1 /* 2 * Copyright (C) 2007 Ryan Leavengood <leavengood (at) gmail.com> 3 * Copyright (C) 2009 Maxime Simon <simon.maxime (at) gmail.com> 4 * Copyright (C) 2010 Stephan Amus <superstippi (at) gmx.de> 5 * 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 20 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 21 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 22 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 23 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 24 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 25 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30 #include "config.h" 31 #include "PlatformWheelEvent.h" 32 33 #include "Scrollbar.h" 34 35 #include <InterfaceDefs.h> 36 #include <Message.h> 37 #include <Point.h> 38 39 40 namespace WebCore { 41 42 PlatformWheelEvent::PlatformWheelEvent(BMessage* message) 43 : m_position(message->FindPoint("be:view_where")) 44 , m_globalPosition(message->FindPoint("screen_where")) 45 , m_deltaX(message->FindFloat("be:wheel_delta_x")) 46 , m_deltaY(message->FindFloat("be:wheel_delta_y")) 47 , m_wheelTicksX(m_deltaX) 48 , m_wheelTicksY(m_deltaY) 49 , m_granularity(ScrollByPixelWheelEvent) 50 , m_isAccepted(false) 51 { 52 m_deltaX *= -Scrollbar::pixelsPerLineStep(); 53 m_deltaY *= -Scrollbar::pixelsPerLineStep(); 54 55 int32 modifiers = message->FindInt32("modifiers"); 56 m_shiftKey = modifiers & B_SHIFT_KEY; 57 m_ctrlKey = modifiers & B_CONTROL_KEY; 58 m_altKey = modifiers & B_COMMAND_KEY; 59 m_metaKey = modifiers & B_OPTION_KEY; 60 } 61 62 } // namespace WebCore 63 64
