Use more ScopeGuards.
[dcpomatic.git] / src / tools / dcpomatic.cc
index 5ff04de228bd0611092a8b9610c2b58bee113b4c..257bb7ab199b9d0596d49c3f577041ad69dc74e9 100644 (file)
@@ -80,6 +80,7 @@
 #include "lib/log.h"
 #include "lib/make_dcp.h"
 #include "lib/release_notes.h"
+#include "lib/scope_guard.h"
 #include "lib/screen.h"
 #include "lib/send_kdm_email_job.h"
 #include "lib/signal_manager.h"
@@ -577,36 +578,37 @@ private:
        void file_new ()
        {
                auto d = new FilmNameLocationDialog (this, _("New Film"), true);
+               ScopeGuard sg = [d]() { d->Destroy(); };
                int const r = d->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 || !d->check_path() || !maybe_save_then_delete_film<FilmChangedClosingDialog>()) {
+                       return;
+               }
+
+               try {
+                       new_film (d->path(), d->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 = 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];
                                }
-                               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 ()
@@ -617,6 +619,7 @@ private:
                        std_to_wx (Config::instance()->default_directory_or (wx_to_std (wxStandardPaths::Get().GetDocumentsDir())).string ()),
                        wxDEFAULT_DIALOG_STYLE | wxDD_DIR_MUST_EXIST
                        );
+               ScopeGuard sg = [c]() { c->Destroy(); };
 
                int r;
                while (true) {
@@ -631,8 +634,6 @@ private:
                if (r == wxID_OK && maybe_save_then_delete_film<FilmChangedClosingDialog>()) {
                        load_film (wx_to_std (c->GetPath ()));
                }
-
-               c->Destroy ();
        }
 
        void file_save ()
@@ -643,42 +644,37 @@ private:
        void file_save_as_template ()
        {
                auto d = new SaveTemplateDialog (this);
-               int const r = d->ShowModal ();
-               if (r == wxID_OK) {
+               ScopeGuard sg = [d]() { d->Destroy(); };
+               if (d->ShowModal() == wxID_OK) {
                        Config::instance()->save_template (_film, d->name ());
                }
-               d->Destroy ();
        }
 
        void file_duplicate ()
        {
                auto d = new FilmNameLocationDialog (this, _("Duplicate Film"), false);
-               int const r = d->ShowModal ();
+               ScopeGuard sg = [d]() { d->Destroy(); };
 
-               if (r == wxID_OK && d->check_path() && maybe_save_film<FilmChangedDuplicatingDialog>()) {
+               if (d->ShowModal() == wxID_OK && d->check_path() && maybe_save_film<FilmChangedDuplicatingDialog>()) {
                        shared_ptr<Film> film (new Film (d->path()));
                        film->copy_from (_film);
                        film->set_name (d->path().filename().generic_string());
                        film->write_metadata ();
                }
-
-               d->Destroy ();
        }
 
        void file_duplicate_and_open ()
        {
                auto d = new FilmNameLocationDialog (this, _("Duplicate Film"), false);
-               int const r = d->ShowModal ();
+               ScopeGuard sg = [d]() { d->Destroy(); };
 
-               if (r == wxID_OK && d->check_path() && maybe_save_film<FilmChangedDuplicatingDialog>()) {
+               if (d->ShowModal() == wxID_OK && d->check_path() && maybe_save_film<FilmChangedDuplicatingDialog>()) {
                        shared_ptr<Film> film (new Film (d->path()));
                        film->copy_from (_film);
                        film->set_name (d->path().filename().generic_string());
                        film->write_metadata ();
                        set_film (film);
                }
-
-               d->Destroy ();
        }
 
        void file_close ()
@@ -733,29 +729,31 @@ private:
                DCPOMATIC_ASSERT (_clipboard);
 
                auto d = new PasteDialog (this, static_cast<bool>(_clipboard->video), static_cast<bool>(_clipboard->audio), !_clipboard->text.empty());
-               if (d->ShowModal() == wxID_OK) {
-                       for (auto 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);
-                               }
+               ScopeGuard sg = [d]() { d->Destroy(); };
+               if (d->ShowModal() != wxID_OK) {
+                       return;
+               }
 
