), _border,
+               bind (&Config::set_decryption_chain, Config::instance (), _1),
+               bind (&Config::decryption_chain, Config::instance ()),
+               bind (&KeysPage::nag_remake_decryption_chain, this)
+               );
+
+       c->ShowModal();
+}
 
-       void kdm_subject_changed ()
-       {
-               Config::instance()->set_kdm_subject (wx_to_std (_kdm_subject->GetValue ()));
-       }
-       
-       void kdm_from_changed ()
-       {
-               Config::instance()->set_kdm_from (wx_to_std (_kdm_from->GetValue ()));
-       }
+void
+KeysPage::signing_advanced ()
+{
+       CertificateChainEditor* c = new CertificateChainEditor (
+               _panel, _("Signing DCPs and KDMs"), _border,
+               bind (&Config::set_signer_chain, Config::instance (), _1),
+               bind (&Config::signer_chain, Config::instance ()),
+               bind (&do_nothing)
+               );
+
+       c->ShowModal();
+}
 
-       void kdm_cc_changed ()
-       {
-               Config::instance()->set_kdm_cc (wx_to_std (_kdm_cc->GetValue ()));
-       }
+void
+KeysPage::export_decryption_chain_and_key ()
+{
+       wxFileDialog* d = new wxFileDialog (
+               _panel, _("Select Export File"), wxEmptyString, wxEmptyString, wxT ("DOM files (*.dom)|*.dom"),
+               wxFD_SAVE | wxFD_OVERWRITE_PROMPT
+               );
 
-       void kdm_bcc_changed ()
-       {
-               Config::instance()->set_kdm_bcc (wx_to_std (_kdm_bcc->GetValue ()));
-       }
-       
-       void kdm_email_changed ()
-       {
-               if (_kdm_email->GetValue().IsEmpty ()) {
-                       /* Sometimes we get sent an erroneous notification that the email
-                          is empty; I don't know why.
-                       */
-                       return;
+       if (d->ShowModal () == wxID_OK) {
+               boost::filesystem::path path (wx_to_std(d->GetPath()));
+               FILE* f = fopen_boost (path, "w");
+               if (!f) {
+                       throw OpenFileError (path, errno, false);
                }
-               Config::instance()->set_kdm_email (wx_to_std (_kdm_email->GetValue ()));
-       }
 
-       void reset_kdm_email ()
-       {
-               Config::instance()->reset_kdm_email ();
-               _kdm_email->SetValue (wx_to_std (Config::instance()->kdm_email ()));
+               string const chain = Config::instance()->decryption_chain()->chain();
+               fwrite (chain.c_str(), 1, chain.length(), f);
+               optional<string> const key = Config::instance()->decryption_chain()->key();
+               DCPOMATIC_ASSERT (key);
+               fwrite (key->c_str(), 1, key->length(), f);
+               fclose (f);
        }
+       d->Destroy ();
+
+}
 
-       wxTextCtrl* _mail_server;
-       wxTextCtrl* _mail_user;
-       wxTextCtrl* _mail_password;
-       wxTextCtrl* _kdm_subject;
-       wxTextCtrl* _kdm_from;
-       wxTextCtrl* _kdm_cc;
-       wxTextCtrl* _kdm_bcc;
-       wxTextCtrl* _kdm_email;
-       wxButton* _reset_kdm_email;
-};
-
-/** @class AdvancedPage
- *  @brief Advanced page of the preferences dialog.
- */
-class AdvancedPage : public StockPage
+void
+KeysPage::import_decryption_chain_and_key ()
 {
-public:
-       AdvancedPage (wxSize panel_size, int border)
-               : StockPage (Kind_Advanced, panel_size, border)
-               , _maximum_j2k_bandwidth (0)
-               , _allow_any_dcp_frame_rate (0)
-               , _log_general (0)
-               , _log_warning (0)
-               , _log_error (0)
-               , _log_timing (0)
-       {}
-
-private:       
-       void setup ()
-       {
-               wxFlexGridSizer* table = new wxFlexGridSizer (2, DCPOMATIC_SIZER_X_GAP, DCPOMATIC_SIZER_Y_GAP);
-               table->AddGrowableCol (1, 1);
-               _panel->GetSizer()->Add (table, 1, wxALL | wxEXPAND, _border);
-
-               {
-                       add_label_to_sizer (table, _panel, _("Maximum JPEG2000 bandwidth"), true);
-                       wxBoxSizer* s = new wxBoxSizer (wxHORIZONTAL);
-                       _maximum_j2k_bandwidth = new wxSpinCtrl (_panel);
-                       s->Add (_maximum_j2k_bandwidth, 1);
-                       add_label_to_sizer (s, _panel, _("Mbit/s"), false);
-                       table->Add (s, 1);
+       wxFileDialog* d = new wxFileDialog (
+               _panel, _("Select File To Import"), wxEmptyString, wxEmptyString, wxT ("DOM files (*.dom)|*.dom")
+               );
+
+       if (d->ShowModal () == wxID_OK) {
+               shared_ptr<dcp::CertificateChain> new_chain(new dcp::CertificateChain());
+
+               FILE* f = fopen_boost (wx_to_std (d->GetPath ()), "r");
+               if (!f) {
+                       throw OpenFileError (wx_to_std (d->GetPath ()), errno, false);
                }
 
