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It is provided only for illustration; the copyright remains with Trolltech. +<hr> +<pre> +/**************************************************************************** +** $Id: qt/qsizepolicy.h 3.3.8 edited Jan 11 14:46 $ +** +** Definition of the TQSizePolicy class +** +** Created : 980929 +** +** Copyright (C) 1998-2007 Trolltech ASA. All rights reserved. +** +** This file is part of the kernel module of the TQt 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 TQt Foundation. +** +** Please review the following information to ensure GNU General +** Public Licensing retquirements 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.TQPL +** included in the packaging of this file. Licensees holding valid TQt +** Commercial licenses may use this file in accordance with the TQt +** 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 TQSIZEPOLICY_H +#define TQSIZEPOLICY_H + +#ifndef QT_H +#include "qglobal.h" +#endif // QT_H + +// Documentation is in qabstractlayout.cpp. + +class Q_EXPORT TQSizePolicy +{ +private: + enum SizePolicy_Internal { 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 = MayGrow | ExpMask, + Expanding = MayGrow | MayShrink | ExpMask, + Ignored = ExpMask /* magic value */ }; + + enum ExpandData { NoDirection = 0, + Horizontally = 1, + Vertically = 2, +#ifndef QT_NO_COMPAT + Horizontal = Horizontally, + Vertical = Vertically, +#endif + BothDirections = Horizontally | Vertically }; + + TQSizePolicy() : data( 0 ) { } + + TQSizePolicy( SizeType hor, SizeType ver, bool hfw = FALSE ) + : data( hor | (ver<<HSize) | (hfw ? (Q_UINT32)(1<<2*HSize) : 0) ) { } + TQSizePolicy( SizeType hor, SizeType ver, uchar hors, uchar vers, bool hfw = FALSE ); + + SizeType horData() const { return (SizeType)( data & HMask ); } + SizeType verData() const { return (SizeType)( (data & VMask) >> HSize ); } + + bool mayShrinkHorizontally() const { return horData() & MayShrink || horData() == Ignored; } + bool mayShrinkVertically() const { return verData() & MayShrink || verData() == Ignored; } + bool mayGrowHorizontally() const { return horData() & MayGrow || horData() == Ignored; } + bool mayGrowVertically() const { return verData() & MayGrow || verData() == Ignored; } + + ExpandData expanding() const + { + return (ExpandData)( (int)(verData() & ExpMask ? Vertically : 0) | + (int)(horData() & ExpMask ? Horizontally : 0) ); + } + + void setHorData( SizeType d ) { data = (Q_UINT32)(data & ~HMask) | d; } + void setVerData( SizeType d ) { data = (Q_UINT32)(data & ~(HMask << HSize)) | + (d << HSize); } + + void setHeightForWidth( bool b ) { data = b ? (Q_UINT32)( data | ( 1 << 2*HSize ) ) + : (Q_UINT32)( data & ~( 1 << 2*HSize ) ); } + bool hasHeightForWidth() const { return data & ( 1 << 2*HSize ); } + + bool operator==( const TQSizePolicy& s ) const { return data == s.data; } + bool operator!=( const TQSizePolicy& s ) const { return data != s.data; } + + + uint horStretch() const { return data >> 24; } + uint verStretch() const { return (data >> 16) & 0xff; } + void setHorStretch( uchar sf ) { data = (data&0x00ffffff) | (uint(sf)<<24); } + void setVerStretch( uchar sf ) { data = (data&0xff00ffff) | (uint(sf)<<16); } + inline void transpose(); + +private: + TQSizePolicy( int i ) : data( (Q_UINT32)i ) { } + + Q_UINT32 data; +}; + +inline TQSizePolicy::TQSizePolicy( SizeType hor, SizeType ver, uchar hors, uchar vers, bool hfw ) + : data( hor | (ver<<HSize) | (hfw ? (Q_UINT32)(1<<2*HSize) : 0) ) { + setHorStretch( hors ); + setVerStretch( vers ); +} + +inline void TQSizePolicy::transpose() { + *this = TQSizePolicy( verData(), horData(), verStretch(), horStretch(), + hasHeightForWidth() ); +} + +#endif // TQSIZEPOLICY_H +</pre> +<!-- eof --> +<p><address><hr><div align=center> +<table width=100% cellspacing=0 border=0><tr> +<td>Copyright © 2007 +<a href="troll.html">Trolltech</a><td align=center><a href="trademarks.html">Trademarks</a> +<td align=right><div align=right>TQt 3.3.8</div> +</table></div></address></body> +</html> |