Cleanup: replace some list with vector.
[dcpomatic.git] / src / tools / dcpomatic.cc
index 9cd99a265f553b9e51f39a600e20dbe340a0a9a7..d6b6bc2b72aaba15126950ebdf4244c7e051d260 100644 (file)
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2012-2019 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2012-2021 Carl Hetherington <cth@carlh.net>
 
     This file is part of DCP-o-matic.
 
 
 */
 
+
 /** @file  src/tools/dcpomatic.cc
  *  @brief The main DCP-o-matic GUI.
  */
 
-#include "wx/standard_controls.h"
-#include "wx/film_viewer.h"
+
+#include "wx/about_dialog.h"
+#include "wx/content_panel.h"
+#include "wx/dkdm_dialog.h"
+#include "wx/export_subtitles_dialog.h"
+#include "wx/export_video_file_dialog.h"
 #include "wx/film_editor.h"
-#include "wx/job_manager_view.h"
-#include "wx/full_config_dialog.h"
-#include "wx/wx_util.h"
 #include "wx/film_name_location_dialog.h"
-#include "wx/wx_signal_manager.h"
-#include "wx/recreate_chain_dialog.h"
-#include "wx/about_dialog.h"
+#include "wx/film_viewer.h"
+#include "wx/focus_manager.h"
+#include "wx/full_config_dialog.h"
+#include "wx/hints_dialog.h"
+#include "wx/html_dialog.h"
+#include "wx/i18n_hook.h"
+#include "wx/job_manager_view.h"
 #include "wx/kdm_dialog.h"
-#include "wx/dkdm_dialog.h"
+#include "wx/nag_dialog.h"
+#include "wx/paste_dialog.h"
+#include "wx/recreate_chain_dialog.h"
+#include "wx/report_problem_dialog.h"
+#include "wx/save_template_dialog.h"
 #include "wx/self_dkdm_dialog.h"
+#include "wx/send_i18n_dialog.h"
 #include "wx/servers_list_dialog.h"
-#include "wx/hints_dialog.h"
-#include "wx/update_dialog.h"
-#include "wx/content_panel.h"
-#include "wx/report_problem_dialog.h"
-#include "wx/video_waveform_dialog.h"
+#include "wx/standard_controls.h"
 #include "wx/system_information_dialog.h"
-#include "wx/save_template_dialog.h"
 #include "wx/templates_dialog.h"
-#include "wx/nag_dialog.h"
-#include "wx/export_dialog.h"
-#include "wx/paste_dialog.h"
-#include "wx/focus_manager.h"
-#include "wx/html_dialog.h"
-#include "wx/initial_setup_dialog.h"
-#include "wx/send_i18n_dialog.h"
-#include "wx/i18n_hook.h"
-#include "lib/film.h"
+#include "wx/update_dialog.h"
+#include "wx/video_waveform_dialog.h"
+#include "wx/wx_signal_manager.h"
+#include "wx/wx_util.h"
 #include "lib/analytics.h"
-#include "lib/emailer.h"
+#include "lib/audio_content.h"
+#include "lib/check_content_job.h"
+#include "lib/cinema.h"
+#include "lib/compose.hpp"
 #include "lib/config.h"
-#include "lib/util.h"
-#include "lib/video_content.h"
+#include "lib/constants.h"
 #include "lib/content.h"
-#include "lib/version.h"
-#include "lib/signal_manager.h"
-#include "lib/log.h"
-#include "lib/screen.h"
-#include "lib/job_manager.h"
-#include "lib/exceptions.h"
-#include "lib/cinema.h"
-#include "lib/kdm_with_metadata.h"
-#include "lib/send_kdm_email_job.h"
-#include "lib/encode_server_finder.h"
-#include "lib/update_checker.h"
-#include "lib/cross.h"
 #include "lib/content_factory.h"
-#include "lib/compose.hpp"
-#include "lib/dcpomatic_socket.h"
-#include "lib/hints.h"
+#include "lib/cross.h"
+#include "lib/cross.h"
 #include "lib/dcp_content.h"
-#include "lib/ffmpeg_encoder.h"
-#include "lib/transcode_job.h"
-#include "lib/dkdm_wrapper.h"
-#include "lib/audio_content.h"
-#include "lib/check_content_change_job.h"
-#include "lib/text_content.h"
 #include "lib/dcpomatic_log.h"
+#include "lib/dcpomatic_socket.h"
+#include "lib/dkdm_wrapper.h"
+#include "lib/emailer.h"
+#include "lib/encode_server_finder.h"
+#include "lib/exceptions.h"
+#include "lib/ffmpeg_encoder.h"
+#include "lib/film.h"
+#include "lib/font_config.h"
+#include "lib/hints.h"
+#include "lib/job_manager.h"
+#include "lib/kdm_with_metadata.h"
+#include "lib/log.h"
+#include "lib/make_dcp.h"
+#include "lib/release_notes.h"
+#include "lib/screen.h"
+#include "lib/send_kdm_email_job.h"
+#include "lib/signal_manager.h"
 #include "lib/subtitle_encoder.h"
+#include "lib/text_content.h"
+#include "lib/transcode_job.h"
+#include "lib/update_checker.h"
+#include "lib/version.h"
+#include "lib/video_content.h"
 #include <dcp/exceptions.h>
 #include <dcp/raw_convert.h>
-#include <wx/generic/aboutdlgg.h>
-#include <wx/stdpaths.h>
+#include <dcp/warnings.h>
+LIBDCP_DISABLE_WARNINGS
 #include <wx/cmdline.h>
+#include <wx/generic/aboutdlgg.h>
 #include <wx/preferences.h>
 #include <wx/splash.h>
+#include <wx/stdpaths.h>
 #include <wx/wxhtml.h>
+LIBDCP_ENABLE_WARNINGS
 #ifdef __WXGTK__
 #include <X11/Xlib.h>
 #endif
 #ifdef __WXMSW__
 #include <shellapi.h>
 #endif
-#ifdef __WXOSX__
-#include <ApplicationServices/ApplicationServices.h>
-#endif
-#include <boost/filesystem.hpp>
-#include <boost/noncopyable.hpp>
-#include <boost/foreach.hpp>
 #include <boost/algorithm/string.hpp>
+#include <boost/filesystem.hpp>
 #include <iostream>
 #include <fstream>
 /* This is OK as it's only used with DCPOMATIC_WINDOWS */
 #undef check
 #endif
 
+
 using std::cout;
-using std::wcout;
+using std::dynamic_pointer_cast;
+using std::exception;
+using std::function;
+using std::list;
+using std::make_pair;
+using std::make_shared;
+using std::map;
+using std::shared_ptr;
 using std::string;
 using std::vector;
-using std::wstring;
-using std::wstringstream;
-using std::map;
-using std::make_pair;
-using std::list;
-using std::exception;
-using boost::shared_ptr;
-using boost::dynamic_pointer_cast;
+using std::wcout;
 using boost::optional;
-using boost::function;
 using boost::is_any_of;
 using boost::algorithm::find;
+#if BOOST_VERSION >= 106100
+using namespace boost::placeholders;
+#endif
 using dcp::raw_convert;
 
-class FilmChangedClosingDialog : public boost::noncopyable
+
+class FilmChangedClosingDialog
 {
 public:
        explicit FilmChangedClosingDialog (string name)
-       {
-               _dialog = new wxMessageDialog (
-                       0,
-                       wxString::Format (_("Save changes to film \"%s\" before closing?"), std_to_wx (name).data()),
+               : _dialog(
+                       nullptr,
+                       wxString::Format(_("Save changes to film \"%s\" before closing?"), std_to_wx (name).data()),
                        /// TRANSLATORS: this is the heading for a dialog box, which tells the user that the current
                        /// project (Film) has been changed since it was last saved.
                        _("Film changed"),
                        wxYES_NO | wxCANCEL | wxYES_DEFAULT | wxICON_QUESTION
-                       );
-
-               _dialog->SetYesNoCancelLabels (
+                       )
+       {
+               _dialog.SetYesNoCancelLabels(
                        _("Save film and close"), _("Close without saving film"), _("Don't close")
                        );
        }
 
-       ~FilmChangedClosingDialog ()
-       {
-               _dialog->Destroy ();
-       }
-
        int run ()
        {
-               return _dialog->ShowModal ();
+               return _dialog.ShowModal();
        }
 
 private:
-       wxMessageDialog* _dialog;
+       wxMessageDialog _dialog;
 };
 
-class FilmChangedDuplicatingDialog : public boost::noncopyable
+
+class FilmChangedDuplicatingDialog
 {
 public:
        explicit FilmChangedDuplicatingDialog (string name)
-       {
-               _dialog = new wxMessageDialog (
-                       0,
-                       wxString::Format (_("Save changes to film \"%s\" before duplicating?"), std_to_wx (name).data()),
+               : _dialog(
+                       nullptr,
+                       wxString::Format(_("Save changes to film \"%s\" before duplicating?"), std_to_wx (name).data()),
                        /// TRANSLATORS: this is the heading for a dialog box, which tells the user that the current
                        /// project (Film) has been changed since it was last saved.
                        _("Film changed"),
                        wxYES_NO | wxCANCEL | wxYES_DEFAULT | wxICON_QUESTION
-                       );
-
-               _dialog->SetYesNoCancelLabels (
+                       )
+       {
+               _dialog.SetYesNoCancelLabels(
                        _("Save film and duplicate"), _("Duplicate without saving film"), _("Don't duplicate")
                        );
        }
 
-       ~FilmChangedDuplicatingDialog ()
-       {
-               _dialog->Destroy ();
-       }
-
        int run ()
        {
-               return _dialog->ShowModal ();
+               return _dialog.ShowModal();
        }
 
 private:
-       wxMessageDialog* _dialog;
+       wxMessageDialog _dialog;
 };
 
+
 #define ALWAYS                        0x0
 #define NEEDS_FILM                    0x1
 #define NOT_DURING_DCP_CREATION       0x2
@@ -208,6 +206,7 @@ private:
 #define NEEDS_CLIPBOARD               0x40
 #define NEEDS_ENCRYPTION              0x80
 
