/**************************************************************************** ** ** Copyright (C) 2015 The Qt Company Ltd ** All rights reserved. ** For any questions to The Qt Company, please use contact form at http://qt.io ** ** This file is part of the Qt Data Visualization module. ** ** Licensees holding valid commercial license for Qt may use this file in ** accordance with the Qt License Agreement provided with the Software ** or, alternatively, in accordance with the terms contained in a written ** agreement between you and The Qt Company. ** ** If you have questions regarding the use of this file, please use ** contact form at http://qt.io ** ****************************************************************************/ #include "custominputhandler.h" #include 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]