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195 lines
6.9 KiB
195 lines
6.9 KiB
/****************************************************************************
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**
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** Definition of the TQSizePolicy class
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**
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** Created : 980929
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**
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** Copyright (C) 1998-2008 Trolltech ASA. All rights reserved.
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**
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** This file is part of the kernel module of the TQt GUI Toolkit.
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**
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** This file may be used under the terms of the GNU General
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** Public License versions 2.0 or 3.0 as published by the Free
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** Software Foundation and appearing in the files LICENSE.GPL2
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** and LICENSE.GPL3 included in the packaging of this file.
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** Alternatively you may (at your option) use any later version
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** of the GNU General Public License if such license has been
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** publicly approved by Trolltech ASA (or its successors, if any)
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** and the KDE Free TQt Foundation.
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**
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** Please review the following information to ensure GNU General
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** Public Licensing requirements will be met:
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** http://trolltech.com/products/qt/licenses/licensing/opensource/.
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** If you are unsure which license is appropriate for your use, please
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** review the following information:
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** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
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** or contact the sales department at sales@trolltech.com.
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**
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** This file may be used under the terms of the Q Public License as
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** defined by Trolltech ASA and appearing in the file LICENSE.TQPL
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** included in the packaging of this file. Licensees holding valid TQt
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** Commercial licenses may use this file in accordance with the TQt
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** Commercial License Agreement provided with the Software.
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**
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** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
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** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
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** herein.
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**
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**********************************************************************/
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#ifndef TQSIZEPOLICY_H
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#define TQSIZEPOLICY_H
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#include "tqtglobaldefines.h"
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#ifndef TQT_H
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#include "tqglobal.h"
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#endif // TQT_H
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#ifdef USE_QT4
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#include <Qt/qsizepolicy.h>
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#endif // USE_QT4
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#ifdef USE_QT4
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class TQ_EXPORT TQSizePolicy : public QSizePolicy
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{
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public:
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typedef Policy SizeType;
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typedef Qt::Orientations ExpandData;
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enum {
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NoDirection = 0,
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Horizontally = 1,
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Vertically = 2,
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BothDirections = Horizontally | Vertically
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};
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TQSizePolicy() : QSizePolicy() {}
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TQSizePolicy( SizeType hor, SizeType ver, bool hfw = FALSE ) : QSizePolicy( hor, ver ) {
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setHorizontalPolicy(hor);
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setVerticalPolicy(ver);
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setHeightForWidth(hfw);
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}
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TQSizePolicy( SizeType hor, SizeType ver, uchar hors, uchar vers, bool hfw = FALSE ) : QSizePolicy( hor, ver )
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{
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setHorizontalPolicy(hor);
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setVerticalPolicy(ver);
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setHorizontalStretch(hors);
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setVerticalStretch(vers);
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setHeightForWidth(hfw);
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}
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inline ExpandData expanding() const { return expandingDirections(); }
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inline bool mayShrinkHorizontally() const { return horizontalPolicy() & QSizePolicy::ShrinkFlag; }
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inline bool mayShrinkVertically() const { return verticalPolicy() & QSizePolicy::ShrinkFlag; }
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inline bool mayGrowHorizontally() const { return QSizePolicy::horizontalPolicy() & QSizePolicy::GrowFlag; }
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inline bool mayGrowVertically() const { return verticalPolicy() & QSizePolicy::GrowFlag; }
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inline SizeType horData() const { return horizontalPolicy(); }
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inline SizeType verData() const { return verticalPolicy(); }
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inline void setHorData(Policy d) { setHorizontalPolicy(d); }
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inline void setVerData(Policy d) { setVerticalPolicy(d); }
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inline uint horStretch() const { return horizontalStretch(); }
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inline uint verStretch() const { return verticalStretch(); }
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inline void setHorStretch(uchar sf) { setHorizontalStretch(sf); }
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inline void setVerStretch(uchar sf) { setVerticalStretch(sf); }
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// Interoperability
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static const TQSizePolicy& convertFromQSizePolicy( QSizePolicy& qs );
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};
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// Interoperability
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inline static const TQSizePolicy& convertFromQSizePolicy( const QSizePolicy& qs ) {
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return (*static_cast<const TQSizePolicy*>(&qs));
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}
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#else // USE_QT4
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// Documentation is in qabstracttqlayout.cpp.