+
 map<wxMenuItem*, int> menu_items;
 
 enum {
@@ -222,12 +221,14 @@ enum {
        ID_file_close = 100,
        ID_edit_copy,
        ID_edit_paste,
+       ID_edit_select_all,
        ID_jobs_make_dcp,
        ID_jobs_make_dcp_batch,
        ID_jobs_make_kdms,
        ID_jobs_make_dkdms,
        ID_jobs_make_self_dkdm,
-       ID_jobs_export,
+       ID_jobs_export_video_file,
+       ID_jobs_export_subtitles,
        ID_jobs_send_dcp_to_tms,
        ID_jobs_show_dcp,
        ID_jobs_open_dcp_in_player,
@@ -240,6 +241,7 @@ enum {
        ID_tools_send_translations,
        ID_tools_system_information,
        ID_tools_restore_default_preferences,
+       ID_tools_export_preferences,
        ID_help_report_a_problem,
        /* IDs for shortcuts (with no associated menu item) */
        ID_add_file,
@@ -250,27 +252,62 @@ enum {
        ID_forward_frame
 };
 
+
+class LimitedFrameSplitter : public wxSplitterWindow
+{
+public:
+       LimitedFrameSplitter(wxWindow* parent)
+               : wxSplitterWindow(parent, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxSP_NOBORDER | wxSP_3DSASH | wxSP_LIVE_UPDATE)
+       {
+               /* This value doesn't really mean much but we just want to stop double-click on the
+                  divider from shrinking the left panel.
+                  */
+               SetMinimumPaneSize(64);
+
+               Bind(wxEVT_SIZE, boost::bind(&LimitedFrameSplitter::sized, this, _1));
+       }
+
+       bool OnSashPositionChange(int new_position) override
+       {
+               /* Try to stop the left bit of the splitter getting too small */
+               auto const ok = new_position > _left_panel_minimum_size;
+               if (ok) {
+                       Config::instance()->set_main_divider_sash_position(new_position);
+               }
+               return ok;
+       }
+
+private:
+       void sized(wxSizeEvent& ev)
+       {
+               if (GetSize().GetWidth() > _left_panel_minimum_size && GetSashPosition() < _left_panel_minimum_size) {
+                       /* The window is now fairly big but the left panel is small; this happens when the DCP-o-matic window
+                        * is shrunk and then made larger again.  Try to set a sensible left panel size in this case.
+                        */
+                       SetSashPosition(Config::instance()->main_divider_sash_position().get_value_or(_left_panel_minimum_size));
+               }
+
+               ev.Skip();
+       }
+
+       int const _left_panel_minimum_size = 200;
+};
+
+
 class DOMFrame : public wxFrame
 {
 public:
-       explicit DOMFrame (wxString const & title)
-               : wxFrame (NULL, -1, title)
-               , _video_waveform_dialog (0)
-               , _system_information_dialog (0)
-               , _hints_dialog (0)
-               , _servers_list_dialog (0)
-               , _config_dialog (0)
-               , _kdm_dialog (0)
-               , _dkdm_dialog (0)
-               , _templates_dialog (0)
-               , _file_menu (0)
-               , _history_items (0)
-               , _history_position (0)
-               , _history_separator (0)
-               , _update_news_requested (false)
+       explicit DOMFrame (wxString const& title)
+               : wxFrame (nullptr, -1, title)
+               /* Use a panel as the only child of the Frame so that we avoid
+                  the dark-grey background on Windows.
+               */
+               , _splitter(new LimitedFrameSplitter(this))
+               , _right_panel(new wxPanel(_splitter, wxID_ANY))
+               , _film_viewer(_right_panel)
        {
 #if defined(DCPOMATIC_WINDOWS)
-               if (Config::instance()->win32_console ()) {
+               if (Config::instance()->win32_console()) {
                        AllocConsole();
 
                        HANDLE handle_out = GetStdHandle(STD_OUTPUT_HANDLE);
@@ -289,7 +326,7 @@ public:
                }
 #endif
 
-               wxMenuBar* bar = new wxMenuBar;
+               auto bar = new wxMenuBar;
                setup_menu (bar);
                SetMenuBar (bar);
 
@@ -297,7 +334,7 @@ public:
                SetIcon (wxIcon (std_to_wx ("id")));
 #endif
 
-               _config_changed_connection = Config::instance()->Changed.connect (boost::bind (&DOMFrame::config_changed, this, _1));
+               _config_changed_connection = Config::instance()->Changed.connect(boost::bind(&DOMFrame::config_changed, this, _1));
                config_changed (Config::OTHER);
 
                _analytics_message_connection = Analytics::instance()->Message.connect(boost::bind(&DOMFrame::analytics_message, this, _1, _2));
@@ -313,13 +350,15 @@ public:
                Bind (wxEVT_MENU, boost::bind (&DOMFrame::file_exit, this),               wxID_EXIT);
                Bind (wxEVT_MENU, boost::bind (&DOMFrame::edit_copy, this),               ID_edit_copy);
                Bind (wxEVT_MENU, boost::bind (&DOMFrame::edit_paste, this),              ID_edit_paste);
+               Bind (wxEVT_MENU, boost::bind (&DOMFrame::edit_select_all, this),         ID_edit_select_all);
                Bind (wxEVT_MENU, boost::bind (&DOMFrame::edit_preferences, this),        wxID_PREFERENCES);
                Bind (wxEVT_MENU, boost::bind (&DOMFrame::jobs_make_dcp, this),           ID_jobs_make_dcp);
                Bind (wxEVT_MENU, boost::bind (&DOMFrame::jobs_make_kdms, this),          ID_jobs_make_kdms);
                Bind (wxEVT_MENU, boost::bind (&DOMFrame::jobs_make_dkdms, this),         ID_jobs_make_dkdms);
                Bind (wxEVT_MENU, boost::bind (&DOMFrame::jobs_make_dcp_batch, this),     ID_jobs_make_dcp_batch);
                Bind (wxEVT_MENU, boost::bind (&DOMFrame::jobs_make_self_dkdm, this),     ID_jobs_make_self_dkdm);
-               Bind (wxEVT_MENU, boost::bind (&DOMFrame::jobs_export, this),             ID_jobs_export);
+               Bind (wxEVT_MENU, boost::bind (&DOMFrame::jobs_export_video_file, this),  ID_jobs_export_video_file);
+               Bind (wxEVT_MENU, boost::bind (&DOMFrame::jobs_export_subtitles, this),   ID_jobs_export_subtitles);
                Bind (wxEVT_MENU, boost::bind (&DOMFrame::jobs_send_dcp_to_tms, this),    ID_jobs_send_dcp_to_tms);
                Bind (wxEVT_MENU, boost::bind (&DOMFrame::jobs_show_dcp, this),           ID_jobs_show_dcp);
                Bind (wxEVT_MENU, boost::bind (&DOMFrame::jobs_open_dcp_in_player, this), ID_jobs_open_dcp_in_player);
@@ -332,41 +371,42 @@ public:
                Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_send_translations, this), ID_tools_send_translations);
                Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_system_information, this),ID_tools_system_information);
                Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_restore_default_preferences, this), ID_tools_restore_default_preferences);
+               Bind (wxEVT_MENU, boost::bind (&DOMFrame::tools_export_preferences, this), ID_tools_export_preferences);
                Bind (wxEVT_MENU, boost::bind (&DOMFrame::help_about, this),              wxID_ABOUT);
                Bind (wxEVT_MENU, boost::bind (&DOMFrame::help_report_a_problem, this),   ID_help_report_a_problem);
 
                Bind (wxEVT_CLOSE_WINDOW, boost::bind (&DOMFrame::close, this, _1));
+               Bind (wxEVT_SHOW, boost::bind (&DOMFrame::show, this, _1));
 
-               /* Use a panel as the only child of the Frame so that we avoid
-                  the dark-grey background on Windows.
-               */
-               wxPanel* overall_panel = new wxPanel (this, wxID_ANY);
+               auto left_panel = new wxPanel(_splitter, wxID_ANY);
 
-               _film_viewer.reset (new FilmViewer (overall_panel));
-               _controls = new StandardControls (overall_panel, _film_viewer, true);
-               _film_editor = new FilmEditor (overall_panel, _film_viewer);
-               JobManagerView* job_manager_view = new JobManagerView (overall_panel, false);
+               _film_editor = new FilmEditor(left_panel, _film_viewer);
 
-               wxBoxSizer* right_sizer = new wxBoxSizer (wxVERTICAL);
-               right_sizer->Add (_film_viewer->panel(), 2, wxEXPAND | wxALL, 6);
+               auto left_sizer = new wxBoxSizer(wxHORIZONTAL);
+               left_sizer->Add(_film_editor, 1, wxEXPAND);
+
+               left_panel->SetSizerAndFit(left_sizer);
+
+               _controls = new StandardControls(_right_panel, _film_viewer, true);
+               auto job_manager_view = new JobManagerView(_right_panel, false);
+
+               auto right_sizer = new wxBoxSizer (wxVERTICAL);
+               right_sizer->Add(_film_viewer.panel(), 2, wxEXPAND | wxALL, 6);
                right_sizer->Add (_controls, 0, wxEXPAND | wxALL, 6);
                right_sizer->Add (job_manager_view, 1, wxEXPAND | wxALL, 6);
 
-               wxBoxSizer* main_sizer = new wxBoxSizer (wxHORIZONTAL);
-               main_sizer->Add (_film_editor, 0, wxEXPAND | wxALL, 6);
-               main_sizer->Add (right_sizer, 1, wxEXPAND | wxALL, 6);
+               _right_panel->SetSizer(right_sizer);
+
+               _splitter->SplitVertically(left_panel, _right_panel, Config::instance()->main_divider_sash_position().get_value_or(left_panel->GetSize().GetWidth() + 8));
 
                set_menu_sensitivity ();
 
-               _film_editor->FileChanged.connect (bind (&DOMFrame::file_changed, this, _1));
                _film_editor->content_panel()->SelectionChanged.connect (boost::bind (&DOMFrame::set_menu_sensitivity, this));
-               file_changed ("");
-
-               JobManager::instance()->ActiveJobsChanged.connect (boost::bind (&DOMFrame::set_menu_sensitivity, this));
+               set_title ();
 
-               overall_panel->SetSizer (main_sizer);
+               JobManager::instance()->ActiveJobsChanged.connect(boost::bind(&DOMFrame::active_jobs_changed, this));
 
-               UpdateChecker::instance()->StateChanged.connect (boost::bind (&DOMFrame::update_checker_state_changed, this));
+               UpdateChecker::instance()->StateChanged.connect(boost::bind(&DOMFrame::update_checker_state_changed, this));
 
