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/****************************************************************************
** $Id: qt/src/kernel/qsizepolicy.h 2.3.1 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 QSizePolicy
{
private:
enum { HSize = 6, HMask = 0x3f, VMask = HMask << 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 & HMask ); }
SizeType verData() const { return (SizeType)(( data & VMask ) >> HSize); }
bool mayShrinkHorizontally() const { return horData() & MayShrink; }
bool mayShrinkVertically() const { return verData() & MayShrink; }
bool mayGrowHorizontally() const { return horData() & MayGrow; }
bool mayGrowVertically() const { return verData() & MayGrow; }
ExpandData expanding() const
{
return (ExpandData)( (int)(verData()&ExpMask ? Vertical : 0)+
(int)(horData()&ExpMask ? Horizontal : 0) );
}
void setHorData( SizeType d ) { data = (data & ~HMask) | d; }
void setVerData( SizeType d ) { data = (data & ~(HMask<<HSize)) |
(d<<HSize); }
void setHeightForWidth( bool b ) { data = b ? ( data | ( 1 << 2*HSize ) )
: ( data & ~( 1 << 2*HSize ) ); }
bool hasHeightForWidth() const { return data & ( 1 << 2*HSize ); }
bool operator==( const QSizePolicy& s ) const { return data == s.data; }
bool operator!=( const QSizePolicy& s ) const { return data != s.data; }
private:
QSizePolicy( int i ): data( i ) {}
Q_UINT16 data;
};
#if !(defined(__GNUC__) && __GNUC__ == 2 && __GNUC_MINOR__ == 96)
inline QSizePolicy::QSizePolicy( SizeType hor, SizeType ver, bool hfw )
: data( hor | (ver<<HSize) | (hfw ? (1<<2*HSize) : 0) ) {}
#endif
#endif
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