mirror of https://github.com/qTox/qTox
110 lines
3.6 KiB
C++
110 lines
3.6 KiB
C++
/*
|
|
Copyright © 2014-2019 by The qTox Project Contributors
|
|
|
|
This file is part of qTox, a Qt-based graphical interface for Tox.
|
|
|
|
qTox is libre 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 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
qTox 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 qTox. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
|
|
#include "translator.h"
|
|
#include <QApplication>
|
|
#include <QDebug>
|
|
#include <QLibraryInfo>
|
|
#include <QLocale>
|
|
#include <QMutexLocker>
|
|
#include <QString>
|
|
#include <QTranslator>
|
|
#include <algorithm>
|
|
|
|
QTranslator* Translator::core_translator{nullptr};
|
|
QTranslator* Translator::app_translator{nullptr};
|
|
QVector<Translator::Callback> Translator::callbacks;
|
|
QMutex Translator::lock;
|
|
|
|
/**
|
|
* @brief Loads the translations according to the settings or locale.
|
|
*/
|
|
void Translator::translate(const QString& localeName)
|
|
{
|
|
QMutexLocker locker{&lock};
|
|
|
|
if (!core_translator)
|
|
core_translator = new QTranslator();
|
|
|
|
if (!app_translator)
|
|
app_translator = new QTranslator();
|
|
|
|
// Remove old translations
|
|
QCoreApplication::removeTranslator(core_translator);
|
|
QApplication::removeTranslator(app_translator);
|
|
|
|
// Load translations
|
|
QString locale = localeName.isEmpty() ? QLocale::system().name().section('_', 0, 0) : localeName;
|
|
|
|
if (core_translator->load(locale, ":translations/")) {
|
|
qDebug() << "Loaded translation" << locale;
|
|
|
|
// System menu translation
|
|
QString s_locale = "qt_" + locale;
|
|
QString location = QLibraryInfo::location(QLibraryInfo::TranslationsPath);
|
|
if (app_translator->load(s_locale, location)) {
|
|
QApplication::installTranslator(app_translator);
|
|
qDebug() << "System translation loaded" << locale;
|
|
} else {
|
|
qDebug() << "System translation not loaded" << locale;
|
|
}
|
|
|
|
// Application translation
|
|
QCoreApplication::installTranslator(core_translator);
|
|
} else {
|
|
qDebug() << "Error loading translation" << locale;
|
|
}
|
|
|
|
// After the language is changed from RTL to LTR, the layout direction isn't
|
|
// always restored
|
|
const QString direction =
|
|
QApplication::tr("LTR", "Translate this string to the string 'RTL' in"
|
|
" right-to-left languages (for example Hebrew and"
|
|
" Arabic) to get proper widget layout");
|
|
|
|
QGuiApplication::setLayoutDirection(direction == "RTL" ? Qt::RightToLeft : Qt::LeftToRight);
|
|
|
|
for (auto pair : callbacks)
|
|
pair.second();
|
|
}
|
|
|
|
/**
|
|
* @brief Register a function to be called when the UI needs to be retranslated.
|
|
* @param f Function, wich will called.
|
|
* @param owner Widget to retanslate.
|
|
*/
|
|
void Translator::registerHandler(const std::function<void()>& f, void* owner)
|
|
{
|
|
QMutexLocker locker{&lock};
|
|
callbacks.push_back({owner, f});
|
|
}
|
|
|
|
/**
|
|
* @brief Unregisters all handlers of an owner.
|
|
* @param owner Owner to unregister.
|
|
*/
|
|
void Translator::unregister(void* owner)
|
|
{
|
|
QMutexLocker locker{&lock};
|
|
callbacks.erase(std::remove_if(begin(callbacks), end(callbacks),
|
|
[=](const Callback& c) { return c.first == owner; }),
|
|
end(callbacks));
|
|
}
|