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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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Qt Toolkit - qsizepolicy.h include file
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<h1 align=center>qsizepolicy.h</h1><br clear="all">
This is the verbatim text of the qsizepolicy.h include file.  It is
provided only for illustration; the copyright
remains with Trolltech.
<hr>
<pre>
/****************************************************************************
** &#36;Id&#58; qt/src/kernel/qsizepolicy.h   2.3.2   edited 2001-01-26 $
**
** Definition of the QSizePolicy class
**
** Created : 980929
**
** Copyright (C) 1998-2000 Trolltech AS.  All rights reserved.
**
** This file is part of the kernel module of the Qt GUI Toolkit.
**
** This file may be distributed under the terms of the Q Public License
** as defined by Trolltech AS of Norway and appearing in the file
** LICENSE.QPL included in the packaging of this file.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition
** 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
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
**   information about Qt Commercial License Agreements.
** See http://www.trolltech.com/qpl/ for QPL licensing information.
** See http://www.trolltech.com/gpl/ for GPL licensing information.
**
** Contact info@trolltech.com if any conditions of this licensing are
** not clear to you.
**
**********************************************************************/

#ifndef QSIZEPOLICY_H
#define QSIZEPOLICY_H

#ifndef QT_H
#include "qglobal.h"
#endif // QT_H

class Q_EXPORT <a href="qsizepolicy.html">QSizePolicy</a>
{
private:
    enum { HSize = 6, HMask = 0x3f, VMask = HMask &lt;&lt; HSize,
           MayGrow = 1, ExpMask = 2, MayShrink = 4 };
public:
    enum SizeType { Fixed = 0,
                    Minimum = MayGrow,
                    Maximum = MayShrink,
                    Preferred = MayGrow|MayShrink ,
                    MinimumExpanding = Minimum|ExpMask,
                    Expanding = MinimumExpanding|MayShrink };

    enum ExpandData { NoDirection = 0,
                      Horizontal = 1,
                      Vertical = 2,
                      BothDirections = Horizontal | Vertical };

    QSizePolicy() { data = 0; }

    QSizePolicy( SizeType hor, SizeType ver, bool hfw = FALSE );

    SizeType horData() const { return (SizeType)( data &amp; HMask ); }
    SizeType verData() const { return (SizeType)(( data &amp; VMask ) &gt;&gt; HSize); }

    bool mayShrinkHorizontally() const { return horData() &amp; MayShrink; }
    bool mayShrinkVertically() const { return verData() &amp; MayShrink; }
    bool mayGrowHorizontally() const { return horData() &amp; MayGrow; }
    bool mayGrowVertically() const { return verData() &amp; MayGrow; }

    ExpandData expanding() const
    {
        return (ExpandData)( (int)(verData()&amp;ExpMask ? Vertical : 0)+
                             (int)(horData()&amp;ExpMask ? Horizontal : 0) );
    }

    void setHorData( SizeType d ) { data = (data &amp; ~HMask) | d; }
    void setVerData( SizeType d ) { data = (data &amp; ~(HMask&lt;&lt;HSize)) |
                                           (d&lt;&lt;HSize); }
                
    void setHeightForWidth( bool b ) { data = b ? ( data | ( 1 &lt;&lt; 2*HSize ) )
                                              : ( data &amp; ~( 1 &lt;&lt; 2*HSize ) );  }
    bool hasHeightForWidth() const { return data &amp; ( 1 &lt;&lt; 2*HSize ); }

    bool operator==( const QSizePolicy&amp; s ) const { return data == s.data; }
    bool operator!=( const QSizePolicy&amp; s ) const { return data != s.data; }

private:
    QSizePolicy( int i ): data( i ) {}

    Q_UINT16 data;
};

#if !(defined(__GNUC__) &amp;&amp; __GNUC__ == 2 &amp;&amp; __GNUC_MINOR__ == 96)
inline QSizePolicy::QSizePolicy( SizeType hor, SizeType ver, bool hfw )
        : data( hor | (ver&lt;&lt;HSize) | (hfw ? (1&lt;&lt;2*HSize) : 0) ) {}
#endif

#endif

</pre>
<p><address><hr><div align="center">
<table width="100%" cellspacing="0" border="0"><tr>
<td>Copyright  2001 Trolltech<td><a href="http://www.trolltech.com/trademarks.html">Trademarks</a>
<td align="right"><div align="right">Qt version 2.3.2</div>
</table></div></address></body></html>