/* | |
* Copyright (C) 2001 Peter Kelly (pmk@post.com) | |
* Copyright (C) 2001 Tobias Anton (anton@stud.fbi.fh-darmstadt.de) | |
* Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com) | |
* Copyright (C) 2003, 2005, 2006, 2008, 2010 Apple Inc. 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. | |
*/ | |
#include "config.h" | |
#include "WheelEvent.h" | |
#include "EventNames.h" | |
#include <wtf/MathExtras.h> | |
namespace WebCore { | |
WheelEvent::WheelEvent() | |
: m_wheelDeltaX(0) | |
, m_wheelDeltaY(0) | |
, m_rawDeltaX(0) | |
, m_rawDeltaY(0) | |
, m_granularity(Pixel) | |
{ | |
} | |
WheelEvent::WheelEvent(float wheelTicksX, float wheelTicksY, float rawDeltaX, float rawDeltaY, | |
Granularity granularity, PassRefPtr<AbstractView> view, | |
int screenX, int screenY, int pageX, int pageY, | |
bool ctrlKey, bool altKey, bool shiftKey, bool metaKey) | |
: MouseRelatedEvent(eventNames().mousewheelEvent, | |
true, true, view, 0, screenX, screenY, pageX, pageY, | |
ctrlKey, altKey, shiftKey, metaKey) | |
, m_wheelDeltaX(lroundf(wheelTicksX * 120)) | |
, m_wheelDeltaY(lroundf(wheelTicksY * 120)) // Normalize to the Windows 120 multiple | |
, m_rawDeltaX(rawDeltaX) | |
, m_rawDeltaY(rawDeltaY) | |
, m_granularity(granularity) | |
{ | |
} | |
void WheelEvent::initWheelEvent(int rawDeltaX, int rawDeltaY, PassRefPtr<AbstractView> view, | |
int screenX, int screenY, int pageX, int pageY, | |
bool ctrlKey, bool altKey, bool shiftKey, bool metaKey) | |
{ | |
if (dispatched()) | |
return; | |
initUIEvent(eventNames().mousewheelEvent, true, true, view, 0); | |
m_screenX = screenX; | |
m_screenY = screenY; | |
m_ctrlKey = ctrlKey; | |
m_altKey = altKey; | |
m_shiftKey = shiftKey; | |
m_metaKey = metaKey; | |
// Normalize to the Windows 120 multiple | |
m_wheelDeltaX = rawDeltaX * 120; | |
m_wheelDeltaY = rawDeltaY * 120; | |
m_rawDeltaX = rawDeltaX; | |
m_rawDeltaY = rawDeltaY; | |
m_granularity = Pixel; | |
initCoordinates(pageX, pageY); | |
} | |
void WheelEvent::initWebKitWheelEvent(int rawDeltaX, int rawDeltaY, PassRefPtr<AbstractView> view, | |
int screenX, int screenY, int pageX, int pageY, | |
bool ctrlKey, bool altKey, bool shiftKey, bool metaKey) | |
{ | |
initWheelEvent(rawDeltaX, rawDeltaY, view, screenX, screenY, pageX, pageY, | |
ctrlKey, altKey, shiftKey, metaKey); | |
} | |
bool WheelEvent::isWheelEvent() const | |
{ | |
return true; | |
} | |
} // namespace WebCore |