1/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ 2/* This Source Code Form is subject to the terms of the Mozilla Public 3 * License, v. 2.0. If a copy of the MPL was not distributed with this 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. 5 * 6 * For more information on this interface please see 7 * http://dev.w3.org/2006/webapi/DOM-Level-3-Events/html/DOM3-Events.html 8 * 9 * Copyright © 2012 W3C® (MIT, ERCIM, Keio), All Rights Reserved. W3C 10 * liability, trademark and document use rules apply. 11 */ 12 13[Constructor(DOMString type, optional WheelEventInit eventInitDict)] 14interface WheelEvent : MouseEvent 15{ 16 const unsigned long DOM_DELTA_PIXEL = 0x00; 17 const unsigned long DOM_DELTA_LINE = 0x01; 18 const unsigned long DOM_DELTA_PAGE = 0x02; 19 20 readonly attribute double deltaX; 21 readonly attribute double deltaY; 22 readonly attribute double deltaZ; 23 readonly attribute unsigned long deltaMode; 24 25}; 26 27dictionary WheelEventInit : MouseEventInit 28{ 29 double deltaX = 0; 30 double deltaY = 0; 31 double deltaZ = 0; 32 unsigned long deltaMode = 0; 33}; 34