monero-gui/TranslationManager.cpp
2019-05-01 13:53:04 -07:00

101 lines
3.5 KiB
C++

// Copyright (c) 2014-2019, The Monero Project
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without modification, are
// permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this list of
// conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
// of conditions and the following disclaimer in the documentation and/or other
// materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its contributors may be
// used to endorse or promote products derived from this software without specific
// prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "TranslationManager.h"
#include <QApplication>
#include <QTranslator>
#include <QDir>
#include <QDebug>
#include <QFileInfo>
TranslationManager * TranslationManager::m_instance = nullptr;
TranslationManager::TranslationManager(QObject *parent) : QObject(parent)
{
m_translator = new QTranslator(this);
}
bool TranslationManager::setLanguage(const QString &language)
{
qDebug() << __FUNCTION__ << " " << language;
// if language is "en", remove translator
if (language.toLower() == "en") {
qApp->removeTranslator(m_translator);
emit languageChanged();
return true;
}
QString dir = qApp->applicationDirPath() + "/translations";
QString filename = "monero-core_" + language;
qDebug("%s: loading translation file '%s' from '%s'",
__FUNCTION__, qPrintable(filename), qPrintable(dir));
if (m_translator->load(filename, dir)) {
qDebug("%s: translation for language '%s' loaded successfully",
__FUNCTION__, qPrintable(language));
// TODO: apply locale?
qApp->installTranslator(m_translator);
emit languageChanged();
return true;
}
qDebug("%s: couldn't load translation file '%s' from '%s'",
__FUNCTION__, qPrintable(filename), qPrintable(dir));
qDebug("%s: loading embedded translation file '%s'",
__FUNCTION__, qPrintable(filename));
if (m_translator->load(filename, ":")) {
qDebug("%s: embedded translation for language '%s' loaded successfully",
__FUNCTION__, qPrintable(language));
qApp->installTranslator(m_translator);
emit languageChanged();
return true;
}
qCritical("%s: error loading translation for language '%s'",
__FUNCTION__, qPrintable(language));
return false;
}
TranslationManager *TranslationManager::instance()
{
if (!m_instance) {
m_instance = new TranslationManager();
}
return m_instance;
}
QString TranslationManager::emptyString()
{
return "";
}