-               _allow_any_dcp_frame_rate = new wxCheckBox (_panel, wxID_ANY, _("Allow any DCP frame rate"));
-               table->Add (_allow_any_dcp_frame_rate, 1, wxEXPAND | wxALL);
-               table->AddSpacer (0);
-
-#ifdef __WXOSX__
-               wxStaticText* m = new wxStaticText (_panel, wxID_ANY, _("Log:"));
-               table->Add (m, 0, wxALIGN_TOP | wxLEFT | wxRIGHT | wxEXPAND | wxALL | wxALIGN_RIGHT, 6);
-#else          
-               wxStaticText* m = new wxStaticText (_panel, wxID_ANY, _("Log"));
-               table->Add (m, 0, wxALIGN_TOP | wxLEFT | wxRIGHT | wxEXPAND | wxALL, 6);
-#endif         
-               
-               {
-                       wxBoxSizer* t = new wxBoxSizer (wxVERTICAL);
-                       _log_general = new wxCheckBox (_panel, wxID_ANY, _("General"));
-                       t->Add (_log_general, 1, wxEXPAND | wxALL);
-                       _log_warning = new wxCheckBox (_panel, wxID_ANY, _("Warnings"));
-                       t->Add (_log_warning, 1, wxEXPAND | wxALL);
-                       _log_error = new wxCheckBox (_panel, wxID_ANY, _("Errors"));
-                       t->Add (_log_error, 1, wxEXPAND | wxALL);
-                       _log_timing = new wxCheckBox (_panel, wxID_ANY, S_("Config|Timing"));
-                       t->Add (_log_timing, 1, wxEXPAND | wxALL);
-                       table->Add (t, 0, wxALL, 6);
+               string current;
+               while (!feof (f)) {
+                       char buffer[128];
+                       if (fgets (buffer, 128, f) == 0) {
+                               break;
+                       }
+                       current += buffer;
+                       if (strncmp (buffer, "-----END CERTIFICATE-----", 25) == 0) {
+                               new_chain->add (dcp::Certificate (current));
+                               current = "";
+                       } else if (strncmp (buffer, "-----END RSA PRIVATE KEY-----", 29) == 0) {
+                               new_chain->set_key (current);
+                               current = "";
+                       }
                }
+               fclose (f);
 
-#ifdef DCPOMATIC_WINDOWS               
-               _win32_console = new wxCheckBox (_panel, wxID_ANY, _("Open console window"));
-               table->Add (_win32_console, 1, wxEXPAND | wxALL);
-               table->AddSpacer (0);
-#endif         
-               
-               _maximum_j2k_bandwidth->SetRange (1, 1000);
-               _maximum_j2k_bandwidth->Bind (wxEVT_COMMAND_SPINCTRL_UPDATED, boost::bind (&AdvancedPage::maximum_j2k_bandwidth_changed, this));
-               _allow_any_dcp_frame_rate->Bind (wxEVT_COMMAND_CHECKBOX_CLICKED, boost::bind (&AdvancedPage::allow_any_dcp_frame_rate_changed, this));
-               _log_general->Bind (wxEVT_COMMAND_CHECKBOX_CLICKED, boost::bind (&AdvancedPage::log_changed, this));
-               _log_warning->Bind (wxEVT_COMMAND_CHECKBOX_CLICKED, boost::bind (&AdvancedPage::log_changed, this));
-               _log_error->Bind (wxEVT_COMMAND_CHECKBOX_CLICKED, boost::bind (&AdvancedPage::log_changed, this));
-               _log_timing->Bind (wxEVT_COMMAND_CHECKBOX_CLICKED, boost::bind (&AdvancedPage::log_changed, this));
-#ifdef DCPOMATIC_WINDOWS
-               _win32_console->Bind (wxEVT_COMMAND_CHECKBOX_CLICKED, boost::bind (&AdvancedPage::win32_console_changed, this));
-#endif         
+               if (new_chain->chain_valid() && new_chain->private_key_valid()) {
+                       Config::instance()->set_decryption_chain (new_chain);
+               } else {
+                       error_dialog (_panel, _("Invalid DCP-o-matic export file"));
+               }
        }
+       d->Destroy ();
+}
 
