WheelEvent.webidl - mozsearch

Enable keyboard shortcuts

/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/.

 * For more information on this interface please see

 * http://dev.w3.org/2006/webapi/DOM-Level-3-Events/html/DOM3-Events.html

 * Copyright © 2012 W3C® (MIT, ERCIM, Keio), All Rights Reserved. W3C

 * liability, trademark and document use rules apply.

*/

[Exposed=Window]

interface WheelEvent : MouseEvent

  constructor(DOMString type, optional WheelEventInit eventInitDict = {});

  const unsigned long DOM_DELTA_PIXEL = 0x00;

  const unsigned long DOM_DELTA_LINE  = 0x01;

  const unsigned long DOM_DELTA_PAGE  = 0x02;

  // Legacy MouseWheelEvent API replaced by standard WheelEvent API.

  [NeedsCallerType]

  readonly attribute long wheelDeltaX;

  [NeedsCallerType]

  readonly attribute long wheelDeltaY;

  [NeedsCallerType]

  readonly attribute long wheelDelta;

  [NeedsCallerType] readonly attribute double        deltaX;

  [NeedsCallerType] readonly attribute double        deltaY;

  [NeedsCallerType] readonly attribute double        deltaZ;

  [NeedsCallerType] readonly attribute unsigned long deltaMode;

};

dictionary WheelEventInit : MouseEventInit

  double deltaX = 0;

  double deltaY = 0;

  double deltaZ = 0;

  unsigned long deltaMode = 0;

};