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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>Qt Toolkit - qsizepolicy.h include file</title><style type="text/css"><!--h3.fn,span.fn { margin-left: 1cm; text-indent: -1cm; }a:link { color: #004faf; text-decoration: none }a:visited { color: #672967; text-decoration: none }body { background: white; color: black; }--></style></head><body bgcolor="#ffffff"><table width="100%"><tr><td><a href="index.html"><img width="100" height="100" src="qtlogo.png"alt="Home" border="0"><img width="100"height="100" src="face.png" alt="Home" border="0"></a><td valign="top"><div align="right"><img src="dochead.png" width="472" height="27"><br><a href="classes.html"><b>Classes</b></a>- <a href="annotated.html">Annotated</a>- <a href="hierarchy.html">Tree</a>- <a href="functions.html">Functions</a>- <a href="index.html">Home</a>- <a href="topicals.html"><b>Structure</b> <font face="Arial,Helvetica,Geneva,Swiss,SunSans-Regular" align="center" size=32>Qte</font></a></div></table><h1 align=center>qsizepolicy.h</h1><br clear="all">This is the verbatim text of the qsizepolicy.h include file. It isprovided only for illustration; the copyrightremains with Trolltech.<hr><pre>/****************************************************************************** $Id: qt/src/kernel/qsizepolicy.h 2.3.8 edited 2004-05-12 $**** 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_Hclass Q_EXPORT <a href="qsizepolicy.html">QSizePolicy</a>{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;};#ifndef Q_HIDE_QSIZEPOLICY_INLINEinline QSizePolicy::QSizePolicy( SizeType hor, SizeType ver, bool hfw ) : data( hor | (ver<<HSize) | (hfw ? (1<<2*HSize) : 0) ) {}#endif#endif</pre><p><address><hr><div align="center"><table width="100%" cellspacing="0" border="0"><tr><td>Copyright ⌨️ 快捷键说明
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