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<td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>qdatetime.h</h1>

<p>This is the verbatim text of the qdatetime.h include file. It is provided only for illustration; the copyright remains with Trolltech.
<hr>
<pre>
/*************************************************************************
** $Id: qt/qdatetime.h   3.3.8   edited Jan 11 14:38 $
**
** Definition of date and time classes
**
** Created : 940124
**
** Copyright (C) 1992-2007 Trolltech ASA.  All rights reserved.
**
** This file is part of the tools module of the Qt GUI Toolkit.
**
** This file may be used under the terms of the GNU General Public
** License versions 2.0 or 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Alternatively you may (at your option) use any
** later version of the GNU General Public License if such license has
** been publicly approved by Trolltech ASA (or its successors, if any)
** and the KDE Free Qt Foundation.
**
** Please review the following information to ensure GNU General
** Public Licensing requirements will be met:
** http://trolltech.com/products/qt/licenses/licensing/opensource/.
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
** or contact the sales department at sales@trolltech.com.
**
** This file may be used under the terms of the Q Public License as
** defined by Trolltech ASA and appearing in the file LICENSE.QPL
** included in the packaging of this file.  Licensees holding valid Qt
** Commercial licenses may use this file in accordance with the Qt
** Commercial License Agreement provided with the Software.
**
** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
** herein.
**
**********************************************************************/

#ifndef QDATETIME_H
#define QDATETIME_H

#ifndef QT_H
#include "qstring.h"
#include "qnamespace.h"
#endif // QT_H


/*****************************************************************************
  QDate class
 *****************************************************************************/

class Q_EXPORT QDate
{
public:
    QDate() { jd = 0; }
    QDate( int y, int m, int d );

    bool isNull() const { return jd == 0; }
    bool isValid() const;

    int year() const;
    int month() const;
    int day() const;
    int dayOfWeek() const;
    int dayOfYear() const;
    int daysInMonth() const;
    int daysInYear() const;
    int weekNumber( int *yearNum = 0 ) const;

#ifndef QT_NO_TEXTDATE
#ifndef QT_NO_COMPAT
    static QString monthName( int month ) { return shortMonthName( month ); }
    static QString dayName( int weekday ) { return shortDayName( weekday ); }
#endif
    static QString shortMonthName( int month );
    static QString shortDayName( int weekday );
    static QString longMonthName( int month );
    static QString longDayName( int weekday );
#endif //QT_NO_TEXTDATE
#ifndef QT_NO_TEXTSTRING
#if !defined(QT_NO_SPRINTF)
    QString toString( Qt::DateFormat f = Qt::TextDate ) const;
#endif
    QString toString( const QString&amp; format ) const;
#endif
    bool   setYMD( int y, int m, int d );

    QDate  addDays( int days )		const;
    QDate  addMonths( int months )      const;
    QDate  addYears( int years )        const;
    int	   daysTo( const QDate &amp; )	const;

    bool   operator==( const QDate &amp;d ) const { return jd == d.jd; }
    bool   operator!=( const QDate &amp;d ) const { return jd != d.jd; }
    bool   operator&lt;( const QDate &amp;d )	const { return jd &lt; d.jd; }
    bool   operator&lt;=( const QDate &amp;d ) const { return jd &lt;= d.jd; }
    bool   operator&gt;( const QDate &amp;d )	const { return jd &gt; d.jd; }
    bool   operator&gt;=( const QDate &amp;d ) const { return jd &gt;= d.jd; }

    static QDate currentDate();
    static QDate currentDate( Qt::TimeSpec );
#ifndef QT_NO_DATESTRING
    static QDate fromString( const QString&amp; s, Qt::DateFormat f = Qt::TextDate );
#endif
    static bool	 isValid( int y, int m, int d );
    static bool	 leapYear( int year );

    static uint	 gregorianToJulian( int y, int m, int d );
    static void	 julianToGregorian( uint jd, int &amp;y, int &amp;m, int &amp;d );
private:
    uint	 jd;
    friend class QDateTime;
#ifndef QT_NO_DATASTREAM
    friend Q_EXPORT QDataStream &amp;operator&lt;&lt;( QDataStream &amp;, const QDate &amp; );
    friend Q_EXPORT QDataStream &amp;operator&gt;&gt;( QDataStream &amp;, QDate &amp; );
#endif
};


/*****************************************************************************
  QTime class
 *****************************************************************************/

class Q_EXPORT QTime
{
public:
    QTime() { ds=0; }				// set null time
    QTime( int h, int m, int s=0, int ms=0 );	// set time

    bool   isNull()	 const { return ds == 0; }
    bool   isValid()	 const;			// valid time

    int	   hour()	 const;			// 0..23
    int	   minute()	 const;			// 0..59
    int	   second()	 const;			// 0..59
    int	   msec()	 const;			// 0..999
#ifndef QT_NO_DATESTRING
#ifndef QT_NO_SPRINTF
    QString toString( Qt::DateFormat f = Qt::TextDate )	 const;
#endif
    QString toString( const QString&amp; format ) const;
#endif
    bool   setHMS( int h, int m, int s, int ms=0 );

