Improve OpenFileError so that it doesn't say "opening for read"
[dcpomatic.git] / src / wx / config_dialog.cc
index 52742f06626fd6f949e14c398243734819799475..98a1a1a8e231c29505ab2385fc41a4e892aede45 100644 (file)
 /*
-    Copyright (C) 2012-2016 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2012-2019 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 "config_dialog.h"
-#include "wx_util.h"
-#include "editable_list.h"
-#include "filter_dialog.h"
-#include "dir_picker_ctrl.h"
-#include "file_picker_ctrl.h"
-#include "isdcf_metadata_dialog.h"
-#include "server_dialog.h"
-#include "make_chain_dialog.h"
-#include "email_dialog.h"
-#include "lib/config.h"
-#include "lib/ratio.h"
-#include "lib/filter.h"
-#include "lib/dcp_content_type.h"
-#include "lib/log.h"
-#include "lib/util.h"
-#include "lib/raw_convert.h"
-#include "lib/cross.h"
-#include "lib/exceptions.h"
-#include <dcp/exceptions.h>
-#include <dcp/certificate_chain.h>
-#include <wx/stdpaths.h>
-#include <wx/preferences.h>
-#include <wx/spinctrl.h>
-#include <wx/filepicker.h>
-#include <boost/filesystem.hpp>
-#include <boost/foreach.hpp>
+#include "static_text.h"
+#include "check_box.h"
+#include "nag_dialog.h"
+#include "dcpomatic_button.h"
 #include <iostream>
 
-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::function;
-using boost::optional;
 
-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));
-       }
-
-       virtual ~Page () {}
-
-protected:
-       wxWindow* 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 ();
+       return false;
+}
 
-               _panel->Bind (wxEVT_DESTROY, boost::bind (&Page::window_destroyed, this));
+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));
+}
 
-               return _panel;
-       }
+wxWindow*
+Page::create_window (wxWindow* parent)
+{
+       _panel = new wxPanel (parent, wxID_ANY, wxDefaultPosition, _panel_size);
+       wxBoxSizer* s = new wxBoxSizer (wxVERTICAL);
+       _panel->SetSizer (s);
 
-       int _border;
-       wxPanel* _panel;
+       setup ();
+       _window_exists = true;
+       config_changed ();
 
-private:
-       virtual void config_changed () = 0;
-       virtual void setup () = 0;
+       _panel->Bind (wxEVT_DESTROY, bind (&Page::window_destroyed, this));
 
-       void config_changed_wrapper ()
-       {
-               if (_window_exists) {
-                       config_changed ();
-               }
-       }
+       return _panel;
+}
 
-       void window_destroyed ()
-       {
-               _window_exists = false;
+void
+Page::config_changed_wrapper ()
+{
+       if (_window_exists) {
+               config_changed ();
        }
+}
 
-       wxSize _panel_size;
-       boost::signals2::scoped_connection _config_connection;
-       bool _window_exists;
-};
-
-class StockPage : public wxStockPreferencesPage, public Page
+void
+Page::window_destroyed ()
 {
-public:
-       StockPage (Kind kind, wxSize panel_size, int border)
-               : wxStockPreferencesPage (kind)
-               , Page (panel_size, border)
-       {}
+       _window_exists = false;
+}
 
-       wxWindow* CreateWindow (wxWindow* parent)
-       {
-               return create_window (parent);
-       }
-};
 
-class StandardPage : public wxPreferencesPage, public Page
+StockPage::StockPage (Kind kind, wxSize panel_size, int border)
+       : wxStockPreferencesPage (kind)
+       , Page (panel_size, border)
 {
-public:
-       StandardPage (wxSize panel_size, int border)
-               : Page (panel_size, border)
-       {}
 
-       wxWindow* CreateWindow (wxWindow* parent)
-       {
-               return create_window (parent);
-       }
-};
+}
 
-class GeneralPage : public StockPage
+wxWindow*
+StockPage::CreateWindow (wxWindow* parent)
 {
-public:
-       GeneralPage (wxSize panel_size, int border)
-               : StockPage (Kind_General, panel_size, border)
-       {}
-
-private:
-       void setup ()
-       {
-               wxGridBagSizer* table = new wxGridBagSizer (DCPOMATIC_SIZER_X_GAP, DCPOMATIC_SIZER_Y_GAP);
-               _panel->GetSizer()->Add (table, 1, wxALL | wxEXPAND, _border);
-
-               int r = 0;
-               _set_language = new wxCheckBox (_panel, wxID_ANY, _("Set language"));
-               table->Add (_set_language, wxGBPosition (r, 0));
-               _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;
-
-               add_label_to_sizer (table, _panel, _("Threads to use for encoding on this host"), true, wxGBPosition (r, 0));
-               _num_local_encoding_threads = new wxSpinCtrl (_panel);
-               table->Add (_num_local_encoding_threads, wxGBPosition (r, 1));
-               ++r;
-
-               add_label_to_sizer (table, _panel, _("Cinema and screen database file"), true, wxGBPosition (r, 0));
-               _cinemas_file = new FilePickerCtrl (_panel, _("Select cinema and screen database file"), "*.xml");
-               table->Add (_cinemas_file, wxGBPosition (r, 1));
-               ++r;
-
-#ifdef DCPOMATIC_HAVE_PATCHED_FFMPEG
-               _analyse_ebur128 = new wxCheckBox (_panel, wxID_ANY, _("Find integrated loudness, true peak and loudness range when analysing audio"));
-               table->Add (_analyse_ebur128, wxGBPosition (r, 0), wxGBSpan (1, 2));
-               ++r;
-#endif
-
-               _automatic_audio_analysis = new wxCheckBox (_panel, wxID_ANY, _("Automatically analyse content audio"));
-               table->Add (_automatic_audio_analysis, wxGBPosition (r, 0), wxGBSpan (1, 2));
-               ++r;
-
-               _check_for_updates = new wxCheckBox (_panel, wxID_ANY, _("Check for updates on startup"));
-               table->Add (_check_for_updates, wxGBPosition (r, 0), wxGBSpan (1, 2));
-               ++r;
-
-               _check_for_test_updates = new wxCheckBox (_panel, wxID_ANY, _("Check for testing updates on startup"));
-               table->Add (_check_for_test_updates, wxGBPosition (r, 0), wxGBSpan (1, 2));
-               ++r;
-
-               wxFlexGridSizer* bottom_table = new wxFlexGridSizer (2, DCPOMATIC_SIZER_X_GAP, DCPOMATIC_SIZER_Y_GAP);
-               bottom_table->AddGrowableCol (1, 1);
-
-               add_label_to_sizer (bottom_table, _panel, _("Issuer"), true);
-               _issuer = new wxTextCtrl (_panel, wxID_ANY);
-               bottom_table->Add (_issuer, 1, wxALL | wxEXPAND);
-
-               add_label_to_sizer (bottom_table, _panel, _("Creator"), true);
-               _creator = new wxTextCtrl (_panel, wxID_ANY);
-               bottom_table->Add (_creator, 1, wxALL | wxEXPAND);
-
-               table->Add (bottom_table, wxGBPosition (r, 0), wxGBSpan (2, 2), wxEXPAND);
-               ++r;
-
-               _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));
-               _cinemas_file->Bind (wxEVT_COMMAND_FILEPICKER_CHANGED, boost::bind (&GeneralPage::cinemas_file_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));
-
-#ifdef DCPOMATIC_HAVE_PATCHED_FFMPEG
-               _analyse_ebur128->Bind (wxEVT_COMMAND_CHECKBOX_CLICKED, boost::bind (&GeneralPage::analyse_ebur128_changed, this));
-#endif
-               _automatic_audio_analysis->Bind (wxEVT_COMMAND_CHECKBOX_CLICKED, boost::bind (&GeneralPage::automatic_audio_analysis_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));
-
-               _issuer->Bind (wxEVT_COMMAND_TEXT_UPDATED, boost::bind (&GeneralPage::issuer_changed, this));
-               _creator->Bind (wxEVT_COMMAND_TEXT_UPDATED, boost::bind (&GeneralPage::creator_changed, this));
-       }
+       return create_window (parent);
+}
 