-       void config_changed ()
-       {
-               Config* config = Config::instance ();
-               
-               _maximum_j2k_bandwidth->SetValue (config->maximum_j2k_bandwidth() / 1000000);
-               _allow_any_dcp_frame_rate->SetValue (config->allow_any_dcp_frame_rate ());
-               _log_general->SetValue (config->log_types() & Log::TYPE_GENERAL);
-               _log_warning->SetValue (config->log_types() & Log::TYPE_WARNING);
-               _log_error->SetValue (config->log_types() & Log::TYPE_ERROR);
-               _log_timing->SetValue (config->log_types() & Log::TYPE_TIMING);
-#ifdef DCPOMATIC_WINDOWS
-               _win32_console->SetValue (config->win32_console());
-#endif
-       }
+bool
+KeysPage::nag_remake_decryption_chain ()
+{
+       return NagDialog::maybe_nag (
+               _panel,
+               Config::NAG_REMAKE_DECRYPTION_CHAIN,
+               _("If you continue with this operation you will no longer be able to use any DKDMs that you have created.  Also, any KDMs that have been sent to you will become useless.  Proceed with caution!"),
+               true
+               );
+}
 
-       void maximum_j2k_bandwidth_changed ()
-       {
-               Config::instance()->set_maximum_j2k_bandwidth (_maximum_j2k_bandwidth->GetValue() * 1000000);
-       }
+void
+KeysPage::export_decryption_chain ()
+{
+       wxFileDialog* d = new wxFileDialog (
+               _panel, _("Select Chain File"), wxEmptyString, _("dcpomatic_kdm_decryption_chain.pem"), wxT ("PEM files (*.pem)|*.pem"),
+               wxFD_SAVE | wxFD_OVERWRITE_PROMPT
+               );
 
-       void allow_any_dcp_frame_rate_changed ()
-       {
-               Config::instance()->set_allow_any_dcp_frame_rate (_allow_any_dcp_frame_rate->GetValue ());
+       if (d->ShowModal () == wxID_OK) {
+               boost::filesystem::path path (wx_to_std(d->GetPath()));
+               FILE* f = fopen_boost (path, "w");
+               if (!f) {
+                       throw OpenFileError (path, errno, false);
+               }
+
+               string const s = Config::instance()->decryption_chain()->chain();
+               fwrite (s.c_str(), 1, s.length(), f);
+               fclose (f);
        }
+       d->Destroy ();
+}
 
-       void log_changed ()
-       {
-               int types = 0;
-               if (_log_general->GetValue ()) {
-                       types |= Log::TYPE_GENERAL;
-               }
-               if (_log_warning->GetValue ()) {
-                       types |= Log::TYPE_WARNING;
-               }
-               if (_log_error->GetValue ())  {
-                       types |= Log::TYPE_ERROR;
-               }
-               if (_log_timing->GetValue ()) {
-                       types |= Log::TYPE_TIMING;
+void
+KeysPage::export_decryption_certificate ()
+{
+       wxFileDialog* d = new wxFileDialog (
+               _panel, _("Select Certificate File"), wxEmptyString, _("dcpomatic_kdm_decryption_cert.pem"), wxT ("PEM files (*.pem)|*.pem"),
+               wxFD_SAVE | wxFD_OVERWRITE_PROMPT
+               );
+
+       if (d->ShowModal () == wxID_OK) {
+               boost::filesystem::path path (wx_to_std(d->GetPath()));
+               FILE* f = fopen_boost (path, "w");
+               if (!f) {
+                       throw OpenFileError (path, errno, false);
                }
-               Config::instance()->set_log_types (types);
-       }
 
-#ifdef DCPOMATIC_WINDOWS       
-       void win32_console_changed ()
-       {
-               Config::instance()->set_win32_console (_win32_console->GetValue ());
+               string const s = Config::instance()->decryption_chain()->leaf().certificate (true);
+               fwrite (s.c_str(), 1, s.length(), f);
+               fclose (f);
        }
-#endif 
-       
-       wxSpinCtrl* _maximum_j2k_bandwidth;
-       wxCheckBox* _allow_any_dcp_frame_rate;
-       wxCheckBox* _log_general;
-       wxCheckBox* _log_warning;
-       wxCheckBox* _log_error;
-       wxCheckBox* _log_timing;
-#ifdef DCPOMATIC_WINDOWS       
-       wxCheckBox* _win32_console;
-#endif 
-};
-       
-wxPreferencesEditor*
-create_config_dialog ()
-{
-       wxPreferencesEditor* e = new wxPreferencesEditor ();
-
-#ifdef DCPOMATIC_OSX
-       /* Width that we force some of the config panels to be on OSX so that
-          the containing window doesn't shrink too much when we select those panels.
-          This is obviously an unpleasant hack.
-       */
-       wxSize ps = wxSize (520, -1);
-       int const border = 16;
-#else
-       wxSize ps = wxSize (-1, -1);
-       int const border = 8;
-#endif
-       
-       e->AddPage (new GeneralPage (ps, border));
-       e->AddPage (new DefaultsPage (ps, border));
-       e->AddPage (new EncodingServersPage (ps, border));
-       e->AddPage (new ColourConversionsPage (ps, border));
-       e->AddPage (new KeysPage (ps, border));
-       e->AddPage (new TMSPage (ps, border));
-       e->AddPage (new KDMEmailPage (ps, border));
-       e->AddPage (new AdvancedPage (ps, border));
-       return e;
+
+       d->Destroy ();
 }