Basic release notes support (#2282).
[dcpomatic.git] / src / tools / dcpomatic.cc
index 56c1db7b106da239a88cccefe7e1c3df759bb5c6..6f55b1771b88f2bbbc352520aa7c7deae10005b7 100644 (file)
 
 */
 
+
 /** @file  src/tools/dcpomatic.cc
  *  @brief The main DCP-o-matic GUI.
  */
 
-#include "wx/standard_controls.h"
-#include "wx/film_viewer.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/kdm_dialog.h"
-#include "wx/dkdm_dialog.h"
-#include "wx/self_dkdm_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/system_information_dialog.h"
-#include "wx/save_template_dialog.h"
-#include "wx/templates_dialog.h"
-#include "wx/nag_dialog.h"
+#include "wx/dkdm_dialog.h"
 #include "wx/export_subtitles_dialog.h"
 #include "wx/export_video_file_dialog.h"
-#include "wx/paste_dialog.h"
+#include "wx/film_editor.h"
+#include "wx/film_name_location_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/send_i18n_dialog.h"
 #include "wx/i18n_hook.h"
-#include "lib/film.h"
+#include "wx/job_manager_view.h"
+#include "wx/kdm_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/standard_controls.h"
+#include "wx/system_information_dialog.h"
+#include "wx/templates_dialog.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/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/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/warnings.h"
+#include "lib/text_content.h"
+#include "lib/transcode_job.h"
+#include "lib/update_checker.h"
+#include "lib/util.h"
+#include "lib/version.h"
+#include "lib/video_content.h"
 #include <dcp/exceptions.h>
 #include <dcp/raw_convert.h>
-DCPOMATIC_DISABLE_WARNINGS
-#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>
-DCPOMATIC_ENABLE_WARNINGS
+LIBDCP_ENABLE_WARNINGS
 #ifdef __WXGTK__
 #include <X11/Xlib.h>
 #endif
 #ifdef __WXMSW__
 #include <shellapi.h>
 #endif
-#include <boost/filesystem.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 */
@@ -112,21 +117,20 @@ DCPOMATIC_ENABLE_WARNINGS
 #undef check
 #endif
 
+
 using std::cout;
-using std::wcout;
-using std::string;
-using std::vector;
-using std::wstring;
-using std::wstringstream;
-using std::map;
-using std::make_pair;
-using std::list;
+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::dynamic_pointer_cast;
+using std::string;
+using std::vector;
+using std::wcout;
 using boost::optional;
-using boost::function;
 using boost::is_any_of;
 using boost::algorithm::find;
 #if BOOST_VERSION >= 106100
@@ -134,14 +138,15 @@ using namespace boost::placeholders;
 #endif
 using dcp::raw_convert;
 
+
 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()),
+                       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"),
@@ -177,8 +182,8 @@ public:
        explicit FilmChangedDuplicatingDialog (string name)
        {
                _dialog = new wxMessageDialog (
-                       0,
-                       wxString::Format (_("Save changes to film \"%s\" before duplicating?"), std_to_wx (name).data()),
+                       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"),
@@ -207,6 +212,7 @@ private:
        wxMessageDialog* _dialog;
 };
 
+
 #define ALWAYS                        0x0
 #define NEEDS_FILM                    0x1
 #define NOT_DURING_DCP_CREATION       0x2
@@ -217,6 +223,7 @@ private:
 #define NEEDS_CLIPBOARD               0x40
 #define NEEDS_ENCRYPTION              0x80
 
+
 map<wxMenuItem*, int> menu_items;
 
 enum {
@@ -251,6 +258,7 @@ 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,
@@ -261,28 +269,15 @@ enum {
        ID_forward_frame
 };
 
+
 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)
-               , _first_shown_called (false)
+       explicit DOMFrame (wxString const& title)
+               : wxFrame (nullptr, -1, title)
        {
 #if defined(DCPOMATIC_WINDOWS)
-               if (Config::instance()->win32_console ()) {
+               if (Config::instance()->win32_console()) {
                        AllocConsole();
 
                        HANDLE handle_out = GetStdHandle(STD_OUTPUT_HANDLE);
@@ -309,7 +304,7 @@ 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));
@@ -346,6 +341,7 @@ 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);
 
@@ -355,7 +351,7 @@ public:
                /* 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 overall_panel = new wxPanel (this, wxID_ANY);
 
                _film_viewer.reset (new FilmViewer (overall_panel));
                _controls = new StandardControls (overall_panel, _film_viewer, true);
@@ -373,15 +369,14 @@ public:
 