-       void config_changed ()
-       {
-               Config* config = Config::instance ();
-
-               checked_set (_set_language, static_cast<bool>(config->language()));
-
-               /* Backwards compatibility of config file */
-
-               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];
-               }
+StandardPage::StandardPage (wxSize panel_size, int border)
+       : Page (panel_size, border)
+{
 
-               checked_set (_language, lang);
+}
 
-               checked_set (_num_local_encoding_threads, config->num_local_encoding_threads ());
-#ifdef DCPOMATIC_HAVE_PATCHED_FFMPEG
-               checked_set (_analyse_ebur128, config->analyse_ebur128 ());
-#endif
-               checked_set (_automatic_audio_analysis, config->automatic_audio_analysis ());
-               checked_set (_check_for_updates, config->check_for_updates ());
-               checked_set (_check_for_test_updates, config->check_for_test_updates ());
-               checked_set (_issuer, config->dcp_issuer ());
-               checked_set (_creator, config->dcp_creator ());
-               checked_set (_cinemas_file, config->cinemas_file());
+wxWindow*
+StandardPage::CreateWindow (wxWindow* parent)
+{
+       return create_window (parent);
+}
 
-               setup_sensitivity ();
-       }
+GeneralPage::GeneralPage (wxSize panel_size, int border)
+       : StockPage (Kind_General, panel_size, border)
+{
 
-       void setup_sensitivity ()
-       {
-               _language->Enable (_set_language->GetValue ());
-               _check_for_test_updates->Enable (_check_for_updates->GetValue ());
-       }
+}
 
-       void set_language_changed ()
-       {
-               setup_sensitivity ();
-               if (_set_language->GetValue ()) {
-                       language_changed ();
-               } else {
-                       Config::instance()->unset_language ();
-               }
-       }
+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 ("Türkçe", "tr_TR"));
+       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 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 ();
-               }
-       }
+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);
+       wxBoxSizer* s = new wxBoxSizer (wxHORIZONTAL);
+       _sound_output = new wxChoice (_panel, wxID_ANY);
+       s->Add (_sound_output, 0);
+       _sound_output_details = new wxStaticText (_panel, wxID_ANY, wxT(""));
+       s->Add (_sound_output_details, 1, wxALIGN_CENTER_VERTICAL | wxLEFT, DCPOMATIC_SIZER_X_GAP);
+       table->Add (s, wxGBPosition(r, 1));
+       ++r;
+
+       wxFont font = _sound_output_details->GetFont();
+       font.SetStyle (wxFONTSTYLE_ITALIC);
+       font.SetPointSize (font.GetPointSize() - 1);
+       _sound_output_details->SetFont (font);
+
+       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));
+               }
+       }
+
+       _sound->Bind        (wxEVT_CHECKBOX, bind (&GeneralPage::sound_changed, this));
+       _sound_output->Bind (wxEVT_CHOICE,   bind (&GeneralPage::sound_output_changed, this));
+}
 
-#ifdef DCPOMATIC_HAVE_PATCHED_FFMPEG
-       void analyse_ebur128_changed ()
-       {
-               Config::instance()->set_analyse_ebur128 (_analyse_ebur128->GetValue ());
-       }
-#endif
+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;
 
-       void automatic_audio_analysis_changed ()
-       {
-               Config::instance()->set_automatic_audio_analysis (_automatic_audio_analysis->GetValue ());
-       }
+       _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;
 
-       void check_for_updates_changed ()
-       {
-               Config::instance()->set_check_for_updates (_check_for_updates->GetValue ());
-       }
+       _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));
+}
 
-       void check_for_test_updates_changed ()
-       {
-               Config::instance()->set_check_for_test_updates (_check_for_test_updates->GetValue ());
-       }
+void
+GeneralPage::config_changed ()
+{
+       Config* config = Config::instance ();
 
-       void num_local_encoding_threads_changed ()
-       {
-               Config::instance()->set_num_local_encoding_threads (_num_local_encoding_threads->GetValue ());
-       }
+       checked_set (_set_language, static_cast<bool>(config->language()));
 
-       void issuer_changed ()
-       {
-               Config::instance()->set_dcp_issuer (wx_to_std (_issuer->GetValue ()));
-       }
+       /* Backwards compatibility of config file */
 
-       void creator_changed ()
-       {
-               Config::instance()->set_dcp_creator (wx_to_std (_creator->GetValue ()));
-       }
+       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";
 
-       void cinemas_file_changed ()
-       {
-               Config::instance()->set_cinemas_file (wx_to_std (_cinemas_file->GetPath ()));
+       string lang = config->language().get_value_or ("en_GB");
+       if (compat_map.find (lang) != compat_map.end ()) {
+               lang = compat_map[lang];
        }
 
-       wxCheckBox* _set_language;
-       wxChoice* _language;
-       wxSpinCtrl* _num_local_encoding_threads;
-       FilePickerCtrl* _cinemas_file;
-#ifdef DCPOMATIC_HAVE_PATCHED_FFMPEG
-       wxCheckBox* _analyse_ebur128;
-#endif
-       wxCheckBox* _automatic_audio_analysis;
-       wxCheckBox* _check_for_updates;
-       wxCheckBox* _check_for_test_updates;
-       wxTextCtrl* _issuer;
-       wxTextCtrl* _creator;
-};
-
-class DefaultsPage : public StandardPage
-{
-public:
-       DefaultsPage (wxSize panel_size, int border)
-               : StandardPage (panel_size, border)
-       {}
+       checked_set (_language, lang);
 
-       wxString GetName () const
-       {
-               return _("Defaults");
-       }
+       checked_set (_check_for_updates, config->check_for_updates ());
+       checked_set (_check_for_test_updates, config->check_for_test_updates ());
 
