F:/KPlato/koffice/libs/kformula/BracketElement.h

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/* This file is part of the KDE project
   Copyright (C) 2001 Andrea Rizzi <rizzi@kde.org>
                      Ulrich Kuettler <ulrich.kuettler@mailbox.tu-dresden.de>
                 2006 Martin Pfeiffer <hubipete@gmx.net>

   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 BRACKETELEMENT_H
#define BRACKETELEMENT_H

#include <QPoint>
#include <QSize>
#include <QList>

#include "BasicElement.h"

namespace KFormula {

class Artwork;
class SequenceElement;


class BracketElement : public BasicElement {
public:

    enum { contentPos };

    BracketElement( BasicElement* parent = 0 );
    ~BracketElement();


    virtual TokenType getTokenType() const { return BRACKET; }

    const QList<BasicElement*> childElements();
        

    virtual void calcSizes(const ContextStyle& style,  ContextStyle::TextStyle tstyle, ContextStyle::IndexStyle istyle);

    virtual void draw( QPainter& painter, const LuPixelRect& r,
                       const ContextStyle& style,
                       ContextStyle::TextStyle tstyle,
                       ContextStyle::IndexStyle istyle,
                       const LuPixelPoint& parentOrigin );

    void readMathML( const QDomElement& element );
    
    void writeMathML( KoXmlWriter* writer, bool oasisFormat = false );

protected:
    
    //Save/load support

    virtual QString getTagName() const { return "BRACKET"; }

    virtual bool readAttributesFromDom(QDomElement element);

    virtual void writeDom(QDomElement element);

private:

     QString latexString(char);

    Artwork* left;
    Artwork* right;

    SymbolType leftType;
    SymbolType rightType;
};

} // namespace KFormula

#endif // BRACKETELEMENT_H

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