File: khtml_events.h

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/* This file is part of the KDE project
   Copyright (C) 2000 Simon Hausmann <hausmann@kde.org>

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.

   This library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public License
   along with this library; see the file COPYING.LIB.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
   Boston, MA 02110-1301, USA.
*/
#ifndef __khtml_events_h__
#define __khtml_events_h__

#include <kparts/event.h>

#include "dom/dom_node.h"
#include "dom/dom_string.h"

class QMouseEvent;
class QPainter;

namespace khtml
{

class KHTML_EXPORT MouseEvent : public KParts::Event
{
public:
    MouseEvent(const char *name, QMouseEvent *qmouseEvent, int x, int y,
               const DOM::DOMString &url, const DOM::DOMString &target,
               const DOM::Node &innerNode);
    virtual ~MouseEvent();

    QMouseEvent *qmouseEvent() const
    {
        return m_qmouseEvent;
    }
    int x() const
    {
        return m_x;
    }
    int y() const
    {
        return m_y;
    }
    int absX() const
    {
        return m_nodeAbsX;
    }
    int absY() const
    {
        return m_nodeAbsY;
    }

    DOM::DOMString url() const
    {
        return m_url;
    }
    DOM::DOMString target() const
    {
        return m_target;
    }
    DOM::Node innerNode() const
    {
        return m_innerNode;
    }

    // return the offset of innerNode
    long offset() const;

private:
    QMouseEvent *m_qmouseEvent;
    int m_x;
    int m_y;
    int m_nodeAbsX, m_nodeAbsY;
    DOM::DOMString m_url;
    DOM::DOMString m_target;
    DOM::Node m_innerNode;
    class MouseEventPrivate;
    MouseEventPrivate *d;
};

class KHTML_EXPORT MousePressEvent : public MouseEvent
{
public:
    MousePressEvent(QMouseEvent *mouseEvent, int x, int y,
                    const DOM::DOMString &url, const DOM::DOMString &target,
                    const DOM::Node &innerNode)
        : MouseEvent(s_strMousePressEvent, mouseEvent, x, y, url, target, innerNode)
    {}

    static bool test(const QEvent *event)
    {
        return KParts::Event::test(event, s_strMousePressEvent);
    }

private:
    static const char *s_strMousePressEvent;
};

class KHTML_EXPORT MouseDoubleClickEvent : public MouseEvent
{
public:
    // clickCount is 3 for a triple-click event
    MouseDoubleClickEvent(QMouseEvent *mouseEvent, int x, int y,
                          const DOM::DOMString &url, const DOM::DOMString &target,
                          const DOM::Node &innerNode, int clickCount = 2)
        : MouseEvent(s_strMouseDoubleClickEvent, mouseEvent, x, y, url, target, innerNode),
          m_clickCount(clickCount)
    {}

    static bool test(const QEvent *event)
    {
        return KParts::Event::test(event, s_strMouseDoubleClickEvent);
    }

    int clickCount() const
    {
        return m_clickCount;
    }

private:
    int m_clickCount;
    static const char *s_strMouseDoubleClickEvent;
};

class KHTML_EXPORT MouseMoveEvent : public MouseEvent
{
public:
    MouseMoveEvent(QMouseEvent *mouseEvent, int x, int y,
                   const DOM::DOMString &url, const DOM::DOMString &target,
                   const DOM::Node &innerNode)
        : MouseEvent(s_strMouseMoveEvent, mouseEvent, x, y, url, target, innerNode)
    {}

    static bool test(const QEvent *event)
    {
        return KParts::Event::test(event, s_strMouseMoveEvent);
    }

private:
    static const char *s_strMouseMoveEvent;
};

class KHTML_EXPORT MouseReleaseEvent : public MouseEvent
{
public:
    MouseReleaseEvent(QMouseEvent *mouseEvent, int x, int y,
                      const DOM::DOMString &url, const DOM::DOMString &target,
                      const DOM::Node &innerNode, long = 0)
        : MouseEvent(s_strMouseReleaseEvent, mouseEvent, x, y, url, target, innerNode)
    {}

    static bool test(const QEvent *event)
    {
        return KParts::Event::test(event, s_strMouseReleaseEvent);
    }

private:
    static const char *s_strMouseReleaseEvent;
};

class KHTML_EXPORT DrawContentsEvent : public KParts::Event
{
public:
    DrawContentsEvent(QPainter *painter, int clipx, int clipy, int clipw, int cliph);
    virtual ~DrawContentsEvent();

    QPainter *painter() const
    {
        return m_painter;
    }
    int clipx() const
    {
        return m_clipx;
    }
    int clipy() const
    {
        return m_clipy;
    }
    int clipw() const
    {
        return m_clipw;
    }
    int cliph() const
    {
        return m_cliph;
    }

    static bool test(const QEvent *event)
    {
        return KParts::Event::test(event, s_strDrawContentsEvent);
    }

private:
    QPainter *m_painter;
    int m_clipx;
    int m_clipy;
    int m_clipw;
    int m_cliph;
    class DrawContentsEventPrivate;
    DrawContentsEventPrivate *d;
    static const char *s_strDrawContentsEvent;
};

}

#endif