-#ifdef DCPOMATIC_OSX
-       wxBitmap GetLargeIcon () const
-       {
-               return wxBitmap ("defaults", wxBITMAP_TYPE_PNG_RESOURCE);
-       }
-#endif
+       checked_set (_sound, config->sound ());
 
-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);
-               }
+       optional<string> const current_so = get_sound_output ();
+       optional<string> configured_so;
 
-               add_label_to_sizer (table, _panel, _("Default directory for new films"), true);
-#ifdef DCPOMATIC_USE_OWN_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);
+       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 */
                }
+       }
 
-               {
-                       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);
+       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;
                }
+       }
 
-               add_label_to_sizer (table, _panel, _("Default standard"), true);
-               _standard = new wxChoice (_panel, wxID_ANY);
-               table->Add (_standard);
-
-               _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 ()));
-               }
+       RtAudio audio (DCPOMATIC_RTAUDIO_API);
 
-               _container->Bind (wxEVT_COMMAND_CHOICE_SELECTED, boost::bind (&DefaultsPage::container_changed, this));
+       map<int, wxString> apis;
+       apis[RtAudio::MACOSX_CORE]    = _("CoreAudio");
+       apis[RtAudio::WINDOWS_ASIO]   = _("ASIO");
+       apis[RtAudio::WINDOWS_DS]     = _("Direct Sound");
+       apis[RtAudio::WINDOWS_WASAPI] = _("WASAPI");
+       apis[RtAudio::UNIX_JACK]      = _("JACK");
+       apis[RtAudio::LINUX_ALSA]     = _("ALSA");
+       apis[RtAudio::LINUX_PULSE]    = _("PulseAudio");
+       apis[RtAudio::LINUX_OSS]      = _("OSS");
+       apis[RtAudio::RTAUDIO_DUMMY]  = _("Dummy");
 
-               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 ()));
+       int channels = 0;
+       if (configured_so) {
+               for (unsigned int i = 0; i < audio.getDeviceCount(); ++i) {
+                       RtAudio::DeviceInfo info = audio.getDeviceInfo(i);
+                       if (info.name == *configured_so && info.outputChannels > 0) {
+                               channels = info.outputChannels;
+                       }
                }
-
-               _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));
-
-               _standard->Append (_("SMPTE"));
-               _standard->Append (_("Interop"));
-               _standard->Bind (wxEVT_COMMAND_CHOICE_SELECTED, boost::bind (&DefaultsPage::standard_changed, this));
        }
 
-       void config_changed ()
-       {
-               Config* config = Config::instance ();
+       _sound_output_details->SetLabel (
+               wxString::Format(_("%d channels on %s"), channels, apis[audio.getCurrentApi()])
+               );
 
-               vector<Ratio const *> ratios = Ratio::all ();
-               for (size_t i = 0; i < ratios.size(); ++i) {
-                       if (ratios[i] == config->default_container ()) {
-                               _container->SetSelection (i);
-                       }
-               }
-
-               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);
-                       }
-               }
+       setup_sensitivity ();
+}
 
-               checked_set (_still_length, config->default_still_length ());
-               _directory->SetPath (std_to_wx (config->default_directory_or (wx_to_std (wxStandardPaths::Get().GetDocumentsDir())).string ()));
-               checked_set (_j2k_bandwidth, config->default_j2k_bandwidth() / 1000000);
-               _j2k_bandwidth->SetRange (50, config->maximum_j2k_bandwidth() / 1000000);
-               checked_set (_audio_delay, config->default_audio_delay ());
-               checked_set (_standard, config->default_interop() ? 1 : 0);
-       }
+void
+GeneralPage::setup_sensitivity ()
+{
+       _language->Enable (_set_language->GetValue ());
+       _check_for_test_updates->Enable (_check_for_updates->GetValue ());
+       _sound_output->Enable (_sound->GetValue ());
+}
 
-       void j2k_bandwidth_changed ()
-       {
-               Config::instance()->set_default_j2k_bandwidth (_j2k_bandwidth->GetValue() * 1000000);
+/** @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 audio_delay_changed ()
-       {
-               Config::instance()->set_default_audio_delay (_audio_delay->GetValue());
-       }
+       return wx_to_std (_sound_output->GetString (sel));
+}
 
-       void directory_changed ()
-       {
-               Config::instance()->set_default_directory (wx_to_std (_directory->GetPath ()));
+void
+GeneralPage::set_language_changed ()
+{
+       setup_sensitivity ();
+       if (_set_language->GetValue ()) {
+               language_changed ();
+       } else {
+               Config::instance()->unset_language ();
        }
+}
 
-       void edit_isdcf_metadata_clicked ()
-       {
-               ISDCFMetadataDialog* d = new ISDCFMetadataDialog (_panel, Config::instance()->default_isdcf_metadata (), false);
-               d->ShowModal ();
-               Config::instance()->set_default_isdcf_metadata (d->isdcf_metadata ());
-               d->Destroy ();
+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 ();
        }
+}
 
-       void still_length_changed ()
-       {
-               Config::instance()->set_default_still_length (_still_length->GetValue ());
-       }
+void
+GeneralPage::check_for_updates_changed ()
+{
+       Config::instance()->set_check_for_updates (_check_for_updates->GetValue ());
+}
 
-       void container_changed ()
-       {
-               vector<Ratio const *> ratio = Ratio::all ();
-               Config::instance()->set_default_container (ratio[_container->GetSelection()]);
-       }
+void
+GeneralPage::check_for_test_updates_changed ()
+{
+       Config::instance()->set_check_for_test_updates (_check_for_test_updates->GetValue ());
+}
 
-       void dcp_content_type_changed ()
-       {
-               vector<DCPContentType const *> ct = DCPContentType::all ();
-               Config::instance()->set_default_dcp_content_type (ct[_dcp_content_type->GetSelection()]);
-       }
+void
+GeneralPage::sound_changed ()
+{
+       Config::instance()->set_sound (_sound->GetValue ());
+}
 
-       void standard_changed ()
-       {
-               Config::instance()->set_default_interop (_standard->GetSelection() == 1);
+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);
        }
+}
 
-       wxSpinCtrl* _j2k_bandwidth;
-       wxSpinCtrl* _audio_delay;
-       wxButton* _isdcf_metadata_button;
-       wxSpinCtrl* _still_length;
-#ifdef DCPOMATIC_USE_OWN_PICKER
-       DirPickerCtrl* _directory;
-#else
-       wxDirPickerCtrl* _directory;
-#endif
-       wxChoice* _container;
-       wxChoice* _dcp_content_type;
-       wxChoice* _standard;
-};
-
-class EncodingServersPage : 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_alter
+       )
+       : wxDialog (parent, wxID_ANY, title)
+       , _set (set)
+       , _get (get)
+       , _nag_alter (nag_alter)
 {
-public:
-       EncodingServersPage (wxSize panel_size, int border)
-               : StandardPage (panel_size, border)
-       {}
+       wxFont subheading_font (*wxNORMAL_FONT);
+       subheading_font.SetWeight (wxFONTWEIGHT_BOLD);
 
