RetroShare/retroshare-gui/src/lang/languagesupport.h

/****************************************************************
 * This file is distributed under the following license:
 *
 * Copyright (c) 2006-2007, crypton
 * Copyright (c) 2006, Matt Edman, Justin Hipple
 *
 *  This program is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU General Public License
 *  as published by the Free Software Foundation; either version 2
 *  of the License, or (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, 
 *  Boston, MA  02110-1301, USA.
 ****************************************************************/



#ifndef _LANGUAGESUPPORT_H
#define _LANGUAGESUPPORT_H

#include <QApplication>
#include <QStringList>
#include <QMap>



class LanguageSupport
{
public:
  /** Returns the default language code for the system locale. */
  static QString defaultLanguageCode();
  /** Returns the language code for a given language name. */
  static QString languageCode(const QString &languageName);
  /** Returns a list of all supported language codes (e.g., "en"). */
  static QStringList languageCodes();
  /** Returns the language name for a given language code. */
  static QString languageName(const QString &languageCode);
  /** Returns a list of all supported language names (e.g., "English"). */
  static QStringList languageNames();
  /** Returns a list of all supported language codes and names. */
  static QMap<QString, QString> languages();
  /** Returns true if we understand the given language code. */
  static bool isValidLanguageCode(const QString &languageCode);
  /** Returns true if <b>languageCode</b> requires a right-to-left layout. */
  static bool isRightToLeft(const QString &languageCode);
  /** Sets the application's translator to the specified language. */
  static bool translate(const QString &languageCode);
};

#endif