Method PickLanguage

src/aegisublocale.cpp:81–124

}

std::string AegisubLocale::PickLanguage() {
	if (active_language.empty()) {
		wxString os_ui_language = GetTranslations()->GetBestTranslation(AEGISUB_CATALOG);
		if (!os_ui_language.empty())
			return from_wx(os_ui_language);
	}

	wxArrayString langs = GetTranslations()->GetAvailableTranslations(AEGISUB_CATALOG);

	// No translations available, so don't bother asking the user
	if (langs.empty() && active_language.empty())
		return "en_US";

	langs.insert(langs.begin(), "en_US");

	// Check if user local language is available, if so, make it first
	const wxLanguageInfo *info = wxLocale::GetLanguageInfo(wxLocale::GetSystemLanguage());
	if (info) {
		auto it = std::find(langs.begin(), langs.end(), info->CanonicalName);
		if (it != langs.end())
			std::rotate(langs.begin(), it, it + 1);
	}

	// Generate names
	wxArrayString langNames;
	for (auto const& lang : langs)
		langNames.push_back(LocalizedLanguageName(lang));

	long style = wxDEFAULT_DIALOG_STYLE | wxRESIZE_BORDER | wxOK | wxCENTRE;
	if (!active_language.empty())
		style |= wxCANCEL;

	wxSingleChoiceDialog dialog(nullptr, "Please choose a language:", "Language", langNames,
			(void **)nullptr,
			style);
	if (dialog.ShowModal() == wxID_OK) {
		int picked = dialog.GetSelection();
		auto new_lang = from_wx(langs[picked]);
		if (new_lang != active_language)
			return new_lang;
	}

	return "";
}