qwt_date_scale_draw.h

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/* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************
 * Qwt Widget Library
 * Copyright (C) 1997   Josef Wilgen
 * Copyright (C) 2002   Uwe Rathmann
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the Qwt License, Version 1.0
 *****************************************************************************/

#ifndef _QWT_DATE_SCALE_DRAW_H_
#define _QWT_DATE_SCALE_DRAW_H_ 1

#include "qwt_global.h"
#include "qwt_scale_draw.h"
#include "qwt_date.h"

class QWT_EXPORT QwtDateScaleDraw: public QwtScaleDraw
{
public:
    explicit QwtDateScaleDraw( Qt::TimeSpec = Qt::LocalTime );
    virtual ~QwtDateScaleDraw();

    void setDateFormat( QwtDate::IntervalType, const QString & );
    QString dateFormat( QwtDate::IntervalType ) const;

    void setTimeSpec( Qt::TimeSpec );
    Qt::TimeSpec timeSpec() const;

    void setUtcOffset( int seconds );
    int utcOffset() const;

    void setWeek0Type( QwtDate::Week0Type );
    QwtDate::Week0Type week0Type() const;

    virtual QwtText label( double ) const;

    QDateTime toDateTime( double ) const;

protected:
    virtual QwtDate::IntervalType 
        intervalType( const QwtScaleDiv & ) const;

    virtual QString dateFormatOfDate( const QDateTime &,
        QwtDate::IntervalType ) const;

private:
    class PrivateData;
    PrivateData *d_data;
};

#endif