-       wxString GetName () const
-       {
-               return _("Servers");
-       }
+       _sizer = new wxBoxSizer (wxVERTICAL);
 
-#ifdef DCPOMATIC_OSX
-       wxBitmap GetLargeIcon () const
        {
-               return wxBitmap ("servers", wxBITMAP_TYPE_PNG_RESOURCE);
+               wxStaticText* m = new StaticText (this, title);
+               m->SetFont (subheading_font);
+               _sizer->Add (m, 0, wxALL, border);
        }
-#endif
-
-private:
-       void setup ()
-       {
-               _use_any_servers = new wxCheckBox (_panel, wxID_ANY, _("Search network for 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 (&always_valid),
-                       boost::bind (&EncodingServersPage::server_column, this, _1)
-                       );
 
-               _panel->GetSizer()->Add (_servers_list, 1, wxEXPAND | wxALL, _border);
+       wxBoxSizer* certificates_sizer = new wxBoxSizer (wxHORIZONTAL);
+       _sizer->Add (certificates_sizer, 0, wxLEFT | wxRIGHT, border);
 
-               _use_any_servers->Bind (wxEVT_COMMAND_CHECKBOX_CLICKED, boost::bind (&EncodingServersPage::use_any_servers_changed, this));
-       }
+       _certificates = new wxListCtrl (this, wxID_ANY, wxDefaultPosition, wxSize (440, 150), wxLC_REPORT | wxLC_SINGLE_SEL);
 
-       void config_changed ()
        {
-               checked_set (_use_any_servers, Config::instance()->use_any_servers ());
-               _servers_list->refresh ();
+               wxListItem ip;
+               ip.SetId (0);
+               ip.SetText (_("Type"));
+               ip.SetWidth (100);
+               _certificates->InsertColumn (0, ip);
        }
 
-       void use_any_servers_changed ()
        {
-               Config::instance()->set_use_any_servers (_use_any_servers->GetValue ());
-       }
+               wxListItem ip;
+               ip.SetId (1);
+               ip.SetText (_("Thumbprint"));
+               ip.SetWidth (340);
 
-       string server_column (string s)
-       {
-               return s;
-       }
+               wxFont font = ip.GetFont ();
+               font.SetFamily (wxFONTFAMILY_TELETYPE);
+               ip.SetFont (font);
+
+               _certificates->InsertColumn (1, ip);
+       }
+
+       certificates_sizer->Add (_certificates, 1, wxEXPAND);
+
+       {
+               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);
+       }
+
+       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);
+       _export_chain = new Button (this, _("Export chain..."));
+       _button_sizer->Add (_export_chain, 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));
+       _export_chain->Bind        (wxEVT_BUTTON,       bind (&CertificateChainEditor::export_chain, 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());
+       }
+
+       SetSizerAndFit (_sizer);
+
+       update_certificate_list ();
+       update_private_key ();
+       update_sensitivity ();
+}
 
-       wxCheckBox* _use_any_servers;
-       EditableList<string, ServerDialog>* _servers_list;
-};
+void
+CertificateChainEditor::add_button (wxWindow* button)
+{
+       _button_sizer->Add (button, 0, wxLEFT | wxRIGHT, DCPOMATIC_SIZER_X_GAP);
+       _sizer->Layout ();
+}
 
-class CertificateChainEditor : public wxPanel
+void
+CertificateChainEditor::add_certificate ()
 {
-public:
-       CertificateChainEditor (
-               wxWindow* parent,
-               wxString title,
-               int border,
-               function<void (shared_ptr<dcp::CertificateChain>)> set,
-               function<shared_ptr<const dcp::CertificateChain> (void)> get
-               )
-               : wxPanel (parent)
-               , _set (set)
-               , _get (get)
-       {
-               wxFont subheading_font (*wxNORMAL_FONT);
-               subheading_font.SetWeight (wxFONTWEIGHT_BOLD);
+       wxFileDialog* d = new wxFileDialog (this, _("Select Certificate File"));
 
-               _sizer = new wxBoxSizer (wxVERTICAL);
+       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;
+                       }
 
-               {
-                       wxStaticText* m = new wxStaticText (this, wxID_ANY, title);
-                       m->SetFont (subheading_font);
-                       _sizer->Add (m, 0, wxALL, border);
+                       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()));
                }
+       }
 
-               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);
-
-               {
-                       wxListItem ip;
-                       ip.SetId (0);
-                       ip.SetText (_("Type"));
-                       ip.SetWidth (100);
-                       _certificates->InsertColumn (0, ip);
-               }
+       d->Destroy ();
 
-               {
-                       wxListItem ip;
-                       ip.SetId (1);
-                       ip.SetText (_("Thumbprint"));
-                       ip.SetWidth (340);
+       update_sensitivity ();
+}
 
-                       wxFont font = ip.GetFont ();
-                       font.SetFamily (wxFONTFAMILY_TELETYPE);
-                       ip.SetFont (font);
+void
+CertificateChainEditor::remove_certificate ()
+{
+       if (_nag_alter()) {
+               /* Cancel was clicked */
+               return;
+       }
 
-                       _certificates->InsertColumn (1, ip);
-               }
+       int i = _certificates->GetNextItem (-1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED);
+       if (i == -1) {
+               return;
+       }
 
-               certificates_sizer->Add (_certificates, 1, wxEXPAND);
-
-               {
-                       wxSizer* s = new wxBoxSizer (wxVERTICAL);
-                       _add_certificate = new wxButton (this, wxID_ANY, _("Add..."));
-                       s->Add (_add_certificate, 0, wxTOP | wxBOTTOM, DCPOMATIC_BUTTON_STACK_GAP);
-                       _remove_certificate = new wxButton (this, wxID_ANY, _("Remove"));
-                       s->Add (_remove_certificate, 0, wxTOP | wxBOTTOM, DCPOMATIC_BUTTON_STACK_GAP);
-                       _export_certificate = new wxButton (this, wxID_ANY, _("Export"));
-                       s->Add (_export_certificate, 0, wxTOP | wxBOTTOM, DCPOMATIC_BUTTON_STACK_GAP);
-                       certificates_sizer->Add (s, 0, wxLEFT, DCPOMATIC_SIZER_X_GAP);
-               }
+       _certificates->DeleteItem (i);
+       shared_ptr<dcp::CertificateChain> chain(new dcp::CertificateChain(*_get().get()));
+       chain->remove (i);
+       _set (chain);
 
-               wxGridBagSizer* table = new wxGridBagSizer (DCPOMATIC_SIZER_X_GAP, DCPOMATIC_SIZER_Y_GAP);
-               _sizer->Add (table, 1, wxALL | wxEXPAND, border);
-               int r = 0;
+       update_sensitivity ();
+       update_certificate_list ();
+}
 
