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/***************************************************************************
* Copyright (C) 2003 by *
* Jason Kivlighn (jkivlighn@gmail.com) *
* *
* 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 FRACTIONINPUT_H
#define FRACTIONINPUT_H
#include <klineedit.h>
#include "datablocks/mixednumber.h"
class TQTimer;
/** A KLineEdit widget extended to allow input of decimals and fractions or ranges of such.
* Input is returned as a @ref MixedNumber class.
* @author Jason Kivlighn
*/
class FractionInput : public KLineEdit
{
Q_OBJECT
public:
FractionInput( TQWidget *parent = 0, MixedNumber::Format = MixedNumber::MixedNumberFormat );
~FractionInput();
void setAllowRange( bool b ){ m_allowRange = b; }
void setValue( double amount, double amount_offset );
void setValue( const MixedNumber &, double amount_offset );
void value( MixedNumber &amount, double &amount_offset ) const;
void value( double &amount, double &amount_offset ) const;
MixedNumber minValue() const;
MixedNumber maxValue() const;
MixedNumber value() const;
bool isInputValid() const;
bool isEmpty() const;
signals:
void valueChanged( const MixedNumber & );
public slots:
void validate();
private slots:
void slotStartValidateTimer();
private:
bool m_allowRange;
TQTimer *m_validateTimer;
MixedNumber::Format m_format;
};
#endif //FRACTIONINPUT_H
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