                FocusManager::instance()->SetFocus.connect (boost::bind (&DOMFrame::remove_accelerators, this));
                FocusManager::instance()->KillFocus.connect (boost::bind (&DOMFrame::add_accelerators, this));
@@ -380,12 +420,18 @@ public:
 #else
                int accelerators = 6;
 #endif
-               wxAcceleratorEntry* accel = new wxAcceleratorEntry[accelerators];
+               std::vector<wxAcceleratorEntry> accel(accelerators);
+               /* [Shortcut] Ctrl+A:Add file(s) to the film */
                accel[0].Set (wxACCEL_CTRL, static_cast<int>('A'), ID_add_file);
+               /* [Shortcut] Delete:Remove selected content from film */
                accel[1].Set (wxACCEL_NORMAL, WXK_DELETE, ID_remove);
+               /* [Shortcut] Space:Start/stop playback */
                accel[2].Set (wxACCEL_NORMAL, WXK_SPACE, ID_start_stop);
+               /* [Shortcut] Ctrl+T:Open timeline window */
                accel[3].Set (wxACCEL_CTRL, static_cast<int>('T'), ID_timeline);
+               /* [Shortcut] Left arrow:Move back one frame */
                accel[4].Set (wxACCEL_NORMAL, WXK_LEFT, ID_back_frame);
+               /* [Shortcut] Right arrow:Move forward one frame */
                accel[5].Set (wxACCEL_NORMAL, WXK_RIGHT, ID_forward_frame);
 #ifdef __WXOSX__
                accel[6].Set (wxACCEL_CTRL, static_cast<int>('W'), ID_file_close);
@@ -396,9 +442,8 @@ public:
                Bind (wxEVT_MENU, boost::bind (&DOMFrame::timeline_pressed, this), ID_timeline);
                Bind (wxEVT_MENU, boost::bind (&DOMFrame::back_frame, this), ID_back_frame);
                Bind (wxEVT_MENU, boost::bind (&DOMFrame::forward_frame, this), ID_forward_frame);
-               wxAcceleratorTable accel_table (accelerators, accel);
+               wxAcceleratorTable accel_table (accelerators, accel.data());
                SetAcceleratorTable (accel_table);
-               delete[] accel;
        }
 
        void remove_accelerators ()
@@ -415,7 +460,7 @@ public:
 
        void new_film (boost::filesystem::path path, optional<string> template_name)
        {
-               shared_ptr<Film> film (new Film (path));
+               auto film = make_shared<Film>(path);
                if (template_name) {
                        film->use_template (template_name.get());
                }
@@ -427,8 +472,8 @@ public:
        void load_film (boost::filesystem::path file)
        try
        {
-               shared_ptr<Film> film (new Film (file));
-               list<string> const notes = film->read_metadata ();
+               auto film = make_shared<Film>(file);
+               auto const notes = film->read_metadata ();
 
                if (film->state_version() == 4) {
                        error_dialog (
@@ -438,41 +483,38 @@ public:
                                );
                }
 
-               BOOST_FOREACH (string i, notes) {
+               for (auto i: notes) {
                        error_dialog (0, std_to_wx(i));
                }
 
                set_film (film);
 
-               JobManager::instance()->add(shared_ptr<Job>(new CheckContentChangeJob(film)));
+               JobManager::instance()->add(make_shared<CheckContentJob>(film));
        }
        catch (FileNotFoundError& e) {
-               boost::filesystem::path const dir = e.file().parent_path();
+               auto const dir = e.file().parent_path();
                if (boost::filesystem::exists(dir / "ASSETMAP") || boost::filesystem::exists(dir / "ASSETMAP.xml")) {
                        error_dialog (
                                this, _("Could not open this folder as a DCP-o-matic project."),
                                _("It looks like you are trying to open a DCP.  File -> Open is for loading DCP-o-matic projects, not DCPs.  To import a DCP, create a new project with File -> New and then click the \"Add DCP...\" button.")
                                );
                } else {
-                       wxString const p = std_to_wx(file.string ());
+                       auto const p = std_to_wx(file.string ());
                        error_dialog (this, wxString::Format(_("Could not open film at %s"), p.data()), std_to_wx(e.what()));
                }
 
        } catch (std::exception& e) {
-               wxString const p = std_to_wx (file.string());
+               auto const p = std_to_wx (file.string());
                error_dialog (this, wxString::Format(_("Could not open film at %s"), p.data()), std_to_wx(e.what()));
        }
 
        void set_film (shared_ptr<Film> film)
        {
                _film = film;
-               _film_viewer->set_film (_film);
-               _film_editor->set_film (_film);
+               _film_viewer.set_film(_film);
+               _film_editor->set_film(_film);
                _controls->set_film (_film);
-               if (_video_waveform_dialog) {
-                       _video_waveform_dialog->Destroy ();
-                       _video_waveform_dialog = 0;
-               }
+               _video_waveform_dialog.reset();
                set_menu_sensitivity ();
                if (_film && _film->directory()) {
                        Config::instance()->add_to_history (_film->directory().get());
@@ -480,8 +522,10 @@ public:
                if (_film) {
                        _film->Change.connect (boost::bind (&DOMFrame::film_change, this, _1));
                        _film->Message.connect (boost::bind(&DOMFrame::film_message, this, _1));
+                       _film->DirtyChange.connect (boost::bind(&DOMFrame::set_title, this));
                        dcpomatic_log = _film->log ();
                }
+               set_title ();
        }
 
        shared_ptr<Film> film () const {
@@ -490,6 +534,14 @@ public:
 
 private:
 
+       void show (wxShowEvent& ev)
+       {
+               if (ev.IsShown() && !_first_shown_called) {
+                       _film_editor->first_shown ();
+                       _first_shown_called = true;
+               }
+       }
+
        void film_message (string m)
        {
                message_dialog (this, std_to_wx(m));
@@ -497,59 +549,49 @@ private:
 
        void film_change (ChangeType type)
        {
-               if (type == CHANGE_TYPE_DONE) {
+               if (type == ChangeType::DONE) {
                        set_menu_sensitivity ();
                }
        }
 
-       void file_changed (boost::filesystem::path f)
-       {
-               string s = wx_to_std (_("DCP-o-matic"));
-               if (!f.empty ()) {
-                       s += " - " + f.string ();
-               }
-
-               SetTitle (std_to_wx (s));
-       }
-
        void file_new ()
        {
-               FilmNameLocationDialog* d = new FilmNameLocationDialog (this, _("New Film"), true);
-               int const r = d->ShowModal ();
+               FilmNameLocationDialog dialog(this, _("New Film"), true);
+               int const r = dialog.ShowModal();
 
-               if (r == wxID_OK && d->check_path() && maybe_save_then_delete_film<FilmChangedClosingDialog>()) {
-                       try {
-                               new_film (d->path(), d->template_name());
-                       } catch (boost::filesystem::filesystem_error& e) {
+               if (r != wxID_OK || !dialog.check_path() || !maybe_save_then_delete_film<FilmChangedClosingDialog>()) {
+                       return;
+               }
+
+               try {
+                       new_film(dialog.path(), dialog.template_name());
+               } catch (boost::filesystem::filesystem_error& e) {
 #ifdef DCPOMATIC_WINDOWS
-                               string bad_chars = "<>:\"/|?*";
-                               string const filename = d->path().filename().string();
-                               string found_bad_chars;
-                               for (size_t i = 0; i < bad_chars.length(); ++i) {
-                                       if (filename.find(bad_chars[i]) != string::npos && found_bad_chars.find(bad_chars[i]) == string::npos) {
-                                               found_bad_chars += bad_chars[i];
-                                       }
+                       string bad_chars = "<>:\"/|?*";
+                       string const filename = dialog.path().filename().string();
+                       string found_bad_chars;
+                       for (size_t i = 0; i < bad_chars.length(); ++i) {
+                               if (filename.find(bad_chars[i]) != string::npos && found_bad_chars.find(bad_chars[i]) == string::npos) {
+                                       found_bad_chars += bad_chars[i];
                                }
-                               wxString message = _("Could not create folder to store film.");
-                               message += "  ";
-                               if (!found_bad_chars.empty()) {
-                                       message += wxString::Format (_("Try removing the %s characters from your folder name."), std_to_wx(found_bad_chars).data());
-                               } else {
-                                       message += _("Please check that you do not have Windows controlled folder access enabled for DCP-o-matic.");
-                               }
-                               error_dialog (this, message, std_to_wx(e.what()));
+                       }
+                       wxString message = _("Could not create folder to store film.");
+                       message += "  ";
+                       if (!found_bad_chars.empty()) {
+                               message += wxString::Format (_("Try removing the %s characters from your folder name."), std_to_wx(found_bad_chars).data());
+                       } else {
+                               message += _("Please check that you do not have Windows controlled folder access enabled for DCP-o-matic.");
+                       }
+                       error_dialog (this, message, std_to_wx(e.what()));
 #else
-                               error_dialog (this, _("Could not create folder to store film."), std_to_wx(e.what()));
+                       error_dialog (this, _("Could not create folder to store film."), std_to_wx(e.what()));
 #endif
-                       }
                }
-
-               d->Destroy ();
        }
 
        void file_open ()
        {
-               wxDirDialog* c = new wxDirDialog (
+               wxDirDialog dialog(
                        this,
                        _("Select film to open"),
                        std_to_wx (Config::instance()->default_directory_or (wx_to_std (wxStandardPaths::Get().GetDocumentsDir())).string ()),
@@ -558,8 +600,8 @@ private:
 
                int r;
                while (true) {
-                       r = c->ShowModal ();
-                       if (r == wxID_OK && c->GetPath() == wxStandardPaths::Get().GetDocumentsDir()) {
+                       r = dialog.ShowModal();
+                       if (r == wxID_OK && dialog.GetPath() == wxStandardPaths::Get().GetDocumentsDir()) {
                                error_dialog (this, _("You did not select a folder.  Make sure that you select a folder before clicking Open."));
                        } else {
                                break;
@@ -567,67 +609,69 @@ private:
                }
 
                if (r == wxID_OK && maybe_save_then_delete_film<FilmChangedClosingDialog>()) {
-                       load_film (wx_to_std (c->GetPath ()));
+                       load_film(wx_to_std(dialog.GetPath()));
                }
-
-               c->Destroy ();
        }
 
        void file_save ()
        {
-               _film->write_metadata ();
+               try {
+                       _film->write_metadata ();
+               } catch (exception& e) {
+                       error_dialog(this, _("Could not save project."), std_to_wx(e.what()));
+               }
        }
 
        void file_save_as_template ()
        {
-               SaveTemplateDialog* d = new SaveTemplateDialog (this);
-               int const r = d->ShowModal ();
-               if (r == wxID_OK) {
-                       Config::instance()->save_template (_film, d->name ());
+               SaveTemplateDialog dialog(this);
+               if (dialog.ShowModal() == wxID_OK) {
+                       try {
+                               Config::instance()->save_template(_film, dialog.name());
+                       } catch (exception& e) {
+                               error_dialog(this, _("Could not save template."), std_to_wx(e.what()));
+                       }
                }
-               d->Destroy ();
        }
 
        void file_duplicate ()
        {
-               FilmNameLocationDialog* d = new FilmNameLocationDialog (this, _("Duplicate Film"), false);
-               int const r = d->ShowModal ();
+               FilmNameLocationDialog dialog(this, _("Duplicate Film"), false);
 
