render_replaced.h

monqueror一个很具有参考价值的源玛

/**
 * This file is part of the HTML widget for KDE.
 *
 * Copyright (C) 1999 Lars Knoll ([e-mail])
 *
 * 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., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 *
 * $Id: render_replaced.h,v 1.2 2002/01/28 04:31:02 leon Exp $
 */
#ifndef render_replaced_h
#define render_replaced_h

#include "render_box.h"

class MGHTMLView;

namespace khtml {

class RenderReplaced : public RenderBox
{
public:
    RenderReplaced();
    virtual ~RenderReplaced() {}

    virtual const char *renderName() const { return "RenderReplaced"; }

    virtual bool isRendered() const { return true; } virtual void print( MGPainter *, int x, int y, int w, int h, int tx, int ty); virtual void printObject( MGPainter *p, int /*x*/, int /*y*/, int /*w*/, int /*h*/, int tx, int ty)
    {
        printReplaced(p, tx, ty);
    }


    /**
     * print the replaced object (or position the pixmap)
     */
    virtual void printReplaced(MGPainter *p, int _tx, int _ty) = 0;

};

class RenderWidget : /*public QObject,*/ public RenderReplaced
{
//Q_OBJECT
public:
    RenderWidget(MGHTMLView *view);
    virtual ~RenderWidget();

    virtual void setStyle(RenderStyle *style);

    virtual void printReplaced(MGPainter *p, int _tx, int _ty);

    virtual short verticalPositionHint() const;

    virtual short intrinsicWidth() const;
    virtual int intrinsicHeight() const;

    virtual void absolutePosition(int &xPos, int &yPos, bool f = false);

    virtual bool isWidget() const { return true; };

    virtual void focus();
    virtual void blur();

	virtual bool isFrame() const { return false; };
	/*
public slots:
    void slotWidgetDestructed();
	*/
 

protected:
    void setQWidget(MGWidget *widget, bool show = true);
    MGHTMLView *m_view;
    bool deleted;
public:
    MGWidget *m_widget;
};

};

#endif