-               add_label_to_sizer (table, this, _("Leaf private key"), true, wxGBPosition (r, 0));
-               _private_key = new wxStaticText (this, wxID_ANY, 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);
-               _load_private_key = new wxButton (this, wxID_ANY, _("Load..."));
-               table->Add (_load_private_key, wxGBPosition (r, 2));
-               _export_private_key = new wxButton (this, wxID_ANY, _("Export..."));
-               table->Add (_export_private_key, wxGBPosition (r, 3));
-               ++r;
-
-               _button_sizer = new wxBoxSizer (wxHORIZONTAL);
-               _remake_certificates = new wxButton (this, wxID_ANY, _("Re-make certificates and key..."));
-               _button_sizer->Add (_remake_certificates, 1, wxRIGHT, border);
-               table->Add (_button_sizer, wxGBPosition (r, 0), wxGBSpan (1, 4));
-               ++r;
-
-               _add_certificate->Bind     (wxEVT_COMMAND_BUTTON_CLICKED,       boost::bind (&CertificateChainEditor::add_certificate, this));
-               _remove_certificate->Bind  (wxEVT_COMMAND_BUTTON_CLICKED,       boost::bind (&CertificateChainEditor::remove_certificate, this));
-               _export_certificate->Bind  (wxEVT_COMMAND_BUTTON_CLICKED,       boost::bind (&CertificateChainEditor::export_certificate, this));
-               _certificates->Bind        (wxEVT_COMMAND_LIST_ITEM_SELECTED,   boost::bind (&CertificateChainEditor::update_sensitivity, this));
-               _certificates->Bind        (wxEVT_COMMAND_LIST_ITEM_DESELECTED, boost::bind (&CertificateChainEditor::update_sensitivity, this));
-               _remake_certificates->Bind (wxEVT_COMMAND_BUTTON_CLICKED,       boost::bind (&CertificateChainEditor::remake_certificates, this));
-               _load_private_key->Bind    (wxEVT_COMMAND_BUTTON_CLICKED,       boost::bind (&CertificateChainEditor::load_private_key, this));
-               _export_private_key->Bind  (wxEVT_COMMAND_BUTTON_CLICKED,       boost::bind (&CertificateChainEditor::export_private_key, this));
-
-               SetSizerAndFit (_sizer);
+void
+CertificateChainEditor::export_certificate ()
+{
+       int i = _certificates->GetNextItem (-1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED);
+       if (i == -1) {
+               return;
        }
 
-       void config_changed ()
-       {
-               _chain.reset (new dcp::CertificateChain (*_get().get ()));
-
-               update_certificate_list ();
-               update_private_key ();
-               update_sensitivity ();
-       }
+       wxFileDialog* d = new wxFileDialog (
+               this, _("Select Certificate File"), wxEmptyString, wxEmptyString, wxT ("PEM files (*.pem)|*.pem"),
+               wxFD_SAVE | wxFD_OVERWRITE_PROMPT
+               );
 
-       void add_button (wxWindow* button)
-       {
-               _button_sizer->Add (button);
-               _sizer->Layout ();
+       dcp::CertificateChain::List all = _get()->root_to_leaf ();
+       dcp::CertificateChain::List::iterator j = all.begin ();
+       for (int k = 0; k < i; ++k) {
+               ++j;
        }
 
-private:
-       void add_certificate ()
-       {
-               wxFileDialog* d = new wxFileDialog (this, _("Select Certificate File"));
-
-               if (d->ShowModal() == wxID_OK) {
-                       try {
-                               dcp::Certificate c (dcp::file_to_string (wx_to_std (d->GetPath ())));
-                               if (c.extra_data ()) {
-                                       message_dialog (
-                                               this,
-                                               _("This file contains other certificates (or other data) after its first certificate. "
-                                                 "Only the first certificate will be used.")
-                                               );
-                               }
-                               _chain->add (c);
-                               _set (_chain);
-                               update_certificate_list ();
-                       } catch (dcp::MiscError& e) {
-                               error_dialog (this, wxString::Format (_("Could not read certificate file (%s)"), e.what ()));
-                       }
+       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, OpenFileError::WRITE);
                }
 
-               d->Destroy ();
-
-               update_sensitivity ();
+               string const s = j->certificate (true);
+               checked_fwrite (s.c_str(), s.length(), f, path);
+               fclose (f);
        }
+       d->Destroy ();
+}
 
-       void remove_certificate ()
-       {
-               int i = _certificates->GetNextItem (-1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED);
-               if (i == -1) {
-                       return;
-               }
+void
+CertificateChainEditor::export_chain ()
+{
+       wxFileDialog* d = new wxFileDialog (
+               this, _("Select Chain File"), wxEmptyString, wxEmptyString, wxT("PEM files (*.pem)|*.pem"),
+               wxFD_SAVE | wxFD_OVERWRITE_PROMPT
+               );
 
-               _certificates->DeleteItem (i);
-               _chain->remove (i);
-               _set (_chain);
+       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, OpenFileError::WRITE);
+               }
 
-               update_sensitivity ();
+               string const s = _get()->chain();
+               checked_fwrite (s.c_str(), s.length(), f, path);
+               fclose (f);
        }
 
-       void export_certificate ()
-       {
-               int i = _certificates->GetNextItem (-1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED);
-               if (i == -1) {
-                       return;
-               }
-
-               wxFileDialog* d = new wxFileDialog (
-                       this, _("Select Certificate File"), wxEmptyString, wxEmptyString, wxT ("PEM files (*.pem)|*.pem"),
-                       wxFD_SAVE | wxFD_OVERWRITE_PROMPT
-                       );
+       d->Destroy ();
+}
 
-               dcp::CertificateChain::List all = _chain->root_to_leaf ();
-               dcp::CertificateChain::List::iterator j = all.begin ();
-               for (int k = 0; k < i; ++k) {
-                       ++j;
+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"));
                }
 
-               if (d->ShowModal () == wxID_OK) {
-                       FILE* f = fopen_boost (wx_to_std (d->GetPath ()), "w");
-                       if (!f) {
-                               throw OpenFileError (wx_to_std (d->GetPath ()));
-                       }
-
-                       string const s = j->certificate (true);
-                       fwrite (s.c_str(), 1, s.length(), f);
-                       fclose (f);
-               }
-               d->Destroy ();
+               ++n;
        }
 
-       void update_certificate_list ()
-       {
-               _certificates->DeleteAllItems ();
-               size_t n = 0;
-               dcp::CertificateChain::List certs = _chain->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"));
-                       }
+       static wxColour normal = _private_key_bad->GetForegroundColour ();
 
-                       ++n;
-               }
+       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 remake_certificates ()
-       {
-               shared_ptr<const dcp::CertificateChain> chain = _get ();
+void
+CertificateChainEditor::remake_certificates ()
+{
+       shared_ptr<const dcp::CertificateChain> chain = _get();
 
