F:/KPlato/koffice/libs/kformula/SpaceElement.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>
   Copyright (C) 2006 Martin Pfeiffer <hubipete@gmx.net>
   Copyright (C) 2006 Alfredo Beaumont Sainz <alfredo.beaumont@gmail.com>

   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 SPACEELEMENT_H
#define SPACEELEMENT_H

#include "BasicElement.h"

namespace KFormula {

class SpaceElement : public BasicElement {
    enum LineBreakType {
        NoBreakType,
        AutoBreak,
        NewLineBreak,
        IndentingNewLineBreak,
        NoBreak,
        GoodBreak,
        BadBreak
    };
public:
    SpaceElement( BasicElement* parent = 0 );

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

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

    void paint( QPainter& painter ) const;
    
    void calculateSize();

    void readMathML( const QDomElement& element );

    void writeMathML( KoXmlWriter* writer, bool oasisFormat = false );

protected:
    virtual QString getTagName() const { return "SPACE"; }

    virtual void writeDom(QDomElement element);

    virtual bool readAttributesFromDom(QDomElement element);

    virtual bool readContentFromDom(QDomNode& node);
        virtual bool readAttributesFromMathMLDom(const QDomElement& element);

private:

    virtual QString getElementName() const { return "mspace"; }
    virtual void writeMathMLAttributes( QDomElement& element ) const ;

    bool m_tab;

    // MathML Attributes, Section 3.2.7.2
    SizeType m_widthType;
    double m_width;
    SizeType m_heightType;
    double m_height;
    SizeType m_depthType;
    double m_depth;
    LineBreakType m_lineBreak;
};

} // namespace KFormula

#endif // SPACEELEMENT_H

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