    QTime  addSecs( int secs )		const;
    int	   secsTo( const QTime &amp; )	const;
    QTime  addMSecs( int ms )		const;
    int	   msecsTo( const QTime &amp; )	const;

    bool   operator==( const QTime &amp;d ) const { return ds == d.ds; }
    bool   operator!=( const QTime &amp;d ) const { return ds != d.ds; }
    bool   operator&lt;( const QTime &amp;d )	const { return ds &lt; d.ds; }
    bool   operator&lt;=( const QTime &amp;d ) const { return ds &lt;= d.ds; }
    bool   operator&gt;( const QTime &amp;d )	const { return ds &gt; d.ds; }
    bool   operator&gt;=( const QTime &amp;d ) const { return ds &gt;= d.ds; }

    static QTime currentTime();
    static QTime currentTime( Qt::TimeSpec );
#ifndef QT_NO_DATESTRING
    static QTime fromString( const QString&amp; s, Qt::DateFormat f = Qt::TextDate );
#endif
    static bool	 isValid( int h, int m, int s, int ms=0 );

    void   start();
    int	   restart();
    int	   elapsed() const;

private:
    static bool currentTime( QTime * );
    static bool currentTime( QTime *, Qt::TimeSpec );

    uint   ds;
    friend class QDateTime;
#ifndef QT_NO_DATASTREAM
    friend Q_EXPORT QDataStream &amp;operator&lt;&lt;( QDataStream &amp;, const QTime &amp; );
    friend Q_EXPORT QDataStream &amp;operator&gt;&gt;( QDataStream &amp;, QTime &amp; );
#endif
};


/*****************************************************************************
  QDateTime class
 *****************************************************************************/

class Q_EXPORT QDateTime
{
public:
    QDateTime() {}				// set null date and null time
    QDateTime( const QDate &amp; );
    QDateTime( const QDate &amp;, const QTime &amp; );

    bool   isNull()	const		{ return d.isNull() &amp;&amp; t.isNull(); }
    bool   isValid()	const		{ return d.isValid() &amp;&amp; t.isValid(); }

    QDate  date()	const		{ return d; }
    QTime  time()	const		{ return t; }
    uint   toTime_t()	const;
    void   setDate( const QDate &amp;date ) { d = date; }
    void   setTime( const QTime &amp;time ) { t = time; }
    void   setTime_t( uint secsSince1Jan1970UTC );
    void   setTime_t( uint secsSince1Jan1970UTC, Qt::TimeSpec );
#ifndef QT_NO_DATESTRING
#ifndef QT_NO_SPRINTF
    QString toString( Qt::DateFormat f = Qt::TextDate )	const;
#endif
    QString toString( const QString&amp; format ) const;
#endif
    QDateTime addDays( int days )	const;
    QDateTime addMonths( int months )   const;
    QDateTime addYears( int years )     const;
    QDateTime addSecs( int secs )	const;
    int	   daysTo( const QDateTime &amp; )	const;
    int	   secsTo( const QDateTime &amp; )	const;

    bool   operator==( const QDateTime &amp;dt ) const;
    bool   operator!=( const QDateTime &amp;dt ) const;
    bool   operator&lt;( const QDateTime &amp;dt )  const;
    bool   operator&lt;=( const QDateTime &amp;dt ) const;
    bool   operator&gt;( const QDateTime &amp;dt )  const;
    bool   operator&gt;=( const QDateTime &amp;dt ) const;

    static QDateTime currentDateTime();
    static QDateTime currentDateTime( Qt::TimeSpec );
#ifndef QT_NO_DATESTRING
    static QDateTime fromString( const QString&amp; s, Qt::DateFormat f = Qt::TextDate );
#endif
private:
    QDate  d;
    QTime  t;
#ifndef QT_NO_DATASTREAM
    friend Q_EXPORT QDataStream &amp;operator&lt;&lt;( QDataStream &amp;, const QDateTime &amp;);
    friend Q_EXPORT QDataStream &amp;operator&gt;&gt;( QDataStream &amp;, QDateTime &amp; );
#endif
};


/*****************************************************************************
  Date and time stream functions
 *****************************************************************************/

#ifndef QT_NO_DATASTREAM
Q_EXPORT QDataStream &amp;operator&lt;&lt;( QDataStream &amp;, const QDate &amp; );
Q_EXPORT QDataStream &amp;operator&gt;&gt;( QDataStream &amp;, QDate &amp; );
Q_EXPORT QDataStream &amp;operator&lt;&lt;( QDataStream &amp;, const QTime &amp; );
Q_EXPORT QDataStream &amp;operator&gt;&gt;( QDataStream &amp;, QTime &amp; );
Q_EXPORT QDataStream &amp;operator&lt;&lt;( QDataStream &amp;, const QDateTime &amp; );
Q_EXPORT QDataStream &amp;operator&gt;&gt;( QDataStream &amp;, QDateTime &amp; );
#endif // QT_NO_DATASTREAM

#endif // QDATETIME_H

</pre>
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