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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#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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