WheelEvent.webidl (1453B)
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 [Exposed=Window] 14 interface WheelEvent : MouseEvent 15 { 16 constructor(DOMString type, optional WheelEventInit eventInitDict = {}); 17 18 const unsigned long DOM_DELTA_PIXEL = 0x00; 19 const unsigned long DOM_DELTA_LINE = 0x01; 20 const unsigned long DOM_DELTA_PAGE = 0x02; 21 22 // Legacy MouseWheelEvent API replaced by standard WheelEvent API. 23 [NeedsCallerType] 24 readonly attribute long wheelDeltaX; 25 [NeedsCallerType] 26 readonly attribute long wheelDeltaY; 27 [NeedsCallerType] 28 readonly attribute long wheelDelta; 29 30 [NeedsCallerType] readonly attribute double deltaX; 31 [NeedsCallerType] readonly attribute double deltaY; 32 [NeedsCallerType] readonly attribute double deltaZ; 33 [NeedsCallerType] readonly attribute unsigned long deltaMode; 34 }; 35 36 dictionary WheelEventInit : MouseEventInit 37 { 38 double deltaX = 0; 39 double deltaY = 0; 40 double deltaZ = 0; 41 unsigned long deltaMode = 0; 42 };