-               if (r == wxID_OK && d->check_path() && maybe_save_film<FilmChangedDuplicatingDialog>()) {
-                       shared_ptr<Film> film (new Film (d->path()));
+               if (dialog.ShowModal() == wxID_OK && dialog.check_path() && maybe_save_film<FilmChangedDuplicatingDialog>()) {
+                       auto film = make_shared<Film>(dialog.path());
                        film->copy_from (_film);
-                       film->set_name (d->path().filename().generic_string());
-                       film->write_metadata ();
+                       film->set_name(dialog.path().filename().generic_string());
+                       try {
+                               film->write_metadata();
+                       } catch (exception& e) {
+                               error_dialog(this, _("Could not duplicate project."), std_to_wx(e.what()));
+                       }
                }
-
-               d->Destroy ();
        }
 
        void file_duplicate_and_open ()
        {
-               FilmNameLocationDialog* d = new FilmNameLocationDialog (this, _("Duplicate Film"), false);
-               int const r = d->ShowModal ();
+               FilmNameLocationDialog dialog(this, _("Duplicate Film"), false);
 
-               if (r == wxID_OK && d->check_path() && maybe_save_film<FilmChangedDuplicatingDialog>()) {
-                       shared_ptr<Film> film (new Film (d->path()));
+               if (dialog.ShowModal() == wxID_OK && dialog.check_path() && maybe_save_film<FilmChangedDuplicatingDialog>()) {
+                       auto film = make_shared<Film>(dialog.path());
                        film->copy_from (_film);
-                       film->set_name (d->path().filename().generic_string());
-                       film->write_metadata ();
-                       set_film (film);
+                       film->set_name(dialog.path().filename().generic_string());
+                       try {
+                               film->write_metadata ();
+                               set_film (film);
+                       } catch (exception& e) {
+                               error_dialog(this, _("Could not duplicate project."), std_to_wx(e.what()));
+                       }
                }
-
-               d->Destroy ();
        }
 
        void file_close ()
        {
                if (_film && _film->dirty ()) {
-
-                       FilmChangedClosingDialog* dialog = new FilmChangedClosingDialog (_film->name ());
-                       int const r = dialog->run ();
-                       delete dialog;
-
-                       switch (r) {
+                       FilmChangedClosingDialog dialog(_film->name());
+                       switch (dialog.run()) {
                        case wxID_NO:
                                /* Don't save and carry on to close */
                                break;
@@ -646,7 +690,7 @@ private:
 
        void file_history (wxCommandEvent& event)
        {
-               vector<boost::filesystem::path> history = Config::instance()->history ();
+               auto history = Config::instance()->history ();
                int n = event.GetId() - ID_file_history;
                if (n >= 0 && n < static_cast<int> (history.size ()) && maybe_save_then_delete_film<FilmChangedClosingDialog>()) {
                        load_film (history[n]);
@@ -661,7 +705,7 @@ private:
 
        void edit_copy ()
        {
-               ContentList const sel = _film_editor->content_panel()->selected();
+               auto const sel = _film_editor->content_panel()->selected();
                DCPOMATIC_ASSERT (sel.size() == 1);
                _clipboard = sel.front()->clone();
        }
@@ -670,30 +714,36 @@ private:
        {
                DCPOMATIC_ASSERT (_clipboard);
 
-               PasteDialog* d = new PasteDialog (this, static_cast<bool>(_clipboard->video), static_cast<bool>(_clipboard->audio), !_clipboard->text.empty());
-               if (d->ShowModal() == wxID_OK) {
-                       BOOST_FOREACH (shared_ptr<Content> i, _film_editor->content_panel()->selected()) {
-                               if (d->video() && i->video) {
-                                       DCPOMATIC_ASSERT (_clipboard->video);
-                                       i->video->take_settings_from (_clipboard->video);
-                               }
-                               if (d->audio() && i->audio) {
-                                       DCPOMATIC_ASSERT (_clipboard->audio);
-                                       i->audio->take_settings_from (_clipboard->audio);
-                               }
+               PasteDialog dialog(this, static_cast<bool>(_clipboard->video), static_cast<bool>(_clipboard->audio), !_clipboard->text.empty());
+               if (dialog.ShowModal() != wxID_OK) {
+                       return;
+               }
 
-                               if (d->text()) {
-                                       list<shared_ptr<TextContent> >::iterator j = i->text.begin ();
-                                       list<shared_ptr<TextContent> >::const_iterator k = _clipboard->text.begin ();
-                                       while (j != i->text.end() && k != _clipboard->text.end()) {
-                                               (*j)->take_settings_from (*k);
-                                               ++j;
-                                               ++k;
-                                       }
+               for (auto i: _film_editor->content_panel()->selected()) {
+                       if (dialog.video() && i->video) {
+                               DCPOMATIC_ASSERT (_clipboard->video);
+                               i->video->take_settings_from (_clipboard->video);
+                       }
+                       if (dialog.audio() && i->audio) {
+                               DCPOMATIC_ASSERT (_clipboard->audio);
+                               i->audio->take_settings_from (_clipboard->audio);
+                       }
+
+                       if (dialog.text()) {
+                               auto j = i->text.begin ();
+                               auto k = _clipboard->text.begin ();
+                               while (j != i->text.end() && k != _clipboard->text.end()) {
+                                       (*j)->take_settings_from (*k);
+                                       ++j;
+                                       ++k;
                                }
                        }
                }
-               d->Destroy ();
+       }
+
+       void edit_select_all ()
+       {
+               _film_editor->content_panel()->select_all();
        }
 
        void edit_preferences ()
@@ -706,21 +756,30 @@ private:
 
        void tools_restore_default_preferences ()
        {
-               wxMessageDialog* d = new wxMessageDialog (
-                       0,
+               wxMessageDialog dialog(
+                       nullptr,
                        _("Are you sure you want to restore preferences to their defaults?  This cannot be undone."),
                        _("Restore default preferences"),
                        wxYES_NO | wxYES_DEFAULT | wxICON_QUESTION
                        );
 
-               int const r = d->ShowModal ();
-               d->Destroy ();
-
-               if (r == wxID_YES) {
+               if (dialog.ShowModal() == wxID_YES) {
                        Config::restore_defaults ();
                }
        }
 
+       void tools_export_preferences ()
+       {
+               wxFileDialog dialog(
+                       this, _("Specify ZIP file"), wxEmptyString, wxT("dcpomatic_config.zip"), wxT("ZIP files (*.zip)|*.zip"),
+                       wxFD_SAVE | wxFD_OVERWRITE_PROMPT
+                       );
+
+               if (dialog.ShowModal() == wxID_OK) {
+                       save_all_config_as_zip(wx_to_std(dialog.GetPath()));
+               }
+       }
+
        void jobs_make_dcp ()
        {
                double required;
@@ -740,10 +799,8 @@ private:
                }
 
                if (Config::instance()->show_hints_before_make_dcp()) {
-                       HintsDialog* hints = new HintsDialog (this, _film, false);
-                       int const r = hints->ShowModal();
-                       hints->Destroy ();
-                       if (r == wxID_CANCEL) {
+                       HintsDialog hints(this, _film, false);
+                       if (hints.ShowModal() == wxID_CANCEL) {
                                return;
                        }
                }
@@ -760,8 +817,8 @@ private:
                }
 
                /* Remove any existing DCP if the user agrees */
-               boost::filesystem::path const dcp_dir = _film->dir (_film->dcp_name(), false);
-               if (boost::filesystem::exists (dcp_dir)) {
+               auto const dcp_dir = _film->dir (_film->dcp_name(), false);
+               if (boost::filesystem::exists(dcp_dir)) {
                        if (!confirm_dialog (this, wxString::Format (_("Do you want to overwrite the existing DCP %s?"), std_to_wx(dcp_dir.string()).data()))) {
                                return;
                        }
@@ -773,7 +830,7 @@ private:
                           a long time, and crashes/power failures are moderately likely.
                        */
                        _film->write_metadata ();
-                       _film->make_dcp (true);
+                       make_dcp (_film, TranscodeJob::ChangedBehaviour::EXAMINE_THEN_STOP);
                } catch (BadSettingError& e) {
                        error_dialog (this, wxString::Format (_("Bad setting for %s."), std_to_wx(e.setting()).data()), std_to_wx(e.what()));
                } catch (std::exception& e) {
@@ -787,12 +844,7 @@ private:
                        return;
                }
 
-               if (_kdm_dialog) {
-                       _kdm_dialog->Destroy ();
-                       _kdm_dialog = 0;
-               }
-
-               _kdm_dialog = new KDMDialog (this, _film);
+               _kdm_dialog.reset(this, _film);
                _kdm_dialog->Show ();
        }
 
@@ -802,12 +854,7 @@ private:
                        return;
                }
 
-               if (_dkdm_dialog) {
-                       _dkdm_dialog->Destroy ();
-                       _dkdm_dialog = 0;
-               }
-
-               _dkdm_dialog = new DKDMDialog (this, _film);
+               _dkdm_dialog.reset(this, _film);
                _dkdm_dialog->Show ();
        }
 
