/**************************************************************************** ** ** 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 ** Licensees holding valid commercial Qt licenses may use this file in ** accordance with the commercial license agreement provided with the ** Software or, alternatively, in accordance with the terms contained in ** a written agreement between you and The Qt Company. For licensing terms ** and conditions see https://www.qt.io/terms-conditions. For further ** information use the contact form at https://www.qt.io/contact-us. ** ** 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 ** included in the packaging of this file. Please review the following ** information to ensure the GNU General Public License requirements will ** be met: https://www.gnu.org/licenses/gpl-3.0.html. ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #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]