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

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/****************************************************************
* 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.
****************************************************************/
#include <QTranslator>
#include <QLocale>
#include "languagesupport.h"
/** Static list of supported languages and codes. */
QMap<QString, QString> LanguageSupport::_languages;
/** Initializes the list of available languages. */
void
LanguageSupport::initialize()
{
_languages.clear();
_languages.insert("af", "Afrikaans");
_languages.insert("bg", "Bulgarien");
_languages.insert("cy", "Welsh");
_languages.insert("de", "Deutsch");
_languages.insert("da", "Danish");
_languages.insert("en", "English");
_languages.insert("es", QString::fromUtf8("spanish"));
_languages.insert("fr", QString::fromUtf8("Fran\303\247ais"));
_languages.insert("fi", "suomi");
_languages.insert("gr", "Greek");
_languages.insert("it", "Italiano");
_languages.insert("ja", QString::fromUtf8("\346\227\245\346\234\254\350\252\236"));
_languages.insert("ko", "Korean");
_languages.insert("pl", "Polish");
_languages.insert("pt", "Portuguese");
_languages.insert("ru", QString::fromUtf8("\320\240\321\203\321\201\321\201\320\272\320\270\320\271"));
_languages.insert("sl", "slovenian");
_languages.insert("sr", "Serbian");
_languages.insert("sv", "svenska");
_languages.insert("tr", QString::fromUtf8("T\303\274rk\303\247e"));
_languages.insert("zh_CN", QString::fromUtf8("\347\256\200\344\275\223\345\255\227"));
_languages.insert("zh_TW", QString::fromUtf8("\347\260\241\351\253\224\345\255\227"));
}
/** Returns the default language code for the system locale. */
QString
LanguageSupport::defaultLanguageCode()
{
QString language = QLocale::system().name();
if (language != "zh_CN" && language != "zh_TW")
language = language.mid(0, language.indexOf("_"));
if (!isValidLanguageCode(language))
language = "en";
return language;
}
/** Returns the language code for a given language name. */
QString
LanguageSupport::languageCode(QString languageName)
{
return _languages.key(languageName);
}
/** Returns a list of all supported language codes. (e.g., "en"). */
QStringList
LanguageSupport::languageCodes()
{
return _languages.keys();
}
/** Returns the language name for a given language code. */
QString
LanguageSupport::languageName(QString languageCode)
{
return _languages.value(languageCode);
}
/** Returns a list of all supported language names (e.g., "English"). */
QStringList
LanguageSupport::languageNames()
{
return _languages.values();
}
/** Returns a list of all supported language codes and names. */
QMap<QString, QString>
LanguageSupport::languages()
{
return _languages;
}
/** Returns true if we understand the given language code. */
bool
LanguageSupport::isValidLanguageCode(QString code)
{
return languageCodes().contains(code.toLower());
}
/** Sets the application's translator to the specified language. */
bool
LanguageSupport::translate(QString langCode)
{
if (isValidLanguageCode(langCode)) {
QTranslator *translator = new QTranslator();
if (translator->load(QString(":/lang/") + langCode.toLower())) {
QApplication::installTranslator(translator);
return true;
}
delete translator;
}
return false;
}