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// Copyright (C) 2021 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#include "proxytranslator.h"
#include <QtCore/qlibraryinfo.h>
QT_BEGIN_NAMESPACE
void ProxyTranslator::addEngine(QQmlEngine *engine)
{
m_engines.append(engine);
}
void ProxyTranslator::removeEngine(QQmlEngine *engine)
{
m_engines.removeOne(engine);
}
bool ProxyTranslator::hasTranslation(const TranslationBindingInformation &translationBindingInformation) const
{
resetTranslationFound();
translationFromInformation(translationBindingInformation);
return translationFound();
}
QString ProxyTranslator::translationFromInformation(const TranslationBindingInformation &info)
{
return info.translation.translate();
}
QQmlSourceLocation ProxyTranslator::sourceLocationFromInformation(const TranslationBindingInformation &translationBindingInformation)
{
return QQmlSourceLocation(translationBindingInformation.compilationUnit->fileName(),
translationBindingInformation.line,
translationBindingInformation.column);
}
void ProxyTranslator::setLanguage(const QUrl &context, const QLocale &locale)
{
m_enable = true;
m_currentUILanguages = locale.uiLanguages().join(QLatin1Char(' '));
m_qtTranslator.reset(new QTranslator());
if (!m_qtTranslator->load(locale, QLatin1String("qt"), QLatin1String("_"),
QLibraryInfo::path(QLibraryInfo::TranslationsPath))) {
m_qtTranslator.reset();
}
m_qmlTranslator.reset(new QTranslator(this));
if (!m_qmlTranslator->load(locale, QLatin1String("qml"), QLatin1String("_"),
context.toLocalFile() + QLatin1String("/i18n"))) {
m_qmlTranslator.reset();
}
// unfortunately setUiLanguage set new translators, so do this first
for (QQmlEngine *engine : std::as_const(m_engines))
engine->setUiLanguage(locale.bcp47Name());
// make sure proxy translator is the first used translator
QCoreApplication::removeTranslator(this);
QCoreApplication::installTranslator(this);
for (QQmlEngine *engine : std::as_const(m_engines)) {
// have two retranslate runs to get elided warning even the same language was set
m_enable = false;
engine->retranslate();
m_enable = true;
engine->retranslate();
}
emit languageChanged(locale);
}
QString ProxyTranslator::translate(const char *context, const char *sourceText, const char *disambiguation, int n) const
{
if (!m_enable)
return {};
QString result;
if (result.isNull() && m_qtTranslator)
result = m_qtTranslator->translate(context, sourceText, disambiguation, n);
if (result.isNull() && m_qmlTranslator)
result = m_qmlTranslator->translate(context, sourceText, disambiguation, n);
m_translationFound = !(result.isNull() || result.isEmpty() || result == sourceText);
return result;
}
void ProxyTranslator::resetTranslationFound() const
{
m_translationFound = false;
}
bool ProxyTranslator::translationFound() const
{
return m_translationFound;
}
bool ProxyTranslator::isEmpty() const
{
if (m_qtTranslator && m_qtTranslator->isEmpty())
return false;
if (m_qmlTranslator && m_qmlTranslator->isEmpty())
return false;
return true;
}
QString ProxyTranslator::currentUILanguages() const
{
return m_currentUILanguages;
}
QT_END_NAMESPACE
#include "moc_proxytranslator.cpp"
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