| /* |
| * 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 |
