File indexing completed on 2024-11-24 03:56:29

 /*
  * SPDX-FileCopyrightText: 2019-2023 Mattia Basaglia <dev@dragon.best>
  *
  * SPDX-License-Identifier: GPL-3.0-or-later
  */
 
 #pragma once
 
 #include <QString>
 #include <QMap>
 
 class QTranslator;
 
 namespace app {
 
 class TranslationService
 {
 public:
     static TranslationService& instance()
     {
         static TranslationService instance;
         return instance;
     }
 
     void change_lang_code ( QString code );
 
     /**
      * \brief Initialize the resource system
      */
     void initialize(QString default_lang_code="en");
 
     /**
      *  \brief Determine human readable language name from ISO 639-1 code
      *
      *  Depending on Qt version the returned string is either in English or
      *  in the language itself.
      *
      *  If lang_code is not rectognised, a null string is returned
     */
     QString language_name ( QString lang_code );
 
 
     /**
      *  \brief Register a translation
      *
      *  \param name Human-readable language name
      *  \param code ISO 639-1 language code
      *  \param file Path to the translation file, if empty no file gets loaded
     */
     void register_translation ( QString name, QString code, QString file );
 
 
     QString current_language_name();
     QString current_language_code();
     QTranslator* translator();
 
     /**
      *  \brief Map of language names to codes
      */
     const QMap<QString, QString>& available_languages();
 
 private:
     TranslationService() = default;
     TranslationService(const TranslationService&) = delete;
     ~TranslationService() = default;
 
 
     QMap<QString, QString> lang_names; ///< map lang_name -> lang_code
     QMap<QString, QTranslator*> translators; ///< map lang_code -> translator
     QString current_language;
 
 
 };
 
 } // namespace app