calamares/src/libcalamares/utils/Retranslator.cpp
2017-12-20 08:39:09 -05:00

71 lines
1.8 KiB
C++

/* === This file is part of Calamares - <https://github.com/calamares> ===
*
* Copyright 2014, Teo Mrnjavac <teo@kde.org>
*
* Calamares 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 3 of the License, or
* (at your option) any later version.
*
* Calamares 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 Calamares. If not, see <http://www.gnu.org/licenses/>.
*/
#include "Retranslator.h"
#include <QEvent>
namespace CalamaresUtils {
void
Retranslator::attachRetranslator( QObject* parent,
std::function< void ( void ) > retranslateFunc )
{
Retranslator* r = nullptr;
for ( QObject* child : parent->children() )
{
r = qobject_cast< Retranslator* >( child );
if ( r )
break;
}
if ( !r )
r = new Retranslator( parent );
r->m_retranslateFuncList.append( retranslateFunc );
retranslateFunc();
}
Retranslator::Retranslator( QObject* parent )
: QObject( parent )
{
parent->installEventFilter( this );
}
bool
Retranslator::eventFilter( QObject* obj, QEvent* e )
{
if ( obj == parent() )
{
if ( e->type() == QEvent::LanguageChange )
{
foreach ( std::function< void() > func, m_retranslateFuncList )
func();
}
}
// pass the event on to the base
return QObject::eventFilter( obj, e );
}
} // namespace CalamaresUtils