                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 ("");
+               set_title ();
 
                JobManager::instance()->ActiveJobsChanged.connect (boost::bind (&DOMFrame::set_menu_sensitivity, this));
 
                overall_panel->SetSizer (main_sizer);
 
-               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));
@@ -395,12 +390,18 @@ 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);
@@ -411,9 +412,8 @@ 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 ()
@@ -459,7 +459,7 @@ public:
 
                set_film (film);
 
-               JobManager::instance()->add(shared_ptr<Job>(new CheckContentChangeJob(film)));
+               JobManager::instance()->add(make_shared<CheckContentJob>(film));
        }
        catch (FileNotFoundError& e) {
                auto const dir = e.file().parent_path();
@@ -486,7 +486,7 @@ public:
                _controls->set_film (_film);
                if (_video_waveform_dialog) {
                        _video_waveform_dialog->Destroy ();
-                       _video_waveform_dialog = 0;
+                       _video_waveform_dialog = nullptr;
                }
                set_menu_sensitivity ();
                if (_film && _film->directory()) {
@@ -495,8 +495,10 @@ 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 {
@@ -525,16 +527,6 @@ private:
                }
        }
 
-       void file_changed (boost::filesystem::path f)
-       {
-               auto s = wx_to_std(_("DCP-o-matic"));
-               if (!f.empty ()) {
-                       s += " - " + f.string ();
-               }
-
-               SetTitle (std_to_wx (s));
-       }
-
        void file_new ()
        {
                auto d = new FilmNameLocationDialog (this, _("New Film"), true);
@@ -749,6 +741,21 @@ private:
                }
        }
 
+       void tools_export_preferences ()
+       {
+               auto dialog = new wxFileDialog (
+                       this, _("Specify ZIP file"), wxEmptyString, wxT("dcpomatic_config.zip"), wxT("ZIP files (*.zip)|*.zip"),
+                       wxFD_SAVE | wxFD_OVERWRITE_PROMPT
+                       );
+
+               int const r = dialog->ShowModal ();
+               dialog->Destroy ();
+
+               if (r == wxID_OK) {
+                       save_all_config_as_zip (wx_to_std(dialog->GetPath()));
+               }
+       }
+
        void jobs_make_dcp ()
        {
                double required;
@@ -788,8 +795,8 @@ 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;
                        }
@@ -801,7 +808,7 @@ 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) {
@@ -832,7 +839,7 @@ private:
 
                if (_dkdm_dialog) {
                        _dkdm_dialog->Destroy ();
-                       _dkdm_dialog = 0;
+                       _dkdm_dialog = nullptr;
                }
 
                _dkdm_dialog = new DKDMDialog (this, _film);
@@ -935,7 +942,7 @@ 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()
                                )
                        );
 
@@ -967,7 +974,7 @@ private:
                if (kdm) {
                        if (d->internal ()) {
                                auto dkdms = Config::instance()->dkdms();
-                               dkdms->add (shared_ptr<DKDM> (new DKDM (kdm.get())));
+                               dkdms->add (make_shared<DKDM>(kdm.get()));
                                Config::instance()->changed ();
                        } else {
                                auto path = d->directory() / (_film->dcp_name(false) + "_DKDM.xml");
@@ -995,7 +1002,7 @@ private:
                                }
                        }
 
-                       auto job = make_shared<TranscodeJob>(_film);
+                       auto job = make_shared<TranscodeJob>(_film, TranscodeJob::ChangedBehaviour::EXAMINE_THEN_STOP);
                        job->set_encoder (
                                make_shared<FFmpegEncoder> (
                                        _film, job, d->path(), d->format(), d->mixdown_to_stereo(), d->split_reels(), d->split_streams(), d->x264_crf())
@@ -1010,7 +1017,7 @@ private:
        {
                auto d = new ExportSubtitlesDialog (this, _film->reels().size(), _film->interop());
                if (d->ShowModal() == wxID_OK) {
-                       auto job = make_shared<TranscodeJob>(_film);
+                       auto job = make_shared<TranscodeJob>(_film, TranscodeJob::ChangedBehaviour::EXAMINE_THEN_STOP);
                        job->set_encoder (
                                make_shared<SubtitleEncoder>(_film, job, d->path(), _film->isdcf_name(true), d->split_reels(), d->include_font())
                                );
@@ -1028,36 +1035,9 @@ 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"));
-                               }
-                       }
+               if (show_in_file_manager(_film->directory().get(), _film->dir(_film->dcp_name(false)))) {
+                       error_dialog (this, _("Could not show DCP."));
                }
-#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"));
-               }
-#endif
        }
 
