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author | Steve Block <steveblock@google.com> | 2011-05-06 11:45:16 +0100 |
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committer | Steve Block <steveblock@google.com> | 2011-05-12 13:44:10 +0100 |
commit | cad810f21b803229eb11403f9209855525a25d57 (patch) | |
tree | 29a6fd0279be608e0fe9ffe9841f722f0f4e4269 /Source/WebCore/dom/WheelEvent.cpp | |
parent | 121b0cf4517156d0ac5111caf9830c51b69bae8f (diff) | |
download | external_webkit-cad810f21b803229eb11403f9209855525a25d57.zip external_webkit-cad810f21b803229eb11403f9209855525a25d57.tar.gz external_webkit-cad810f21b803229eb11403f9209855525a25d57.tar.bz2 |
Merge WebKit at r75315: Initial merge by git.
Change-Id: I570314b346ce101c935ed22a626b48c2af266b84
Diffstat (limited to 'Source/WebCore/dom/WheelEvent.cpp')
-rw-r--r-- | Source/WebCore/dom/WheelEvent.cpp | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/Source/WebCore/dom/WheelEvent.cpp b/Source/WebCore/dom/WheelEvent.cpp new file mode 100644 index 0000000..0981a57 --- /dev/null +++ b/Source/WebCore/dom/WheelEvent.cpp @@ -0,0 +1,95 @@ +/* + * 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 |