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/*
* Copyright (C) 2006-2024 Apple Inc. All rights reserved.
* Copyright (C) 2006 Samuel Weinig <sam.weinig@gmail.com>
* Copyright (C) 2013 Samsung Electronics. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
// https://w3c.github.io/uievents/#interface-wheelevent
[
Exposed=Window
] interface WheelEvent : MouseEvent {
constructor([AtomString] DOMString type, optional WheelEventInit eventInitDict = {});
// DeltaModeCode
const unsigned long DOM_DELTA_PIXEL = 0x00;
const unsigned long DOM_DELTA_LINE = 0x01;
const unsigned long DOM_DELTA_PAGE = 0x02;
readonly attribute double deltaX;
readonly attribute double deltaY;
readonly attribute double deltaZ;
readonly attribute unsigned long deltaMode;
// Legacy MouseWheelEvent API replaced by standard WheelEvent API.
readonly attribute long wheelDeltaX;
readonly attribute long wheelDeltaY;
readonly attribute long wheelDelta;
readonly attribute boolean webkitDirectionInvertedFromDevice;
};
// https://w3c.github.io/uievents/#idl-wheeleventinit
dictionary WheelEventInit : MouseEventInit {
double deltaX = 0.0;
double deltaY = 0.0;
double deltaZ = 0.0;
unsigned long deltaMode = 0;
// Legacy members that we still support for backward compatibility.
long wheelDeltaX = 0;
long wheelDeltaY = 0;
};
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