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class TQ_EXPORT TQSizePolicy
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{
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private:
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enum SizePolicy_Internal { HSize = 6, HMask = 0x3f, VMask = HMask << HSize,
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MayGrow = 1, ExpMask = 2, MayShrink = 4 };
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public:
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enum SizeType { Fixed = 0,
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Minimum = MayGrow,
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Maximum = MayShrink,
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Preferred = MayGrow | MayShrink,
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MinimumExpanding = MayGrow | ExpMask,
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Expanding = MayGrow | MayShrink | ExpMask,
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Ignored = ExpMask /* magic value */ };
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enum ExpandData { NoDirection = 0,
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Horizontally = 1,
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Vertically = 2,
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#ifndef TQT_NO_COMPAT
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Horizontal = Horizontally,
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Vertical = Vertically,
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#endif
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BothDirections = Horizontally | Vertically };
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TQSizePolicy() : data( 0 ) { }
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TQSizePolicy( SizeType hor, SizeType ver, bool hfw = FALSE )
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: data( hor | (ver<<HSize) | (hfw ? (TQ_UINT32)(1<<2*HSize) : 0) ) { }
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TQSizePolicy( SizeType hor, SizeType ver, uchar hors, uchar vers, bool hfw = FALSE );
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SizeType horData() const { return (SizeType)( data & HMask ); }
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SizeType verData() const { return (SizeType)( (data & VMask) >> HSize ); }
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bool mayShrinkHorizontally() const { return horData() & MayShrink || horData() == Ignored; }
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bool mayShrinkVertically() const { return verData() & MayShrink || verData() == Ignored; }
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bool mayGrowHorizontally() const { return horData() & MayGrow || horData() == Ignored; }
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bool mayGrowVertically() const { return verData() & MayGrow || verData() == Ignored; }
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ExpandData expanding() const
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{
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return (ExpandData)( (int)(verData() & ExpMask ? Vertically : 0) |
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(int)(horData() & ExpMask ? Horizontally : 0) );
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}
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void setHorData( SizeType d ) { data = (TQ_UINT32)(data & ~HMask) | d; }
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void setVerData( SizeType d ) { data = (TQ_UINT32)(data & ~(HMask << HSize)) |
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(d << HSize); }
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void setHeightForWidth( bool b ) { data = b ? (TQ_UINT32)( data | ( 1 << 2*HSize ) )
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: (TQ_UINT32)( data & ~( 1 << 2*HSize ) ); }
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bool hasHeightForWidth() const { return data & ( 1 << 2*HSize ); }
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bool operator==( const TQSizePolicy& s ) const { return data == s.data; }
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bool operator!=( const TQSizePolicy& s ) const { return data != s.data; }
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uint horStretch() const { return data >> 24; }
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uint verStretch() const { return (data >> 16) & 0xff; }
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void setHorStretch( uchar sf ) { data = (data&0x00ffffff) | (uint(sf)<<24); }
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void setVerStretch( uchar sf ) { data = (data&0xff00ffff) | (uint(sf)<<16); }
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inline void transpose();
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private:
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TQSizePolicy( int i ) : data( (TQ_UINT32)i ) { }
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TQ_UINT32 data;
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};
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inline TQSizePolicy::TQSizePolicy( SizeType hor, SizeType ver, uchar hors, uchar vers, bool hfw )
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: data( hor | (ver<<HSize) | (hfw ? (TQ_UINT32)(1<<2*HSize) : 0) ) {
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setHorStretch( hors );
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setVerStretch( vers );
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}
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inline void TQSizePolicy::transpose() {
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*this = TQSizePolicy( verData(), horData(), verStretch(), horStretch(),
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hasHeightForWidth() );
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}
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#endif // USE_QT4
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#endif // TQSIZEPOLICY_H
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