| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the Qt Data Visualization module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:GPL$ |
| ** Commercial License Usage |
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| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU |
| ** General Public License version 3 or (at your option) any later version |
| ** approved by the KDE Free Qt Foundation. The licenses are as published by |
| ** the Free Software Foundation and appearing in the file LICENSE.GPL3 |
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| ****************************************************************************/ |
| |
| #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] |