1 /* 2 * Copyright (C) 2007 Ryan Leavengood <leavengood (at) gmail.com> 3 * Copyright (C) 2009 Maxime Simon <simon.maxime (at) gmail.com> 4 * 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 20 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 21 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 22 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 23 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 24 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include "config.h" 30 #include "PlatformWheelEvent.h" 31 32 #include "Scrollbar.h" 33 34 #include <Message.h> 35 #include <Point.h> 36 37 38 namespace WebCore { 39 40 PlatformWheelEvent::PlatformWheelEvent(BMessage* message) 41 : m_granularity(ScrollByPixelWheelEvent) 42 , m_shiftKey(false) 43 , m_ctrlKey(false) 44 , m_altKey(false) 45 , m_metaKey(false) 46 , m_isAccepted(false) 47 { 48 m_position = IntPoint(message->FindPoint("position")); 49 m_globalPosition = IntPoint(message->FindPoint("global_position")); 50 51 m_deltaX = message->FindFloat("be:wheel_delta_x"); 52 m_deltaY = message->FindFloat("be:wheel_delta_y"); 53 54 m_wheelTicksX = m_deltaX; 55 m_wheelTicksY = m_deltaY; 56 57 m_deltaX *= -Scrollbar::pixelsPerLineStep(); 58 m_deltaY *= -Scrollbar::pixelsPerLineStep(); 59 } 60 61 } // namespace WebCore 62 63
