tokenstyleelement.h

/* This file is part of the KDE project
   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 TOKENSTYLEELEMENT_H
#define TOKENSTYLEELEMENT_H
 
#include "kformuladefs.h"
#include "sequenceelement.h"
 
KFORMULA_NAMESPACE_BEGIN

class TokenStyleElement : public SequenceElement {
    typedef SequenceElement inherited;
public:
 
    TokenStyleElement( BasicElement* parent = 0 );
 
    virtual void calcSizes( const ContextStyle& context,
                            ContextStyle::TextStyle tstyle,
                            ContextStyle::IndexStyle istyle,
                            StyleAttributes& style );
 
    virtual void draw( TQPainter& painter, const LuPixelRect& r,
                       const ContextStyle& context,
                       ContextStyle::TextStyle tstyle,
                       ContextStyle::IndexStyle istyle,
                       StyleAttributes& style,
                       const LuPixelPoint& parentOrigin );
 
protected:
    virtual bool readAttributesFromMathMLDom( const TQDomElement &element );
    virtual void writeMathMLAttributes( TQDomElement& element ) const ;
 
    void setAbsoluteSize( double s, bool fontsize = false );
    void setRelativeSize( double s, bool fontsize = false );
    void setPixelSize( double s, bool fontsize = false );
 
    void setCharStyle( CharStyle cs ) { 
        m_charStyle = cs;
        m_customMathVariant = true; 
    }
    CharStyle charStyle() const { return m_charStyle; }
 
    void setCharFamily( CharFamily cf ) { 
        m_charFamily = cf; 
        m_customMathVariant = true;
    }
    CharFamily charFamily() const { return m_charFamily; }
 
    void setMathColor( const TQColor& c ) {
        m_mathColor = c; 
        m_customMathColor = true;
    }
    TQColor mathColor() const { return m_mathColor; }
 
    void setMathBackground( const TQColor& bg ) { 
        m_mathBackground = bg; 
        m_customMathBackground = true;
    }
    TQColor mathBackground() const { return m_mathBackground; }
 
    void setFontWeight( bool w ) { 
        m_fontWeight = w;
        m_customFontWeight = true; 
    }
    bool fontWeight() const { return m_fontWeight; }
 
    void setFontStyle( bool s ) { 
        m_fontStyle = s;
        m_customFontStyle = true;
    }
    bool fontStyle() const { return m_fontStyle; }
 
    void setFontFamily( const TQString& s ) { 
        m_fontFamily = s;
        m_customFontFamily = true;
    }
    TQString fontFamily() const { return m_fontFamily; }
 
    void setColor( const TQColor& c ) { 
        m_color = c; 
        m_customColor = true;
    }
    TQColor color() const { return m_color; }
 
    bool customMathVariant() const { return m_customMathVariant; }
    bool customMathColor() const { return m_customMathColor; }
    bool customMathBackground() const { return m_customMathBackground; }
    bool customFontWeight() const { return m_customFontWeight; }
    bool customFontStyle() const { return m_customFontStyle; }
    bool customFontFamily() const { return m_customFontFamily; }
    bool customColor() const { return m_customColor; }
 
    virtual void setStyleSize( const ContextStyle& context, StyleAttributes& style );
    virtual void setStyleVariant( StyleAttributes& style );
 
    void setStyleColor( StyleAttributes& style );
    virtual void setStyleBackground( StyleAttributes& style );
 
    virtual void resetStyle( StyleAttributes& style );
    TQString getHtmlColor( const TQString& colorStr );
 
private:
 
    double sizeFactor( const ContextStyle& context, double factor );
 
    // MathML 2.0 attributes
    SizeType m_mathSizeType;
    double m_mathSize;
    CharStyle m_charStyle;
    CharFamily m_charFamily;
    TQColor m_mathColor;
    TQColor m_mathBackground;
 
    // Deprecated MathML 1.01 attributes
    SizeType m_fontSizeType;
    double m_fontSize;
    TQString m_fontFamily;
    TQColor m_color;
    bool m_fontWeight;
    bool m_fontStyle;
 
    // MathML 2.0 attributes set ?
    bool m_customMathVariant;
    bool m_customMathColor;
    bool m_customMathBackground;
 
    // Deprecated MathML 1.01 attributes set ?
    bool m_customFontWeight;
    bool m_customFontStyle;
    bool m_customFontFamily;
    bool m_customColor;
};
 
KFORMULA_NAMESPACE_END
 
#endif // TOKENSTYLEELEMENT_H