-               string subject_organization_name;
-               string subject_organizational_unit_name;
-               string root_common_name;
-               string intermediate_common_name;
-               string leaf_common_name;
+       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 ();
+       dcp::CertificateChain::List all = chain->root_to_leaf ();
 
-               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 ();
-               }
+       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 ();
+       }
 
-               if (all.size() >= 2) {
-                       /* Have a leaf */
-                       leaf_common_name = chain->leaf().subject_common_name ();
-               }
+       if (all.size() >= 2) {
+               /* Have a leaf */
+               leaf_common_name = chain->leaf().subject_common_name ();
+       }
 
-               if (all.size() >= 3) {
-                       /* Have an intermediate */
-                       dcp::CertificateChain::List::iterator i = all.begin ();
-                       ++i;
-                       intermediate_common_name = i->subject_common_name ();
-               }
+       if (all.size() >= 3) {
+               /* Have an intermediate */
+               dcp::CertificateChain::List::iterator i = all.begin ();
+               ++i;
+               intermediate_common_name = i->subject_common_name ();
+       }
 
-               MakeChainDialog* d = new MakeChainDialog (
-                       this,
-                       subject_organization_name,
-                       subject_organizational_unit_name,
-                       root_common_name,
-                       intermediate_common_name,
-                       leaf_common_name
-                       );
+       if (_nag_alter()) {
+               /* Cancel was clicked */
+               return;
+       }
 
-               if (d->ShowModal () == wxID_OK) {
-                       _chain.reset (
+       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 (),
@@ -890,651 +703,265 @@ private:
                                        d->intermediate_common_name (),
                                        d->leaf_common_name ()
                                        )
-                               );
-
-                       _set (_chain);
-                       update_certificate_list ();
-                       update_private_key ();
-               }
-
-               d->Destroy ();
-       }
-
-       void update_sensitivity ()
-       {
-               _remove_certificate->Enable (_certificates->GetNextItem (-1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED) != -1);
-               _export_certificate->Enable (_certificates->GetNextItem (-1, wxLIST_NEXT_ALL, wxLIST_STATE_SELECTED) != -1);
-       }
+                               )
+                       );
 
-       void update_private_key ()
-       {
-               checked_set (_private_key, dcp::private_key_fingerprint (_chain->key().get ()));
-               _sizer->Layout ();
+               update_certificate_list ();
+               update_private_key ();
        }
 
-       void load_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;
-                               }
-
-                               _chain->set_key (dcp::file_to_string (p));
-                               _set (_chain);
-                               update_private_key ();
-                       } catch (dcp::MiscError& e) {
-                               error_dialog (this, wxString::Format (_("Could not read certificate file (%s)"), e.what ()));
-                       }
-               }
-
-               d->Destroy ();
-
-               update_sensitivity ();
-       }
+       d->Destroy ();
+}
 
-       void export_private_key ()
-       {
-               optional<string> key = _chain->key ();
-               if (!key) {
-                       return;
-               }
+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);
+}
 
-               wxFileDialog* d = new wxFileDialog (
-                       this, _("Select Key File"), wxEmptyString, wxEmptyString, wxT ("PEM files (*.pem)|*.pem"),
-                       wxFD_SAVE | wxFD_OVERWRITE_PROMPT
-                       );
+void
+CertificateChainEditor::update_private_key ()
+{
+       checked_set (_private_key, dcp::private_key_fingerprint (_get()->key().get()));
+       _sizer->Layout ();
+}
 
-               if (d->ShowModal () == wxID_OK) {
-                       FILE* f = fopen_boost (wx_to_std (d->GetPath ()), "w");
-                       if (!f) {
-                               throw OpenFileError (wx_to_std (d->GetPath ()));
+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;
                        }
 
-                       string const s = _chain->key().get ();
-                       fwrite (s.c_str(), 1, s.length(), f);
-                       fclose (f);
+                       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 ();
        }
 
-       wxListCtrl* _certificates;
-       wxButton* _add_certificate;
-       wxButton* _export_certificate;
-       wxButton* _remove_certificate;
-       wxButton* _remake_certificates;
-       wxStaticText* _private_key;
-       wxButton* _load_private_key;
-       wxButton* _export_private_key;
-       wxSizer* _sizer;
-       wxBoxSizer* _button_sizer;
-       shared_ptr<dcp::CertificateChain> _chain;
-       boost::function<void (shared_ptr<dcp::CertificateChain>)> _set;
-       boost::function<shared_ptr<const dcp::CertificateChain> (void)> _get;
-};
-
-class KeysPage : public StandardPage
-{
-public:
-       KeysPage (wxSize panel_size, int border)
-               : StandardPage (panel_size, border)
-       {}
+       d->Destroy ();
 
-       wxString GetName () const
-       {
-               return _("Keys");
-       }
-
-#ifdef DCPOMATIC_OSX
-       wxBitmap GetLargeIcon () const
-       {
-               return wxBitmap ("keys", wxBITMAP_TYPE_PNG_RESOURCE);
-       }
-#endif
-
-private:
-
-       void setup ()
-       {
-               _signer = new CertificateChainEditor (
-                       _panel, _("Signing DCPs and KDMs"), _border,
-                       boost::bind (&Config::set_signer_chain, Config::instance (), _1),
-                       boost::bind (&Config::signer_chain, Config::instance ())
-                       );
-
-               _panel->GetSizer()->Add (_signer);
-
-               _decryption = new CertificateChainEditor (
-                       _panel, _("Decrypting DCPs"), _border,
-                       boost::bind (&Config::set_decryption_chain, Config::instance (), _1),
-                       boost::bind (&Config::decryption_chain, Config::instance ())
-                       );
-
-               _panel->GetSizer()->Add (_decryption);
-
-               _export_decryption_certificate = new wxButton (_decryption, wxID_ANY, _("Export DCP decryption certificate..."));
-               _decryption->add_button (_export_decryption_certificate);
+       update_sensitivity ();
+}
 
-               _export_decryption_certificate->Bind (wxEVT_COMMAND_BUTTON_CLICKED, boost::bind (&KeysPage::export_decryption_certificate, this));
+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_chain()->leaf().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, OpenFileError::WRITE);
                }
-               d->Destroy ();
-       }
 
-       void config_changed ()
-       {
-               _signer->config_changed ();
-               _decryption->config_changed ();
+               string const s = _get()->key().get ();
+               checked_fwrite (s.c_str(), s.length(), f, path);
+               fclose (f);
        }
+       d->Destroy ();
+}
 
