WheelEventFilter.cpp

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/*
* This file is part of ArmarX.
*
* ArmarX is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* ArmarX 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, see <http://www.gnu.org/licenses/>.
*
* \package    RobotTrajectoryDesigner::gui-plugins::Util::WheelEventFilter
* \author     Max Beddies
* \date       2018
* \copyright  http://www.gnu.org/licenses/gpl-2.0.txt
*             GNU General Public License
*/
#include "WheelEventFilter.h"
 
namespace armarx
{
    WheelEventFilter::WheelEventFilter(QObject* parent) :
        QObject(parent)
    {
    }
 
    bool WheelEventFilter::eventFilter(QObject* obj, QEvent* e)
    {
        if (e->type() == QEvent::Wheel
            && qobject_cast<QComboBox*>(obj))
        {
            if (qobject_cast<QComboBox*>(obj)->focusPolicy() == Qt::WheelFocus)
            {
                e->accept();
                return false;
            }
            else
            {
                e->ignore();
                return true;
            }
        }
        else
        {
            return QObject::eventFilter(obj, e);
        }
    }
}