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130 lines
3.6 KiB
130 lines
3.6 KiB
/****************************************************************************
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**
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** Internal header file.
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**
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** Created : 981027
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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 TQLAYOUTENGINE_P_H
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#define TQLAYOUTENGINE_P_H
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#ifndef TQLAYOUT_H
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#error "Need to include ntqlayout.h before including qlayoutengine_p.h"
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#endif
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//
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// W A R N I N G
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// -------------
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//
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// This file is not part of the TQt API. It exists for the convenience
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// of qlayout.cpp, qlayoutengine.cpp, qmainwindow.cpp and qsplitter.cpp.
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// This header file may change from version to version without notice,
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// or even be removed.
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//
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// We mean it.
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//
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//
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#ifndef QT_H
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#include "ntqabstractlayout.h"
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#endif // QT_H
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#ifndef TQT_NO_LAYOUT
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struct TQLayoutStruct
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{
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inline void init( int stretchFactor = 0, int spacing = 0 ) {
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stretch = stretchFactor;
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minimumSize = sizeHint = spacing;
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maximumSize = TQLAYOUTSIZE_MAX;
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expansive = FALSE;
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empty = TRUE;
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}
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TQCOORD smartSizeHint() {
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return ( stretch > 0 ) ? minimumSize : sizeHint;
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}
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// parameters
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int stretch;
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TQCOORD sizeHint;
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TQCOORD maximumSize;
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TQCOORD minimumSize;
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bool expansive;
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bool empty;
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// temporary storage
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bool done;
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// result
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int pos;
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int size;
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};
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TQ_EXPORT void qGeomCalc( TQMemArray<TQLayoutStruct> &chain, int start, int count,
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int pos, int space, int spacer );
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TQ_EXPORT TQSize qSmartMinSize( const TQWidgetItem *i );
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TQ_EXPORT TQSize qSmartMinSize( TQWidget *w );
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TQ_EXPORT TQSize qSmartMaxSize( const TQWidgetItem *i, int align = 0 );
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TQ_EXPORT TQSize qSmartMaxSize( TQWidget *w, int align = 0 );
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/*
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Modify total maximum (max) and total expansion (exp)
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when adding boxmax/boxexp.
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Expansive boxes win over non-expansive boxes.
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*/
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static inline void qMaxExpCalc( TQCOORD & max, bool &exp,
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TQCOORD boxmax, bool boxexp )
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{
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if ( exp ) {
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if ( boxexp )
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max = TQMAX( max, boxmax );
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} else {
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if ( boxexp )
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max = boxmax;
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else
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max = TQMIN( max, boxmax );
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}
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exp = exp || boxexp;
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}
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#endif //TQT_NO_LAYOUT
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#endif
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