@@ -854,10 +901,8 @@ private:
                }
 
                if (Config::instance()->show_hints_before_make_dcp()) {
-                       HintsDialog* hints = new HintsDialog (this, _film, false);
-                       int const r = hints->ShowModal();
-                       hints->Destroy ();
-                       if (r == wxID_CANCEL) {
+                       HintsDialog hints(this, _film, false);
+                       if (hints.ShowModal() == wxID_CANCEL) {
                                return;
                        }
                }
@@ -865,7 +910,11 @@ private:
                _film->write_metadata ();
 
                if (send_to_other_tool (BATCH_JOB_PORT, &start_batch_converter, _film->directory()->string())) {
+#ifdef DCPOMATIC_OSX
+                       error_dialog (this, _("Could not start the batch converter.  You may need to download it from dcpomatic.com."));
+#else
                        error_dialog (this, _("Could not find batch converter."));
+#endif
                }
        }
 
@@ -876,7 +925,11 @@ private:
                }
 
                if (send_to_other_tool (PLAYER_PLAY_PORT, &start_player, _film->dir(_film->dcp_name(false)).string())) {
+#ifdef DCPOMATIC_OSX
+                       error_dialog (this, _("Could not start the player.  You may need to download it from dcpomatic.com."));
+#else
                        error_dialog (this, _("Could not find player."));
+#endif
                }
        }
 
@@ -886,9 +939,8 @@ private:
                        return;
                }
 
-               SelfDKDMDialog* d = new SelfDKDMDialog (this, _film);
-               if (d->ShowModal () != wxID_OK) {
-                       d->Destroy ();
+               SelfDKDMDialog dialog(this, _film);
+               if (dialog.ShowModal() != wxID_OK) {
                        return;
                }
 
@@ -899,7 +951,7 @@ private:
                                _("You are making a DKDM which is encrypted by a private key held in"
                                  "\n\n<tt>%s</tt>\n\nIt is <span weight=\"bold\" size=\"larger\">VITALLY IMPORTANT</span> "
                                  "that you <span weight=\"bold\" size=\"larger\">BACK UP THIS FILE</span> since if it is lost "
-                                 "your DKDMs (and the DCPs they protect) will become useless."), std_to_wx(Config::config_file().string()).data()
+                                 "your DKDMs (and the DCPs they protect) will become useless."), std_to_wx(Config::config_read_file().string()).data()
                                )
                        );
 
@@ -909,17 +961,24 @@ private:
                dcp::LocalTime to (Config::instance()->signer_chain()->leaf().not_after());
                to.add_days (-1);
 
+               auto signer = Config::instance()->signer_chain();
+               if (!signer->valid()) {
+                       error_dialog(this, _("The certificate chain for signing is invalid"));
+                       return;
+               }
+
                optional<dcp::EncryptedKDM> kdm;
                try {
-                       kdm = _film->make_kdm (
-                               Config::instance()->decryption_chain()->leaf(),
-                               vector<string>(),
-                               d->cpl (),
-                               from, to,
-                               dcp::MODIFIED_TRANSITIONAL_1,
-                               true,
-                               0
-                               );
+                       auto const decrypted_kdm = _film->make_kdm(dialog.cpl(), from, to);
+                       auto const kdm = decrypted_kdm.encrypt(signer, Config::instance()->decryption_chain()->leaf(), {}, dcp::Formulation::MODIFIED_TRANSITIONAL_1, true, 0);
+                       if (dialog.internal()) {
+                               auto dkdms = Config::instance()->dkdms();
+                               dkdms->add(make_shared<DKDM>(kdm));
+                               Config::instance()->changed ();
+                       } else {
+                               auto path = dialog.directory() / (_film->dcp_name(false) + "_DKDM.xml");
+                               kdm.as_xml(path);
+                       }
                } catch (dcp::NotEncryptedError& e) {
                        error_dialog (this, _("CPL's content is not encrypted."));
                } catch (exception& e) {
@@ -927,58 +986,50 @@ private:
                } catch (...) {
                        error_dialog (this, _("An unknown exception occurred."));
                }
+       }
 
-               if (kdm) {
-                       if (d->internal ()) {
-                               shared_ptr<DKDMGroup> dkdms = Config::instance()->dkdms ();
-                               dkdms->add (shared_ptr<DKDM> (new DKDM (kdm.get())));
-                               Config::instance()->changed ();
-                       } else {
-                               boost::filesystem::path path = d->directory() / (_film->dcp_name(false) + "_DKDM.xml");
-                               kdm->as_xml (path);
+
+       void jobs_export_video_file ()
+       {
+               ExportVideoFileDialog dialog(this, _film->isdcf_name(true));
+               if (dialog.ShowModal() != wxID_OK) {
+                       return;
+               }
+
+               if (boost::filesystem::exists(dialog.path())) {
+                       bool ok = confirm_dialog(
+                                       this,
+                                       wxString::Format(_("File %s already exists.  Do you want to overwrite it?"), std_to_wx(dialog.path().string()).data())
+                                       );
+
+                       if (!ok) {
+                               return;
                        }
                }
 
-               d->Destroy ();
+               auto job = make_shared<TranscodeJob>(_film, TranscodeJob::ChangedBehaviour::EXAMINE_THEN_STOP);
+               job->set_encoder (
+                       make_shared<FFmpegEncoder> (
+                               _film, job, dialog.path(), dialog.format(), dialog.mixdown_to_stereo(), dialog.split_reels(), dialog.split_streams(), dialog.x264_crf())
+                       );
+               JobManager::instance()->add (job);
        }
 
-       void jobs_export ()
-       {
-               ExportDialog* d = new ExportDialog (this, _film->isdcf_name(true));
-               if (d->ShowModal() == wxID_OK) {
-                       if (boost::filesystem::exists(d->path())) {
-                               bool ok = confirm_dialog(
-                                               this,
-                                               wxString::Format (_("File %s already exists.  Do you want to overwrite it?"), std_to_wx(d->path().string()).data())
-                                               );
-
-                               if (!ok) {
-                                       d->Destroy ();
-                                       return;
-                               }
-                       }
 
-                       shared_ptr<TranscodeJob> job (new TranscodeJob (_film));
-                       if (d->format() == EXPORT_FORMAT_SUBTITLES_DCP) {
-                               job->set_encoder (
-                                       shared_ptr<SubtitleEncoder>(new SubtitleEncoder(_film, job, d->path(), d->split_reels()))
-                                       );
-                       } else {
-                               job->set_encoder (
-                                       shared_ptr<FFmpegEncoder> (
-                                               new FFmpegEncoder (_film, job, d->path(), d->format(), d->mixdown_to_stereo(), d->split_reels(), d->x264_crf()
-#ifdef DCPOMATIC_VARIANT_SWAROOP
-                                                                  , optional<dcp::Key>(), optional<string>()
-#endif
-                                                       )
-                                               )
-                                       );
-                       }
-                       JobManager::instance()->add (job);
+       void jobs_export_subtitles ()
+       {
+               ExportSubtitlesDialog dialog(this, _film->reels().size(), _film->interop());
+               if (dialog.ShowModal() != wxID_OK) {
+                       return;
                }
-               d->Destroy ();
+               auto job = make_shared<TranscodeJob>(_film, TranscodeJob::ChangedBehaviour::EXAMINE_THEN_STOP);
+               job->set_encoder(
+                       make_shared<SubtitleEncoder>(_film, job, dialog.path(), _film->isdcf_name(true), dialog.split_reels(), dialog.include_font())
+                       );
+               JobManager::instance()->add(job);
        }
 
+
        void jobs_send_dcp_to_tms ()
        {
                _film->send_dcp_to_tms ();
@@ -987,47 +1038,20 @@ private:
        void jobs_show_dcp ()
        {
                DCPOMATIC_ASSERT (_film->directory ());
-#ifdef DCPOMATIC_WINDOWS
-               wstringstream args;
-               args << "/select," << _film->dir (_film->dcp_name(false));
-               ShellExecute (0, L"open", L"explorer.exe", args.str().c_str(), 0, SW_SHOWDEFAULT);
-#endif
-
-#ifdef DCPOMATIC_LINUX
-               int r = system ("which nautilus");
-               if (WEXITSTATUS (r) == 0) {
-                       r = system (String::compose("nautilus \"%1\"", _film->directory()->string()).c_str());
-                       if (WEXITSTATUS (r)) {
-                               error_dialog (this, _("Could not show DCP."), _("Could not run nautilus"));
-                       }
-               } else {
-                       int r = system ("which konqueror");
-                       if (WEXITSTATUS (r) == 0) {
-                               r = system (String::compose ("konqueror \"%1\"", _film->directory()->string()).c_str());
-                               if (WEXITSTATUS (r)) {
-                                       error_dialog (this, _("Could not show DCP"), _("Could not run konqueror"));
-                               }
-                       }
-               }
-#endif
-
-#ifdef DCPOMATIC_OSX
-               int r = system (String::compose ("open -R \"%1\"", _film->dir (_film->dcp_name(false)).string()).c_str());
-               if (WEXITSTATUS (r)) {
-                       error_dialog (this, _("Could not show DCP"));
+               if (show_in_file_manager(_film->directory().get(), _film->dir(_film->dcp_name(false)))) {
+                       error_dialog (this, _("Could not show DCP."));
                }
-#endif
        }
 
        void view_closed_captions ()
        {
-               _film_viewer->show_closed_captions ();
+               _film_viewer.show_closed_captions ();
        }
 
        void view_video_waveform ()
        {
                if (!_video_waveform_dialog) {
-                       _video_waveform_dialog = new VideoWaveformDialog (this, _film, _film_viewer);
+                       _video_waveform_dialog.reset(this, _film, _film_viewer);
                }
 
                _video_waveform_dialog->Show ();
@@ -1063,7 +1087,7 @@ private:
        void tools_manage_templates ()
        {
                if (!_templates_dialog) {
-                       _templates_dialog = new TemplatesDialog (this);
+                       _templates_dialog.reset(this);
                }
 
