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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc
** All rights reserved.
** For any questions to Digia, please use contact form at http://qt.digia.com
**
** This file is part of the QtDataVisualization module.
**
** Licensees holding valid Qt Enterprise licenses may use this file in
** accordance with the Qt Enterprise License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.
**
** If you have questions regarding the use of this file, please use
** contact form at http://qt.digia.com
**
****************************************************************************/
#include "custominputhandler.h"
#include <QtDataVisualization/Q3DCamera>
CustomInputHandler::CustomInputHandler(QObject *parent) :
QAbstract3DInputHandler(parent)
{
}
//! [0]
void CustomInputHandler::mouseMoveEvent(QMouseEvent *event, const QPoint &mousePos)
{
Q_UNUSED(event)
setInputPosition(mousePos);
}
//! [0]
//! [1]
void CustomInputHandler::wheelEvent(QWheelEvent *event)
{
// Adjust zoom level based on what zoom range we're in.
int zoomLevel = scene()->activeCamera()->zoomLevel();
if (zoomLevel > 100)
zoomLevel += event->angleDelta().y() / 12;
else if (zoomLevel > 50)
zoomLevel += event->angleDelta().y() / 60;
else
zoomLevel += event->angleDelta().y() / 120;
if (zoomLevel > 500)
zoomLevel = 500;
else if (zoomLevel < 10)
zoomLevel = 10;
scene()->activeCamera()->setZoomLevel(zoomLevel);
}
//! [1]
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