        void view_closed_captions ()
@@ -1112,8 +1092,8 @@ private:
 
        void tools_check_for_updates ()
        {
-               UpdateChecker::instance()->run ();
                _update_news_requested = true;
+               UpdateChecker::instance()->run();
        }
 
        void tools_send_translations ()
@@ -1130,8 +1110,17 @@ private:
                                body += i.first + "\n" + i.second + "\n\n";
                        }
                        list<string> to = { "carl@dcpomatic.com" };
-                       Emailer emailer (d->email(), to, "DCP-o-matic translations", body);
-                       emailer.send ("main.carlh.net", 2525, EmailProtocol::STARTTLS);
+                       if (d->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 (d->email(), to, "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()));
+                               }
+                       }
                }
 
                d->Destroy ();
@@ -1309,9 +1298,12 @@ private:
        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);
@@ -1321,6 +1313,7 @@ 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__
@@ -1334,26 +1327,35 @@ private:
 #endif
 
                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
 
                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 ();
+               /* [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 ();
@@ -1382,6 +1384,8 @@ 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__
@@ -1440,7 +1444,7 @@ 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 ();
                auto history = Config::instance()->history();
 
@@ -1522,29 +1526,45 @@ private:
                d->Destroy();
        }
 
+       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;
        std::shared_ptr<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;
+       VideoWaveformDialog* _video_waveform_dialog = nullptr;
+       SystemInformationDialog* _system_information_dialog = nullptr;
+       HintsDialog* _hints_dialog = nullptr;
+       ServersListDialog* _servers_list_dialog = nullptr;
+       wxPreferencesEditor* _config_dialog = nullptr;
+       KDMDialog* _kdm_dialog = nullptr;
+       DKDMDialog* _dkdm_dialog = nullptr;
+       TemplatesDialog* _templates_dialog = nullptr;
+       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;
+       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 },
@@ -1555,6 +1575,7 @@ static const wxCmdLineEntryDesc command_line_description[] = {
        { wxCMD_LINE_NONE, "", "", "", wxCmdLineParamType (0), 0 }
 };
 
+
 /** @class App
  *  @brief The magic App class for wxWidgets.
  */
@@ -1563,8 +1584,6 @@ class App : public wxApp
 public:
        App ()
                : wxApp ()
-               , _frame (0)
-               , _splash (0)
        {
 #ifdef DCPOMATIC_LINUX
                XInitThreads ();
@@ -1573,7 +1592,7 @@ public:
 
 private:
 
-       bool OnInit ()
+       bool OnInit () override
        {
                try {
                        wxInitAllImageHandlers ();
@@ -1641,23 +1660,23 @@ 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 ()) {
+                               _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);
+                                               _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));
                                }
                        }
 
@@ -1668,6 +1687,14 @@ private:
                        if (Config::instance()->check_for_updates ()) {
                                UpdateChecker::instance()->run ();
                        }
+
+                       auto release_notes = find_release_notes();
+                       if (release_notes) {
+                               auto notes = new HTMLDialog(nullptr, _("Release notes"), std_to_wx(*release_notes), true);
+                               notes->Centre();
+                               notes->ShowModal();
+                               notes->Destroy();
+                       }
                }
                catch (exception& e)
                {
@@ -1681,13 +1708,13 @@ private:
                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";
@@ -1757,14 +1784,14 @@ 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 ();
        }
@@ -1814,7 +1841,7 @@ private:
                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;
                        }
                        auto d = new RecreateChainDialog (
@@ -1823,7 +1850,24 @@ private:
                                  "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
+                               );
+                       int const r = d->ShowModal ();
+                       d->Destroy ();
+                       return r == wxID_OK;
+               }
+               case Config::BAD_SIGNER_VALIDITY_TOO_LONG:
+               {
+                       if (config->nagged(Config::NAG_BAD_SIGNER_CHAIN_VALIDITY)) {
+                               return false;
+                       }
+                       auto d = new RecreateChainDialog (
+                               _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 ();
@@ -1867,8 +1911,8 @@ private:
                }
        }
 
-       DOMFrame* _frame;
-       wxSplashScreen* _splash;
+       DOMFrame* _frame = nullptr;
+       wxSplashScreen* _splash = nullptr;
        shared_ptr<wxTimer> _timer;
        string _film_to_load;
        string _film_to_create;
@@ -1876,4 +1920,5 @@ private:
        string _dcp_to_add;
 };
 
+
 IMPLEMENT_APP (App)