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/*
* Copyright (C) 2004, 2006 Apple Computer, Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#import "config.h"
#import "PlatformWheelEvent.h"
#import "PlatformMouseEvent.h"
#import "Scrollbar.h"
#import "WebCoreSystemInterface.h"
namespace WebCore {
PlatformWheelEvent::PlatformWheelEvent(NSEvent* event, NSView *windowView)
: m_position(pointForEvent(event, windowView))
, m_globalPosition(globalPointForEvent(event))
, m_granularity(ScrollByPixelWheelEvent)
, m_isAccepted(false)
, m_shiftKey([event modifierFlags] & NSShiftKeyMask)
, m_ctrlKey([event modifierFlags] & NSControlKeyMask)
, m_altKey([event modifierFlags] & NSAlternateKeyMask)
, m_metaKey([event modifierFlags] & NSCommandKeyMask)
{
BOOL continuous;
wkGetWheelEventDeltas(event, &m_deltaX, &m_deltaY, &continuous);
if (continuous) {
m_wheelTicksX = m_deltaX / static_cast<float>(cScrollbarPixelsPerLineStep);
m_wheelTicksY = m_deltaY / static_cast<float>(cScrollbarPixelsPerLineStep);
} else {
m_wheelTicksX = m_deltaX;
m_wheelTicksY = m_deltaY;
m_deltaX *= static_cast<float>(cScrollbarPixelsPerLineStep);
m_deltaY *= static_cast<float>(cScrollbarPixelsPerLineStep);
}
}
} // namespace WebCore
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