doublespinbox.h

/***************************************************************************
 *   Copyright (C) 2003-2004 by David Saxton                               *
 *   david@bluehaze.org                                                    *
 *                                                                         *
 *   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 DOUBLESPINBOX_H
#define DOUBLESPINBOX_H

#include <qspinbox.h>

class DoubleSpinBox : public QSpinBox
{
        Q_OBJECT
        public:
                DoubleSpinBox( double lower, double upper, double minAbs, double value, const QString & unit, QWidget * parent = 0 );
                virtual ~DoubleSpinBox();
                
                double minValue() const { return m_minValue; }
                void setMinValue( double minValue ) { m_minValue = minValue; }
                void setMinValue( int minValue ) { m_minValue = minValue; }
                double maxValue() const { return m_maxValue; }
                void setMaxValue( double maxValue ) { m_maxValue = maxValue; }
                void setMaxValue( int maxValue ) { m_maxValue = maxValue; }
                void setMinAbsValue( double minAbsValue ) { m_minAbsValue = minAbsValue; }
                double value();
                void setValue( double value );
                void setUnit( const QString & unit );
                
        public slots:
                virtual void stepUp();
                virtual void stepDown();
        
        signals:
                void valueChanged( double value );
                
        protected slots:
                void checkIfChanged();
                void setQueuedSuffix();
        
        protected:
                void updateSuffix( double value );
                double getMult();
                double getDisplayedNumber( bool * ok );
                virtual int mapTextToValue( bool * ok );
                virtual QString mapValueToText( int v );
                double roundToOneSF( double value );
                
                QString m_queuedSuffix; 
                QString m_unit;
                double m_minValue;
                double m_maxValue;
                double m_minAbsValue;
                double m_lastEmittedValue;
};

#endif

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