/* * Copyright (C) 2006 Apple Computer, Inc. All rights reserved. * Copyright (C) 2006 Michael Emmel mike.emmel@gmail.com * 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. */ #include "config.h" #include "PlatformWheelEvent.h" #include <gdk/gdk.h> namespace WebCore { PlatformWheelEvent::PlatformWheelEvent(GdkEventScroll* event) { static const float delta = 1; m_deltaX = 0; m_deltaY = 0; // Docs say an upwards scroll (away from the user) has a positive delta switch (event->direction) { case GDK_SCROLL_UP: m_deltaY = delta; break; case GDK_SCROLL_DOWN: m_deltaY = -delta; break; case GDK_SCROLL_LEFT: m_deltaX = -delta; break; case GDK_SCROLL_RIGHT: m_deltaX = delta; break; } m_position = IntPoint((int)event->x, (int)event->y); m_globalPosition = IntPoint((int)event->x_root, (int)event->y_root); m_isAccepted = false; m_shiftKey = event->state & GDK_SHIFT_MASK; m_ctrlKey = event->state & GDK_CONTROL_MASK; m_altKey = event->state & GDK_MOD1_MASK; m_metaKey = event->state & GDK_MOD2_MASK; m_isContinuous = false; } }