-                               if (d->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;
-                                       }
+               for (auto 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);
+                       }
+
+                       if (d->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 ()
@@ -779,11 +777,9 @@ private:
                        _("Restore default preferences"),
                        wxYES_NO | wxYES_DEFAULT | wxICON_QUESTION
                        );
+               ScopeGuard sg = [d]() { d->Destroy(); };
 
-               int const r = d->ShowModal ();
-               d->Destroy ();
-
-               if (r == wxID_YES) {
+               if (d->ShowModal() == wxID_YES) {
                        Config::restore_defaults ();
                }
        }
@@ -794,11 +790,9 @@ private:
                        this, _("Specify ZIP file"), wxEmptyString, wxT("dcpomatic_config.zip"), wxT("ZIP files (*.zip)|*.zip"),
                        wxFD_SAVE | wxFD_OVERWRITE_PROMPT
                        );
+               ScopeGuard sg = [dialog]() { dialog->Destroy(); };
 
-               int const r = dialog->ShowModal ();
-               dialog->Destroy ();
-
-               if (r == wxID_OK) {
+               if (dialog->ShowModal() == wxID_OK) {
                        save_all_config_as_zip (wx_to_std(dialog->GetPath()));
                }
        }
@@ -823,9 +817,8 @@ private:
 
                if (Config::instance()->show_hints_before_make_dcp()) {
                        auto hints = new HintsDialog (this, _film, false);
-                       int const r = hints->ShowModal();
-                       hints->Destroy ();
-                       if (r == wxID_CANCEL) {
+                       ScopeGuard sg = [hints]() { hints->Destroy(); };
+                       if (hints->ShowModal() == wxID_CANCEL) {
                                return;
                        }
                }
@@ -937,9 +930,8 @@ private:
 
                if (Config::instance()->show_hints_before_make_dcp()) {
                        auto hints = new HintsDialog (this, _film, false);
-                       int const r = hints->ShowModal();
-                       hints->Destroy ();
-                       if (r == wxID_CANCEL) {
+                       ScopeGuard sg = [hints]() { hints->Destroy(); };
+                       if (hints->ShowModal() == wxID_CANCEL) {
                                return;
                        }
                }
@@ -977,8 +969,8 @@ private:
                }
 
                auto d = new SelfDKDMDialog (this, _film);
+               ScopeGuard sg = [d]() { d->Destroy(); };
                if (d->ShowModal () != wxID_OK) {
-                       d->Destroy ();
                        return;
                }
 
@@ -1028,49 +1020,49 @@ private:
                                kdm->as_xml (path);
                        }
                }
-
-               d->Destroy ();
        }
 
 
        void jobs_export_video_file ()
        {
                auto d = new ExportVideoFileDialog (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;
-                               }
-                       }
+               ScopeGuard sg = [d]() { d->Destroy(); };
+               if (d->ShowModal() != wxID_OK) {
+                       return;
+               }
 
-                       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())
-                               );
-                       JobManager::instance()->add (job);
+               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) {
+                               return;
+                       }
                }
-               d->Destroy ();
+
+               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())
+                       );
+               JobManager::instance()->add (job);
        }
 
 
        void jobs_export_subtitles ()
        {
                auto d = new ExportSubtitlesDialog (this, _film->reels().size(), _film->interop());
-               if (d->ShowModal() == wxID_OK) {
-                       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())
-                               );
-                       JobManager::instance()->add (job);
+               ScopeGuard sg = [d]() { d->Destroy(); };
+               if (d->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, d->path(), _film->isdcf_name(true), d->split_reels(), d->include_font())
+                       );
+               JobManager::instance()->add(job);
        }
 
 
@@ -1146,6 +1138,7 @@ private:
        void tools_send_translations ()
        {
                auto d = new SendI18NDialog (this);
+               ScopeGuard sg = [d]() { d->Destroy(); };
                if (d->ShowModal() == wxID_OK) {
                        string body;
                        body += d->name() + "\n";
@@ -1169,24 +1162,22 @@ private:
                                }
                        }
                }
-
-               d->Destroy ();
        }
 
        void help_about ()
        {
                auto d = new AboutDialog (this);
+               ScopeGuard sg = [d]() { d->Destroy(); };
                d->ShowModal ();
-               d->Destroy ();
        }
 
        void help_report_a_problem ()
        {
                auto d = new ReportProblemDialog (this, _film);
+               ScopeGuard sg = [d]() { d->Destroy(); };
                if (d->ShowModal () == wxID_OK) {
                        d->report ();
                }
-               d->Destroy ();
        }
 
        bool should_close ()
@@ -1201,10 +1192,9 @@ private:
                        _("Unfinished jobs"),
                        wxYES_NO | wxYES_DEFAULT | wxICON_QUESTION
                        );
+               ScopeGuard sg = [d]() { d->Destroy(); };
 