-       CertificateChainEditor* _signer;
-       CertificateChainEditor* _decryption;
-       wxButton* _export_decryption_certificate;
-};
-
-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, _("Protocol"), true);
-               _tms_protocol = new wxChoice (_panel, wxID_ANY);
-               table->Add (_tms_protocol, 1, wxEXPAND);
-
-               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_protocol->Append (_("SCP (for AAM and Doremi)"));
-               _tms_protocol->Append (_("FTP (for Dolby)"));
-
-               _tms_protocol->Bind (wxEVT_COMMAND_CHOICE_SELECTED, boost::bind (&TMSPage::tms_protocol_changed, this));
-               _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 ();
-
-               checked_set (_tms_protocol, config->tms_protocol ());
-               checked_set (_tms_ip, config->tms_ip ());
-               checked_set (_tms_path, config->tms_path ());
-               checked_set (_tms_user, config->tms_user ());
-               checked_set (_tms_password, config->tms_password ());
+               wxStaticText* m = new StaticText (_panel, _("Decrypting KDMs"));
+               m->SetFont (subheading_font);
+               sizer->Add (m, 0, wxALL, _border);
        }
 
-       void tms_protocol_changed ()
-       {
-               Config::instance()->set_tms_protocol (static_cast<Protocol> (_tms_protocol->GetSelection ()));
-       }
+       wxButton* export_decryption_certificate = new Button (_panel, _("Export KDM decryption certificate..."));
+       sizer->Add (export_decryption_certificate, 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);
 
-       void tms_ip_changed ()
-       {
-               Config::instance()->set_tms_ip (wx_to_std (_tms_ip->GetValue ()));
-       }
+       export_decryption_certificate->Bind (wxEVT_BUTTON, bind (&KeysPage::export_decryption_certificate, 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));
 
-       void tms_path_changed ()
        {
-               Config::instance()->set_tms_path (wx_to_std (_tms_path->GetValue ()));
+               wxStaticText* m = new StaticText (_panel, _("Signing DCPs and KDMs"));
+               m->SetFont (subheading_font);
+               sizer->Add (m, 0, wxALL, _border);
        }
 
-       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 ()));
-       }
-
-       wxChoice* _tms_protocol;
-       wxTextCtrl* _tms_ip;
-       wxTextCtrl* _tms_path;
-       wxTextCtrl* _tms_user;
-       wxTextCtrl* _tms_password;
-};
+       wxButton* signing_advanced = new Button (_panel, _("Advanced..."));
+       sizer->Add (signing_advanced, 0, wxLEFT, _border);
+       signing_advanced->Bind (wxEVT_BUTTON, bind (&KeysPage::signing_advanced, this));
+}
 
-static string
-column (string s)
+void
+KeysPage::decryption_advanced ()
 {
-       return s;
+       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_alter_decryption_chain, this)
+               );
+
+       c->ShowModal();
 }
 
-class KDMEmailPage : public StandardPage
+void
+KeysPage::signing_advanced ()
 {
-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");
-       }
+       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();
+}
 
-#ifdef DCPOMATIC_OSX
-       wxBitmap GetLargeIcon () const
-       {
-               return wxBitmap ("kdm_email", wxBITMAP_TYPE_PNG_RESOURCE);
-       }
-#endif
+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
+               );
 
-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);
-               {
-                       wxBoxSizer* s = new wxBoxSizer (wxHORIZONTAL);
-                       _mail_server = new wxTextCtrl (_panel, wxID_ANY);
-                       s->Add (_mail_server, 1, wxEXPAND | wxALL);
-                       add_label_to_sizer (s, _panel, _("port"), false);
-                       _mail_port = new wxSpinCtrl (_panel, wxID_ANY);
-                       _mail_port->SetRange (0, 65535);
-                       s->Add (_mail_port);
-                       table->Add (s, 1, wxEXPAND | wxALL);
+       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, OpenFileError::WRITE);
                }
 
-               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);
-
-               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);
-
-               vector<string> columns;
-               columns.push_back (wx_to_std (_("Address")));
-               add_label_to_sizer (table, _panel, _("CC addresses"), true);
-               _kdm_cc = new EditableList<string, EmailDialog> (
-                       _panel,
-                       columns,
-                       bind (&Config::kdm_cc, Config::instance()),
-                       bind (&Config::set_kdm_cc, Config::instance(), _1),
-                       bind (&string_not_empty, _1),
-                       bind (&column, _1)
-                       );
-               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 (-1, 200), wxTE_MULTILINE);
-               _panel->GetSizer()->Add (_kdm_email, 0, wxEXPAND | wxALL, _border);
-
-               _reset_kdm_email = new wxButton (_panel, wxID_ANY, _("Reset to default subject and text"));
-               _panel->GetSizer()->Add (_reset_kdm_email, 0, wxEXPAND | wxALL, _border);
-
-               _kdm_cc->layout ();
-
-               _mail_server->Bind (wxEVT_COMMAND_TEXT_UPDATED, boost::bind (&KDMEmailPage::mail_server_changed, this));
-               _mail_port->Bind (wxEVT_COMMAND_SPINCTRL_UPDATED, boost::bind (&KDMEmailPage::mail_port_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_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));
-       }
-
-       void config_changed ()
-       {
-               Config* config = Config::instance ();
-
-               checked_set (_mail_server, config->mail_server ());
-               checked_set (_mail_port, config->mail_port ());
-               checked_set (_mail_user, config->mail_user ());
-               checked_set (_mail_password, config->mail_password ());
-               checked_set (_kdm_subject, config->kdm_subject ());
-               checked_set (_kdm_from, config->kdm_from ());
-               checked_set (_kdm_bcc, config->kdm_bcc ());
-               checked_set (_kdm_email, Config::instance()->kdm_email ());
-       }
-
-       void mail_server_changed ()
-       {
-               Config::instance()->set_mail_server (wx_to_std (_mail_server->GetValue ()));
+               string const chain = Config::instance()->decryption_chain()->chain();
+               checked_fwrite (chain.c_str(), chain.length(), f, path);
+               optional<string> const key = Config::instance()->decryption_chain()->key();
+               DCPOMATIC_ASSERT (key);
+               checked_fwrite (key->c_str(), key->length(), f, path);
+               fclose (f);
        }
+       d->Destroy ();
 
-       void mail_port_changed ()
-       {
-               Config::instance()->set_mail_port (_mail_port->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 kdm_subject_changed ()
-       {
-               Config::instance()->set_kdm_subject (wx_to_std (_kdm_subject->GetValue ()));
+void
+KeysPage::import_decryption_chain_and_key ()
+{
+       if (NagDialog::maybe_nag (
+                   _panel,
+                   Config::NAG_IMPORT_DECRYPTION_CHAIN,
+                   _("If you continue with this operation you will no longer be able to use any DKDMs that you have created with the current certificates and key.  Also, any KDMs that have been sent to you for those certificates will become useless.  Proceed with caution!"),
+                   true
+                   )) {
+               return;
        }
 
-       void kdm_from_changed ()
-       {
-               Config::instance()->set_kdm_from (wx_to_std (_kdm_from->GetValue ()));
-       }
+       wxFileDialog* d = new wxFileDialog (
+               _panel, _("Select File To Import"), wxEmptyString, wxEmptyString, wxT ("DOM files (*.dom)|*.dom")
+               );
 
