/**
 * Code copied from http://www.matthiaspospiech.de/blog/2009/01/03/qt-spinbox-widget-with-scientific-notation/
 */
#ifndef __QScienceSpinBox_H__
#define __QScienceSpinBox_H__

#include <QtGui/QDoubleSpinBox>
#include <QtGui/QDoubleValidator>
#include <QtGui/QLineEdit>
#include <QtCore/QVariant>
#include <QtCore/QDebug>
#include <QtCore/QString>

static bool isIntermediateValueHelper(qint64 num, qint64 minimum, qint64 maximum, qint64 *match = 0);

class QScienceSpinBox : public QDoubleSpinBox
{
Q_OBJECT
public:
    QScienceSpinBox(QWidget * parent = 0);

	int decimals() const;
	void setDecimals(int value);

    QString textFromValue ( double value ) const;
    double valueFromText ( const QString & text ) const;

private:
	int dispDecimals;
    QChar delimiter, thousand;
	QDoubleValidator * v;


private:
	void initLocalValues(QWidget *parent);
    bool isIntermediateValue(const QString &str) const;
    QVariant validateAndInterpret(QString &input, int &pos, QValidator::State &state) const;
	QValidator::State validate(QString &text, int &pos) const;
	void fixup(QString &input) const;
	QString stripped(const QString &t, int *pos) const;
	double round(double value) const;
	void stepBy(int steps);

public slots:
	void stepDown();
	void stepUp();

};

#endif