-               bool const r = d->ShowModal() == wxID_YES;
-               d->Destroy ();
-               return r;
+               return d->ShowModal() == wxID_YES;
        }
 
        void close (wxCloseEvent& ev)
@@ -1540,8 +1530,8 @@ private:
 
                if (uc->state() == UpdateChecker::State::YES) {
                        auto dialog = new UpdateDialog (this, uc->stable(), uc->test());
+                       ScopeGuard sg = [dialog]() { dialog->Destroy(); };
                        dialog->ShowModal ();
-                       dialog->Destroy ();
                } else if (uc->state() == UpdateChecker::State::FAILED) {
                        error_dialog (this, _("The DCP-o-matic download server could not be contacted."));
                } else {
@@ -1578,8 +1568,8 @@ private:
        void analytics_message (string title, string html)
        {
                auto d = new HTMLDialog(this, std_to_wx(title), std_to_wx(html));
+               ScopeGuard sg = [d]() { d->Destroy(); };
                d->ShowModal();
-               d->Destroy();
        }
 
        void set_title ()
@@ -1749,9 +1739,9 @@ private:
                        auto release_notes = find_release_notes(gui_is_dark());
                        if (release_notes) {
                                auto notes = new HTMLDialog(nullptr, _("Release notes"), std_to_wx(*release_notes), true);
+                               ScopeGuard sg = [notes]() { notes->Destroy(); };
                                notes->Centre();
                                notes->ShowModal();
-                               notes->Destroy();
                        }
                }
                catch (exception& e)
@@ -1873,7 +1863,7 @@ private:
        {
                if (_splash) {
                        _splash->Destroy ();
-                       _splash = 0;
+                       _splash = nullptr;
                }
        }
 
@@ -1910,9 +1900,8 @@ private:
                                _("Do nothing"),
                                Config::NAG_BAD_SIGNER_CHAIN_UTF8
                                );
-                       int const r = d->ShowModal ();
-                       d->Destroy ();
-                       return r == wxID_OK;
+                       ScopeGuard sg = [d]() { d->Destroy(); };
+                       return d->ShowModal() == wxID_OK;
                }
                case Config::BAD_SIGNER_VALIDITY_TOO_LONG:
                {
@@ -1927,9 +1916,8 @@ private:
                                _("Do nothing"),
                                Config::NAG_BAD_SIGNER_CHAIN_VALIDITY
                                );
-                       int const r = d->ShowModal ();
-                       d->Destroy ();
-                       return r == wxID_OK;
+                       ScopeGuard sg = [d]() { d->Destroy(); };
+                       return d->ShowModal() == wxID_OK;
                }
                case Config::BAD_SIGNER_INCONSISTENT:
                {
@@ -1940,9 +1928,8 @@ private:
                                  "the certificate chain for signing DCPs and KDMs?"),
                                _("Close DCP-o-matic")
                                );
-                       int const r = d->ShowModal ();
-                       d->Destroy ();
-                       if (r != wxID_OK) {
+                       ScopeGuard sg = [d]() { d->Destroy(); };
+                       if (d->ShowModal() != wxID_OK) {
                                exit (EXIT_FAILURE);
                        }
                        return true;
@@ -1957,9 +1944,8 @@ private:
                                  "configuration before continuing."),
                                _("Close DCP-o-matic")
                                );
-                       int const r = d->ShowModal ();
-                       d->Destroy ();
-                       if (r != wxID_OK) {
+                       ScopeGuard sg = [d]() { d->Destroy(); };
+                       if (d->ShowModal() != wxID_OK) {
                                exit (EXIT_FAILURE);
                        }
                        return true;