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/*
**************************************************************************
description
--------------------
copyright : (C) 2002 by Andreas Zehender
email : [email protected]
**************************************************************************
**************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
**************************************************************************/
#ifndef PMFORMULALABEL_H
#define PMFORMULALABEL_H
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <qwidget.h>
class PMPolynomExponents;
/**
* QLabel with a rich text to display a polynom for the quadric,
* cubic, quartic and polynom objects.
*/
class PMFormulaLabel : public QWidget
{
public:
/**
* Displays the exponents of the @ref PMPolynomExponents
*/
PMFormulaLabel( const PMPolynomExponents& exp, QWidget* parent, const char* name = 0 );
/**
* Displays the given exponents
*/
PMFormulaLabel( int x, int y, int z, QWidget* parent, const char* name = 0 );
/**
* Destructor
*/
~PMFormulaLabel( );
virtual QSize sizeHint( ) const;
virtual QSize minimumSizeHint( ) const;
protected:
virtual void drawContents( QPainter* p );
virtual void paintEvent( QPaintEvent* e );
virtual void fontChange( const QFont& oldFont );
private:
QFont exponentFont( ) const;
void calculateSizeHint( );
QSize m_sizeHint;
int m_exponents[3];
static QString s_xyz[3];
static QString s_digit[10];
static QString s_nullString;
};
#endif
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