1 /* 2 * This file is part of the DOM implementation for KDE. 3 * 4 * Copyright (C) 2001 Peter Kelly (pmk@post.com) 5 * Copyright (C) 2001 Tobias Anton (anton@stud.fbi.fh-darmstadt.de) 6 * Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com) 7 * Copyright (C) 2003, 2004, 2005, 2006 Apple Computer, Inc. 8 * 9 * This library is free software; you can redistribute it and/or 10 * modify it under the terms of the GNU Library General Public 11 * License as published by the Free Software Foundation; either 12 * version 2 of the License, or (at your option) any later version. 13 * 14 * This library is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 17 * Library General Public License for more details. 18 * 19 * You should have received a copy of the GNU Library General Public License 20 * along with this library; see the file COPYING.LIB. If not, write to 21 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 22 * Boston, MA 02110-1301, USA. 23 * 24 */ 25 26 #ifndef MouseRelatedEvent_h 27 #define MouseRelatedEvent_h 28 29 #include "IntPoint.h" 30 #include "UIEventWithKeyState.h" 31 32 namespace WebCore { 33 34 // Internal only: Helper class for what's common between mouse and wheel events. 35 class MouseRelatedEvent : public UIEventWithKeyState { 36 public: 37 // Note that these values are adjusted to counter the effects of zoom, so that values 38 // exposed via DOM APIs are invariant under zooming. screenX()39 int screenX() const { return m_screenX; } screenY()40 int screenY() const { return m_screenY; } clientX()41 int clientX() const { return m_clientX; } clientY()42 int clientY() const { return m_clientY; } layerX()43 int layerX() const { return m_layerX; } layerY()44 int layerY() const { return m_layerY; } offsetX()45 int offsetX() const { return m_offsetX; } offsetY()46 int offsetY() const { return m_offsetY; } isSimulated()47 bool isSimulated() const { return m_isSimulated; } 48 virtual int pageX() const; 49 virtual int pageY() const; 50 int x() const; 51 int y() const; 52 53 // Page point in "absolute" coordinates (i.e. post-zoomed, page-relative coords, 54 // usable with RenderObject::absoluteToLocal). absoluteLocation()55 IntPoint absoluteLocation() const { return m_absoluteLocation; } setAbsoluteLocation(const IntPoint & p)56 void setAbsoluteLocation(const IntPoint& p) { m_absoluteLocation = p; } 57 58 protected: 59 MouseRelatedEvent(); 60 MouseRelatedEvent(const AtomicString& type, bool canBubble, bool cancelable, PassRefPtr<AbstractView>, 61 int detail, int screenX, int screenY, int pageX, int pageY, 62 bool ctrlKey, bool altKey, bool shiftKey, bool metaKey, bool isSimulated = false); 63 64 void initCoordinates(); 65 void initCoordinates(int clientX, int clientY); 66 virtual void receivedTarget(); 67 68 void computePageLocation(); 69 70 // Expose these so MouseEvent::initMouseEvent can set them. 71 int m_screenX; 72 int m_screenY; 73 int m_clientX; 74 int m_clientY; 75 76 private: 77 int m_pageX; 78 int m_pageY; 79 int m_layerX; 80 int m_layerY; 81 int m_offsetX; 82 int m_offsetY; 83 IntPoint m_absoluteLocation; 84 bool m_isSimulated; 85 }; 86 87 } // namespace WebCore 88 89 #endif // MouseRelatedEvent_h 90