                _templates_dialog->Show ();
@@ -1071,46 +1095,51 @@ private:
 
        void tools_check_for_updates ()
        {
-               UpdateChecker::instance()->run ();
                _update_news_requested = true;
+               UpdateChecker::instance()->run();
        }
 
        void tools_send_translations ()
        {
-               SendI18NDialog* d = new SendI18NDialog (this);
-               if (d->ShowModal() == wxID_OK) {
-                       string body;
-                       body += d->name() + "\n";
-                       body += d->language() + "\n";
-                       body += string(dcpomatic_version) + " " + string(dcpomatic_git_commit) + "\n";
-                       body += "--\n";
-                       map<string, string> translations = I18NHook::translations ();
-                       for (map<string, string>::const_iterator i = translations.begin(); i != translations.end(); ++i) {
-                               body += i->first + "\n" + i->second + "\n\n";
-                       }
-                       list<string> to;
-                       to.push_back ("carl@dcpomatic.com");
-                       Emailer emailer (d->email(), to, "DCP-o-matic translations", body);
-                       emailer.send ("main.carlh.net", 2525, EMAIL_PROTOCOL_STARTTLS);
+               SendI18NDialog dialog(this);
+               if (dialog.ShowModal() != wxID_OK) {
+                       return;
                }
 
-               d->Destroy ();
+               string body;
+               body += dialog.name() + "\n";
+               body += dialog.language() + "\n";
+               body += string(dcpomatic_version) + " " + string(dcpomatic_git_commit) + "\n";
+               body += "--\n";
+               auto translations = I18NHook::translations ();
+               for (auto i: translations) {
+                       body += i.first + "\n" + i.second + "\n\n";
+               }
+               if (dialog.email().find("@") == string::npos) {
+                       error_dialog (this, _("You must enter a valid email address when sending translations, "
+                                             "otherwise the DCP-o-matic maintainers cannot credit you or contact you with questions."));
+               } else {
+                       Emailer emailer(dialog.email(), { "carl@dcpomatic.com" }, "DCP-o-matic translations", body);
+                       try {
+                               emailer.send ("main.carlh.net", 2525, EmailProtocol::STARTTLS);
+                       } catch (NetworkError& e) {
+                               error_dialog (this, _("Could not send translations"), std_to_wx(e.what()));
+                       }
+               }
        }
 
        void help_about ()
        {
-               AboutDialog* d = new AboutDialog (this);
-               d->ShowModal ();
-               d->Destroy ();
+               AboutDialog dialog(this);
+               dialog.ShowModal();
        }
 
        void help_report_a_problem ()
        {
-               ReportProblemDialog* d = new ReportProblemDialog (this, _film);
-               if (d->ShowModal () == wxID_OK) {
-                       d->report ();
+               ReportProblemDialog dialog(this, _film);
+               if (dialog.ShowModal() == wxID_OK) {
+                       dialog.report();
                }
-               d->Destroy ();
        }
 
        bool should_close ()
@@ -1119,16 +1148,14 @@ private:
                        return true;
                }
 
-               wxMessageDialog* d = new wxMessageDialog (
-                       0,
+               wxMessageDialog dialog(
+                       nullptr,
                        _("There are unfinished jobs; are you sure you want to quit?"),
                        _("Unfinished jobs"),
                        wxYES_NO | wxYES_DEFAULT | wxICON_QUESTION
                        );
 
-               bool const r = d->ShowModal() == wxID_YES;
-               d->Destroy ();
-               return r;
+               return dialog.ShowModal() == wxID_YES;
        }
 
        void close (wxCloseEvent& ev)
@@ -1139,12 +1166,8 @@ private:
                }
 
                if (_film && _film->dirty ()) {
-
-                       FilmChangedClosingDialog* dialog = new FilmChangedClosingDialog (_film->name ());
-                       int const r = dialog->run ();
-                       delete dialog;
-
-                       switch (r) {
+                       FilmChangedClosingDialog dialog(_film->name());
+                       switch (dialog.run()) {
                        case wxID_NO:
                                /* Don't save and carry on to close */
                                break;
@@ -1168,13 +1191,24 @@ private:
                /* Also stop hearing about analytics-related stuff */
                _analytics_message_connection.disconnect ();
 
+               FontConfig::drop();
+
                ev.Skip ();
        }
 
+       void active_jobs_changed()
+       {
+               /* ActiveJobsChanged can be called while JobManager holds a lock on its mutex, making
+                * the call to JobManager::get() in set_menu_sensitivity() deadlock unless we work around
+                * it by using an idle callback.  This feels quite unpleasant.
+                */
+               signal_manager->when_idle(boost::bind(&DOMFrame::set_menu_sensitivity, this));
+       }
+
        void set_menu_sensitivity ()
        {
-               list<shared_ptr<Job> > jobs = JobManager::instance()->get ();
-               list<shared_ptr<Job> >::iterator i = jobs.begin();
+               auto jobs = JobManager::instance()->get ();
+               auto i = jobs.begin();
                while (i != jobs.end() && (*i)->json_name() != "transcode") {
                        ++i;
                }
@@ -1184,43 +1218,43 @@ private:
                bool const have_selected_content = !_film_editor->content_panel()->selected().empty();
                bool const have_selected_video_content = !_film_editor->content_panel()->selected_video().empty();
 
-               for (map<wxMenuItem*, int>::iterator j = menu_items.begin(); j != menu_items.end(); ++j) {
+               for (auto j: menu_items) {
 
                        bool enabled = true;
 
-                       if ((j->second & NEEDS_FILM) && !_film) {
+                       if ((j.second & NEEDS_FILM) && !_film) {
                                enabled = false;
                        }
 
-                       if ((j->second & NOT_DURING_DCP_CREATION) && dcp_creation) {
+                       if ((j.second & NOT_DURING_DCP_CREATION) && dcp_creation) {
                                enabled = false;
                        }
 
-                       if ((j->second & NEEDS_CPL) && !have_cpl) {
+                       if ((j.second & NEEDS_CPL) && !have_cpl) {
                                enabled = false;
                        }
 
-                       if ((j->second & NEEDS_SELECTED_CONTENT) && !have_selected_content) {
+                       if ((j.second & NEEDS_SELECTED_CONTENT) && !have_selected_content) {
                                enabled = false;
                        }
 
-                       if ((j->second & NEEDS_SINGLE_SELECTED_CONTENT) && !have_single_selected_content) {
+                       if ((j.second & NEEDS_SINGLE_SELECTED_CONTENT) && !have_single_selected_content) {
                                enabled = false;
                        }
 
-                       if ((j->second & NEEDS_SELECTED_VIDEO_CONTENT) && !have_selected_video_content) {
+                       if ((j.second & NEEDS_SELECTED_VIDEO_CONTENT) && !have_selected_video_content) {
                                enabled = false;
                        }
 
-                       if ((j->second & NEEDS_CLIPBOARD) && !_clipboard) {
+                       if ((j.second & NEEDS_CLIPBOARD) && !_clipboard) {
                                enabled = false;
                        }
 
-                       if ((j->second & NEEDS_ENCRYPTION) && (!_film || !_film->encrypted())) {
+                       if ((j.second & NEEDS_ENCRYPTION) && (!_film || !_film->encrypted())) {
                                enabled = false;
                        }
 
-                       j->first->Enable (enabled);
+                       j.first->Enable (enabled);
                }
        }
 
@@ -1234,14 +1268,20 @@ private:
                        return true;
                }
 
-               if (_film->dirty ()) {
-                       T d (_film->name ());
-                       switch (d.run ()) {
+               while (_film->dirty()) {
+                       T dialog(_film->name());
+                       switch (dialog.run()) {
                        case wxID_NO:
                                return true;
                        case wxID_YES:
-                               _film->write_metadata ();
-                               return true;
+                               try {
+                                       _film->write_metadata();
+                                       return true;
+                               } catch (exception& e) {
+                                       error_dialog(this, _("Could not save project."), std_to_wx(e.what()));
+                                       /* Go round again for another try */
+                               }
+                               break;
                        case wxID_CANCEL:
                                return false;
                        }
@@ -1262,16 +1302,19 @@ private:
 
        void add_item (wxMenu* menu, wxString text, int id, int sens)
        {
-               wxMenuItem* item = menu->Append (id, text);
+               auto item = menu->Append (id, text);
                menu_items.insert (make_pair (item, sens));
        }
 
        void setup_menu (wxMenuBar* m)
        {
                _file_menu = new wxMenu;
+               /* [Shortcut] Ctrl+N:New film */
                add_item (_file_menu, _("New...\tCtrl-N"), ID_file_new, ALWAYS);
+               /* [Shortcut] Ctrl+O:Open existing film */
                add_item (_file_menu, _("&Open...\tCtrl-O"), ID_file_open, ALWAYS);
                _file_menu->AppendSeparator ();
+               /* [Shortcut] Ctrl+S:Save current film */
                add_item (_file_menu, _("&Save\tCtrl-S"), ID_file_save, NEEDS_FILM);
                _file_menu->AppendSeparator ();
                add_item (_file_menu, _("Save as &template..."), ID_file_save_as_template, NEEDS_FILM);
@@ -1281,6 +1324,7 @@ private:
                _history_position = _file_menu->GetMenuItems().GetCount();
 
                _file_menu->AppendSeparator ();
+               /* [Shortcut] Ctrl+W:Close current film */
                add_item (_file_menu, _("&Close\tCtrl-W"), ID_file_close, NEEDS_FILM);
 
 #ifndef __WXOSX__
@@ -1293,25 +1337,38 @@ private:
                add_item (_file_menu, _("&Quit"), wxID_EXIT, ALWAYS);
 #endif
 
-               wxMenu* edit = new wxMenu;
+               auto edit = new wxMenu;
+               /* [Shortcut] Ctrl+C:Copy settings from currently selected content */
                add_item (edit, _("Copy settings\tCtrl-C"), ID_edit_copy, NEEDS_FILM | NOT_DURING_DCP_CREATION | NEEDS_SINGLE_SELECTED_CONTENT);
+               /* [Shortcut] Ctrl+V:Paste settings into currently selected content */
                add_item (edit, _("Paste settings...\tCtrl-V"), ID_edit_paste, NEEDS_FILM | NOT_DURING_DCP_CREATION | NEEDS_SELECTED_CONTENT | NEEDS_CLIPBOARD);
+               edit->AppendSeparator ();
+               /* [Shortcut] Shift+Ctrl+A:Select all content */
+               add_item (edit, _("Select all\tShift-Ctrl-A"), ID_edit_select_all, NEEDS_FILM);
 
 #ifdef __WXOSX__
                add_item (_file_menu, _("&Preferences...\tCtrl-P"), wxID_PREFERENCES, ALWAYS);
 #else
+               edit->AppendSeparator ();
+               /* [Shortcut] Ctrl+P:Open preferences window */
                add_item (edit, _("&Preferences...\tCtrl-P"), wxID_PREFERENCES, ALWAYS);
 #endif
 