-       void kdm_bcc_changed ()
-       {
-               Config::instance()->set_kdm_bcc (wx_to_std (_kdm_bcc->GetValue ()));
-       }
+       if (d->ShowModal () == wxID_OK) {
+               shared_ptr<dcp::CertificateChain> new_chain(new dcp::CertificateChain());
 
-       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;
+               FILE* f = fopen_boost (wx_to_std (d->GetPath ()), "r");
+               if (!f) {
+                       throw OpenFileError (wx_to_std (d->GetPath ()), errno, OpenFileError::WRITE);
                }
-               Config::instance()->set_kdm_email (wx_to_std (_kdm_email->GetValue ()));
-       }
-
-       void reset_kdm_email ()
-       {
-               Config::instance()->reset_kdm_email ();
-               checked_set (_kdm_email, Config::instance()->kdm_email ());
-       }
 
-       wxTextCtrl* _mail_server;
-       wxSpinCtrl* _mail_port;
-       wxTextCtrl* _mail_user;
-       wxTextCtrl* _mail_password;
-       wxTextCtrl* _kdm_subject;
-       wxTextCtrl* _kdm_from;
-       EditableList<string, EmailDialog>* _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
-{
-public:
-       AdvancedPage (wxSize panel_size, int border)
-               : StockPage (Kind_Advanced, panel_size, border)
-               , _maximum_j2k_bandwidth (0)
-               , _allow_any_dcp_frame_rate (0)
-               , _only_servers_encode (0)
-               , _log_general (0)
-               , _log_warning (0)
-               , _log_error (0)
-               , _log_timing (0)
-               , _log_debug_decode (0)
-               , _log_debug_encode (0)
-               , _log_debug_email (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);
+               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);
 
-               _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);
-
-               _only_servers_encode = new wxCheckBox (_panel, wxID_ANY, _("Only servers encode"));
-               table->Add (_only_servers_encode, 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);
-                       /// TRANSLATORS: translate the word "Timing" here; do not include the "Config|" prefix
-                       _log_timing = new wxCheckBox (_panel, wxID_ANY, S_("Config|Timing"));
-                       t->Add (_log_timing, 1, wxEXPAND | wxALL);
-                       _log_debug_decode = new wxCheckBox (_panel, wxID_ANY, _("Debug: decode"));
-                       t->Add (_log_debug_decode, 1, wxEXPAND | wxALL);
-                       _log_debug_encode = new wxCheckBox (_panel, wxID_ANY, _("Debug: encode"));
-                       t->Add (_log_debug_encode, 1, wxEXPAND | wxALL);
-                       _log_debug_email = new wxCheckBox (_panel, wxID_ANY, _("Debug: email sending"));
-                       t->Add (_log_debug_email, 1, wxEXPAND | wxALL);
-                       table->Add (t, 0, wxALL, 6);
+               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"));
                }
-
-#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));
-               _only_servers_encode->Bind (wxEVT_COMMAND_CHECKBOX_CLICKED, boost::bind (&AdvancedPage::only_servers_encode_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));
-               _log_debug_decode->Bind (wxEVT_COMMAND_CHECKBOX_CLICKED, boost::bind (&AdvancedPage::log_changed, this));
-               _log_debug_encode->Bind (wxEVT_COMMAND_CHECKBOX_CLICKED, boost::bind (&AdvancedPage::log_changed, this));
-               _log_debug_email->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
-       }
-
-       void config_changed ()
-       {
-               Config* config = Config::instance ();
-
-               checked_set (_maximum_j2k_bandwidth, config->maximum_j2k_bandwidth() / 1000000);
-               checked_set (_allow_any_dcp_frame_rate, config->allow_any_dcp_frame_rate ());
-               checked_set (_only_servers_encode, config->only_servers_encode ());
-               checked_set (_log_general, config->log_types() & LogEntry::TYPE_GENERAL);
-               checked_set (_log_warning, config->log_types() & LogEntry::TYPE_WARNING);
-               checked_set (_log_error, config->log_types() & LogEntry::TYPE_ERROR);
-               checked_set (_log_timing, config->log_types() & LogEntry::TYPE_TIMING);
-               checked_set (_log_debug_decode, config->log_types() & LogEntry::TYPE_DEBUG_DECODE);
-               checked_set (_log_debug_encode, config->log_types() & LogEntry::TYPE_DEBUG_ENCODE);
-               checked_set (_log_debug_email, config->log_types() & LogEntry::TYPE_DEBUG_EMAIL);
-#ifdef DCPOMATIC_WINDOWS
-               checked_set (_win32_console, config->win32_console());
-#endif
-       }
-
-       void maximum_j2k_bandwidth_changed ()
-       {
-               Config::instance()->set_maximum_j2k_bandwidth (_maximum_j2k_bandwidth->GetValue() * 1000000);
        }
+       d->Destroy ();
+}
 
-       void allow_any_dcp_frame_rate_changed ()
-       {
-               Config::instance()->set_allow_any_dcp_frame_rate (_allow_any_dcp_frame_rate->GetValue ());
-       }
+bool
+KeysPage::nag_alter_decryption_chain ()
+{
+       return NagDialog::maybe_nag (
+               _panel,
+               Config::NAG_ALTER_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 only_servers_encode_changed ()
-       {
-               Config::instance()->set_only_servers_encode (_only_servers_encode->GetValue ());
-       }
+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
+               );
 
-       void log_changed ()
-       {
-               int types = 0;
-               if (_log_general->GetValue ()) {
-                       types |= LogEntry::TYPE_GENERAL;
-               }
-               if (_log_warning->GetValue ()) {
-                       types |= LogEntry::TYPE_WARNING;
-               }
-               if (_log_error->GetValue ())  {
-                       types |= LogEntry::TYPE_ERROR;
-               }
-               if (_log_timing->GetValue ()) {
-                       types |= LogEntry::TYPE_TIMING;
-               }
-               if (_log_debug_decode->GetValue ()) {
-                       types |= LogEntry::TYPE_DEBUG_DECODE;
-               }
-               if (_log_debug_encode->GetValue ()) {
-                       types |= LogEntry::TYPE_DEBUG_ENCODE;
+       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, OpenFileError::WRITE);
                }
-               if (_log_debug_email->GetValue ()) {
-                       types |= LogEntry::TYPE_DEBUG_EMAIL;
-               }
-               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);
+               checked_fwrite (s.c_str(), s.length(), f, path);
+               fclose (f);
        }
-#endif
-
-       wxSpinCtrl* _maximum_j2k_bandwidth;
-       wxCheckBox* _allow_any_dcp_frame_rate;
-       wxCheckBox* _only_servers_encode;
-       wxCheckBox* _log_general;
-       wxCheckBox* _log_warning;
-       wxCheckBox* _log_error;
-       wxCheckBox* _log_timing;
-       wxCheckBox* _log_debug_decode;
-       wxCheckBox* _log_debug_encode;
-       wxCheckBox* _log_debug_email;
-#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 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 ();
 }