-               wxMenu* jobs_menu = new wxMenu;
+               auto jobs_menu = new wxMenu;
+               /* [Shortcut] Ctrl+M:Make DCP */
                add_item (jobs_menu, _("&Make DCP\tCtrl-M"), ID_jobs_make_dcp, NEEDS_FILM | NOT_DURING_DCP_CREATION);
+               /* [Shortcut] Ctrl+B:Make DCP in the batch converter*/
                add_item (jobs_menu, _("Make DCP in &batch converter\tCtrl-B"), ID_jobs_make_dcp_batch, NEEDS_FILM | NOT_DURING_DCP_CREATION);
                jobs_menu->AppendSeparator ();
+               /* [Shortcut] Ctrl+K:Make KDMs */
                add_item (jobs_menu, _("Make &KDMs...\tCtrl-K"), ID_jobs_make_kdms, NEEDS_FILM);
+               /* [Shortcut] Ctrl+D:Make DKDMs */
                add_item (jobs_menu, _("Make &DKDMs...\tCtrl-D"), ID_jobs_make_dkdms, NEEDS_FILM);
                add_item (jobs_menu, _("Make DKDM for DCP-o-matic..."), ID_jobs_make_self_dkdm, NEEDS_FILM | NEEDS_ENCRYPTION);
                jobs_menu->AppendSeparator ();
-               add_item (jobs_menu, _("Export...\tCtrl-E"), ID_jobs_export, NEEDS_FILM);
+               /* [Shortcut] Ctrl+E:Export video file */
+               add_item (jobs_menu, _("Export video file...\tCtrl-E"), ID_jobs_export_video_file, NEEDS_FILM);
+               add_item (jobs_menu, _("Export subtitles..."), ID_jobs_export_subtitles, NEEDS_FILM);
                jobs_menu->AppendSeparator ();
                add_item (jobs_menu, _("&Send DCP to TMS"), ID_jobs_send_dcp_to_tms, NEEDS_FILM | NOT_DURING_DCP_CREATION | NEEDS_CPL);
 
@@ -1325,11 +1382,11 @@ private:
 
                add_item (jobs_menu, _("Open DCP in &player"), ID_jobs_open_dcp_in_player, NEEDS_FILM | NOT_DURING_DCP_CREATION | NEEDS_CPL);
 
-               wxMenu* view = new wxMenu;
+               auto view = new wxMenu;
                add_item (view, _("Closed captions..."), ID_view_closed_captions, NEEDS_FILM);
                add_item (view, _("Video waveform..."), ID_view_video_waveform, NEEDS_FILM);
 
-               wxMenu* tools = new wxMenu;
+               auto tools = new wxMenu;
                add_item (tools, _("Hints..."), ID_tools_hints, NEEDS_FILM);
                add_item (tools, _("Encoding servers..."), ID_tools_encoding_servers, 0);
                add_item (tools, _("Manage templates..."), ID_tools_manage_templates, 0);
@@ -1338,6 +1395,8 @@ private:
                add_item (tools, _("System information..."), ID_tools_system_information, 0);
                tools->AppendSeparator ();
                add_item (tools, _("Restore default preferences"), ID_tools_restore_default_preferences, ALWAYS);
+               tools->AppendSeparator ();
+               add_item (tools, _("Export preferences..."), ID_tools_export_preferences, ALWAYS);
 
                wxMenu* help = new wxMenu;
 #ifdef __WXOSX__
@@ -1396,9 +1455,9 @@ private:
 
                int pos = _history_position;
 
-               /* Clear out non-existant history items before we re-build the menu */
+               /* Clear out non-existent history items before we re-build the menu */
                Config::instance()->clean_history ();
-               vector<boost::filesystem::path> history = Config::instance()->history ();
+               auto history = Config::instance()->history();
 
                if (!history.empty ()) {
                        _history_separator = _file_menu->InsertSeparator (pos++);
@@ -1421,7 +1480,7 @@ private:
 
        void update_checker_state_changed ()
        {
-               UpdateChecker* uc = UpdateChecker::instance ();
+               auto uc = UpdateChecker::instance ();
 
                bool const announce =
                        _update_news_requested ||
@@ -1434,11 +1493,10 @@ private:
                        return;
                }
 
-               if (uc->state() == UpdateChecker::YES) {
-                       UpdateDialog* dialog = new UpdateDialog (this, uc->stable (), uc->test ());
-                       dialog->ShowModal ();
-                       dialog->Destroy ();
-               } else if (uc->state() == UpdateChecker::FAILED) {
+               if (uc->state() == UpdateChecker::State::YES) {
+                       UpdateDialog dialog(this, uc->stable(), uc->test());
+                       dialog.ShowModal();
+               } else if (uc->state() == UpdateChecker::State::FAILED) {
                        error_dialog (this, _("The DCP-o-matic download server could not be contacted."));
                } else {
                        error_dialog (this, _("There are no new versions of DCP-o-matic available."));
@@ -1449,10 +1507,10 @@ private:
 
        void start_stop_pressed ()
        {
-               if (_film_viewer->playing()) {
-                       _film_viewer->stop();
+               if (_film_viewer.playing()) {
+                       _film_viewer.stop();
                } else {
-                       _film_viewer->start();
+                       _film_viewer.start();
                }
        }
 
@@ -1463,43 +1521,61 @@ private:
 
        void back_frame ()
        {
-               _film_viewer->seek_by (-_film_viewer->one_video_frame(), true);
+               _film_viewer.seek_by(-_film_viewer.one_video_frame(), true);
        }
 
        void forward_frame ()
        {
-               _film_viewer->seek_by (_film_viewer->one_video_frame(), true);
+               _film_viewer.seek_by(_film_viewer.one_video_frame(), true);
        }
 
        void analytics_message (string title, string html)
        {
-               HTMLDialog* d = new HTMLDialog(this, std_to_wx(title), std_to_wx(html));
-               d->ShowModal();
-               d->Destroy();
+               HTMLDialog dialog(this, std_to_wx(title), std_to_wx(html));
+               dialog.ShowModal();
+       }
+
+       void set_title ()
+       {
+               auto s = wx_to_std(_("DCP-o-matic"));
+               if (_film) {
+                       if (_film->directory()) {
+                               s += " - " + _film->directory()->string();
+                       }
+                       if (_film->dirty()) {
+                               s += " *";
+                       }
+               }
+
+               SetTitle (std_to_wx(s));
        }
 
        FilmEditor* _film_editor;
-       boost::shared_ptr<FilmViewer> _film_viewer;
+       LimitedFrameSplitter* _splitter;
+       wxPanel* _right_panel;
+       FilmViewer _film_viewer;
        StandardControls* _controls;
-       VideoWaveformDialog* _video_waveform_dialog;
-       SystemInformationDialog* _system_information_dialog;
-       HintsDialog* _hints_dialog;
-       ServersListDialog* _servers_list_dialog;
-       wxPreferencesEditor* _config_dialog;
-       KDMDialog* _kdm_dialog;
-       DKDMDialog* _dkdm_dialog;
-       TemplatesDialog* _templates_dialog;
-       wxMenu* _file_menu;
+       wx_ptr<VideoWaveformDialog> _video_waveform_dialog;
+       SystemInformationDialog* _system_information_dialog = nullptr;
+       HintsDialog* _hints_dialog = nullptr;
+       ServersListDialog* _servers_list_dialog = nullptr;
+       wxPreferencesEditor* _config_dialog = nullptr;
+       wx_ptr<KDMDialog> _kdm_dialog;
+       wx_ptr<DKDMDialog> _dkdm_dialog;
+       wx_ptr<TemplatesDialog> _templates_dialog;
+       wxMenu* _file_menu = nullptr;
        shared_ptr<Film> _film;
-       int _history_items;
-       int _history_position;
-       wxMenuItem* _history_separator;
+       int _history_items = 0;
+       int _history_position = 0;
+       wxMenuItem* _history_separator = nullptr;
        boost::signals2::scoped_connection _config_changed_connection;
        boost::signals2::scoped_connection _analytics_message_connection;
-       bool _update_news_requested;
+       bool _update_news_requested = false;
        shared_ptr<Content> _clipboard;
+       bool _first_shown_called = false;
 };
 
+
 static const wxCmdLineEntryDesc command_line_description[] = {
        { wxCMD_LINE_SWITCH, "n", "new", "create new film", wxCMD_LINE_VAL_NONE, wxCMD_LINE_PARAM_OPTIONAL },
        { wxCMD_LINE_OPTION, "c", "content", "add content file / directory", wxCMD_LINE_VAL_STRING, wxCMD_LINE_PARAM_OPTIONAL },
@@ -1510,6 +1586,7 @@ static const wxCmdLineEntryDesc command_line_description[] = {
        { wxCMD_LINE_NONE, "", "", "", wxCmdLineParamType (0), 0 }
 };
 
+
 /** @class App
  *  @brief The magic App class for wxWidgets.
  */
@@ -1518,8 +1595,6 @@ class App : public wxApp
 public:
        App ()
                : wxApp ()
-               , _frame (0)
-               , _splash (0)
        {
 #ifdef DCPOMATIC_LINUX
                XInitThreads ();
@@ -1528,12 +1603,12 @@ public:
 
 private:
 
-       bool OnInit ()
+       bool OnInit () override
        {
                try {
                        wxInitAllImageHandlers ();
 
-                       Config::FailedToLoad.connect (boost::bind (&App::config_failed_to_load, this));
+                       Config::FailedToLoad.connect(boost::bind(&App::config_failed_to_load, this, _1));
                        Config::Warning.connect (boost::bind (&App::config_warning, this, _1));
 
                        _splash = maybe_show_splash ();
@@ -1548,10 +1623,9 @@ private:
                        unsetenv ("UBUNTU_MENUPROXY");
 #endif
 
-#ifdef __WXOSX__
-                       ProcessSerialNumber serial;
-                       GetCurrentProcess (&serial);
-                       TransformProcessType (&serial, kProcessTransformToForegroundApplication);
+#ifdef DCPOMATIC_OSX
+                       dcpomatic_sleep_seconds (1);
+                       make_foreground_application ();
 #endif
 
                        dcpomatic_setup_path_encoding ();
@@ -1585,13 +1659,6 @@ private:
                        _frame->Maximize ();
                        close_splash ();
 
-                       if (!Config::instance()->nagged(Config::NAG_INITIAL_SETUP)) {
-                               InitialSetupDialog* d = new InitialSetupDialog ();
-                               d->ShowModal ();
-                               d->Destroy ();
-                               Config::instance()->set_nagged(Config::NAG_INITIAL_SETUP, true);
-                       }
-
                        if (running_32_on_64 ()) {
                                NagDialog::maybe_nag (
                                        _frame, Config::NAG_32_ON_64,
@@ -1604,23 +1671,23 @@ private:
                        signal_manager = new wxSignalManager (this);
                        Bind (wxEVT_IDLE, boost::bind (&App::idle, this, _1));
 
-                       if (!_film_to_load.empty() && boost::filesystem::is_directory (_film_to_load)) {
+                       if (!_film_to_load.empty() && boost::filesystem::is_directory(_film_to_load)) {
                                try {
                                        _frame->load_film (_film_to_load);
                                } catch (exception& e) {
-                                       error_dialog (0, std_to_wx (String::compose (wx_to_std (_("Could not load film %1 (%2)")), _film_to_load)), std_to_wx(e.what()));
+                                       error_dialog (nullptr, std_to_wx(String::compose(wx_to_std(_("Could not load film %1 (%2)")), _film_to_load)), std_to_wx(e.what()));
                                }
                        }
 
                        if (!_film_to_create.empty ()) {
-                               _frame->new_film (_film_to_create, optional<string> ());
-                               if (!_content_to_add.empty ()) {
-                                       BOOST_FOREACH (shared_ptr<Content> i, content_factory(_content_to_add)) {
-                                               _frame->film()->examine_and_add_content (i);
+                               _frame->new_film (_film_to_create, optional<string>());
+                               if (!_content_to_add.empty()) {
+                                       for (auto i: content_factory(_content_to_add)) {
+                                               _frame->film()->examine_and_add_content(i);
                                        }
                                }
                                if (!_dcp_to_add.empty ()) {
-                                       _frame->film()->examine_and_add_content(shared_ptr<DCPContent>(new DCPContent(_dcp_to_add)));
+                                       _frame->film()->examine_and_add_content(make_shared<DCPContent>(_dcp_to_add));
                                }
                        }
 
@@ -1631,26 +1698,30 @@ private:
                        if (Config::instance()->check_for_updates ()) {
                                UpdateChecker::instance()->run ();
                        }
+
+                       auto release_notes = find_release_notes(gui_is_dark());
+                       if (release_notes) {
+                               HTMLDialog notes(nullptr, _("Release notes"), std_to_wx(*release_notes), true);
+                               notes.Centre();
+                               notes.ShowModal();
+                       }
                }
                catch (exception& e)
                {
-                       if (_splash) {
-                               _splash->Destroy ();
-                               _splash = 0;
-                       }
-                       error_dialog (0, wxString::Format ("DCP-o-matic could not start."), std_to_wx(e.what()));
+                       close_splash();
+                       error_dialog (nullptr, wxString::Format ("DCP-o-matic could not start."), std_to_wx(e.what()));
                }
 
                return true;
        }
 
-       void OnInitCmdLine (wxCmdLineParser& parser)
+       void OnInitCmdLine (wxCmdLineParser& parser) override
        {
                parser.SetDesc (command_line_description);
                parser.SetSwitchChars (wxT ("-"));
        }
 
-       bool OnCmdLineParsed (wxCmdLineParser& parser)
+       bool OnCmdLineParsed (wxCmdLineParser& parser) override
        {
                if (parser.Found (wxT("version"))) {
                        cout << "dcpomatic version " << dcpomatic_version << " " << dcpomatic_git_commit << "\n";
@@ -1689,17 +1760,27 @@ private:
                        throw;
                } catch (FileError& e) {
                        error_dialog (
-                               0,
-                               wxString::Format (
+                               nullptr,
+                               wxString::Format(
                                        _("An exception occurred: %s (%s)\n\n") + REPORT_PROBLEM,
                                        std_to_wx (e.what()),
-                                       std_to_wx (e.file().string().c_str ())
+                                       std_to_wx (e.file().string().c_str())
+                                       )
+                               );
+               } catch (boost::filesystem::filesystem_error& e) {
+                       error_dialog (
+                               nullptr,
+                               wxString::Format(
+                                       _("An exception occurred: %s (%s) (%s)\n\n") + REPORT_PROBLEM,
+                                       std_to_wx (e.what()),
+                                       std_to_wx (e.path1().string()),
+                                       std_to_wx (e.path2().string())
                                        )
                                );
                } catch (exception& e) {
                        error_dialog (
-                               0,
-                               wxString::Format (
+                               nullptr,
+                               wxString::Format(
                                        _("An exception occurred: %s.\n\n") + REPORT_PROBLEM,
                                        std_to_wx (e.what ())
                                        )
@@ -1710,14 +1791,14 @@ private:
        }
 
        /* An unhandled exception has occurred inside the main event loop */
-       bool OnExceptionInMainLoop ()
+       bool OnExceptionInMainLoop () override
        {
                report_exception ();
                /* This will terminate the program */
                return false;
        }
 
-       void OnUnhandledException ()
+       void OnUnhandledException () override
        {
                report_exception ();
        }
@@ -1739,22 +1820,18 @@ private:
 
        void close_splash ()
        {
-               if (_splash) {
-                       _splash->Destroy ();
-                       _splash = 0;
-               }
+               _splash->Destroy();
+               _splash = nullptr;
        }
 
-       void config_failed_to_load ()
+       void config_failed_to_load (Config::LoadFailure what)
        {
-               close_splash ();
-               message_dialog (_frame, _("The existing configuration failed to load.  Default values will be used instead.  These may take a short time to create."));
+               report_config_load_failure(_frame, what);
        }
 
        void config_warning (string m)
        {
-               close_splash ();
-               message_dialog (_frame, std_to_wx (m));
+               message_dialog (_frame, std_to_wx(m));
        }
 
        bool config_bad (Config::BadReason reason)
@@ -1762,47 +1839,57 @@ private:
                /* Destroy the splash screen here, as otherwise bad things seem to happen (for reasons unknown)
                   when we open our recreate dialog, close it, *then* try to Destroy the splash (the Destroy fails).
                */
-               _splash->Destroy ();
-               _splash = 0;
+               close_splash();
 
-               Config* config = Config::instance();
+               auto config = Config::instance();
                switch (reason) {
                case Config::BAD_SIGNER_UTF8_STRINGS:
                {
-                       if (config->nagged(Config::NAG_BAD_SIGNER_CHAIN)) {
+                       if (config->nagged(Config::NAG_BAD_SIGNER_CHAIN_UTF8)) {
                                return false;
                        }
-                       RecreateChainDialog* d = new RecreateChainDialog (
+                       RecreateChainDialog dialog(
                                _frame, _("Recreate signing certificates"),
                                _("The certificate chain that DCP-o-matic uses for signing DCPs and KDMs contains a small error\n"
                                  "which will prevent DCPs from being validated correctly on some systems.  Do you want to re-create\n"
                                  "the certificate chain for signing DCPs and KDMs?"),
                                _("Do nothing"),
-                               Config::NAG_BAD_SIGNER_CHAIN
+                               Config::NAG_BAD_SIGNER_CHAIN_UTF8
+                               );
+                       return dialog.ShowModal() == wxID_OK;
+               }
+               case Config::BAD_SIGNER_VALIDITY_TOO_LONG:
+               {
+                       if (config->nagged(Config::NAG_BAD_SIGNER_CHAIN_VALIDITY)) {
+                               return false;
+                       }
+                       RecreateChainDialog dialog(
+                               _frame, _("Recreate signing certificates"),
+                               _("The certificate chain that DCP-o-matic uses for signing DCPs and KDMs has a validity period\n"
+                                 "that is too long.  This will cause problems playing back DCPs on some systems.\n"
+                                 "Do you want to re-create the certificate chain for signing DCPs and KDMs?"),
+                               _("Do nothing"),
+                               Config::NAG_BAD_SIGNER_CHAIN_VALIDITY
                                );
-                       int const r = d->ShowModal ();
-                       d->Destroy ();
-                       return r == wxID_OK;
+                       return dialog.ShowModal() == wxID_OK;
                }
                case Config::BAD_SIGNER_INCONSISTENT:
                {
-                       RecreateChainDialog* d = new RecreateChainDialog (
+                       RecreateChainDialog dialog(
                                _frame, _("Recreate signing certificates"),
                                _("The certificate chain that DCP-o-matic uses for signing DCPs and KDMs is inconsistent and\n"
                                  "cannot be used.  DCP-o-matic cannot start unless you re-create it.  Do you want to re-create\n"
                                  "the certificate chain for signing DCPs and KDMs?"),
                                _("Close DCP-o-matic")
                                );
-                       int const r = d->ShowModal ();
-                       d->Destroy ();
-                       if (r != wxID_OK) {
+                       if (dialog.ShowModal() != wxID_OK) {
                                exit (EXIT_FAILURE);
                        }
                        return true;
                }
                case Config::BAD_DECRYPTION_INCONSISTENT:
                {
-                       RecreateChainDialog* d = new RecreateChainDialog (
+                       RecreateChainDialog dialog(
                                _frame, _("Recreate KDM decryption chain"),
                                _("The certificate chain that DCP-o-matic uses for decrypting KDMs is inconsistent and\n"
                                  "cannot be used.  DCP-o-matic cannot start unless you re-create it.  Do you want to re-create\n"
@@ -1810,9 +1897,7 @@ private:
                                  "configuration before continuing."),
                                _("Close DCP-o-matic")
                                );
-                       int const r = d->ShowModal ();
-                       d->Destroy ();
-                       if (r != wxID_OK) {
+                       if (dialog.ShowModal() != wxID_OK) {
                                exit (EXIT_FAILURE);
                        }
                        return true;
@@ -1822,7 +1907,7 @@ private:
                }
        }
 
-       DOMFrame* _frame;
+       DOMFrame* _frame = nullptr;
        wxSplashScreen* _splash;
        shared_ptr<wxTimer> _timer;
        string _film_to_load;
@@ -1831,4 +1916,5 @@ private:
        string _dcp_to_add;
 };
 
+
 IMPLEMENT_APP (App)