// THIS IS A COPY OF THE FILE FOUND IN $TQTDIR/src/kernel. Needed to modify qsplitter

/****************************************************************************
** $Id: qlayoutengine_p.h 523435 2006-03-28 08:01:15Z mlaurent $
**
** Internal header file.
**
** Created : 981027
**
** Copyright (C) 1998-99 by Trolltech AS.  All rights reserved.
**
** This file is part of the kernel module of the TQt 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.TQPL 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 TQt Enterprise Edition or TQt Professional Edition
** 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
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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**********************************************************************/

#ifndef TQLAYOUTENGINE_P_H
#define TQLAYOUTENGINE_P_H


//
//  W A R N I N G
//  -------------
//
// This file is not part of the TQt API.  It exists for the convenience
// of qlayout.cpp, qlayoutengine.cpp, qmainwindow.cpp and qsplitter.cpp.
// This header file may change from version to version without notice,
// or even be removed.
//
// We mean it.
//
//


#ifndef TQT_NO_LAYOUT
struct QLayoutStruct
{
    void initParameters() { minimumSize = sizeHint = 0;
    maximumSize = TQWIDGETSIZE_MAX; expansive = FALSE; empty = TRUE; }
    void init() { stretch = 0; initParameters(); }
    //permanent storage:
    int stretch;
    //parameters:
    TQCOORD sizeHint;
    TQCOORD maximumSize;
    TQCOORD minimumSize;
    bool expansive;
    bool empty;
    //temporary storage:
    bool done;
    //result:
    int pos;
    int size;
};


void qGeomCalc( TQMemArray<QLayoutStruct> &chain, int start, int count, int pos,
		      int space, int spacer );



/*
  Modify total maximum (max) and total expansion (exp)
  when adding boxmax/boxexp.

  Expansive boxes win over non-expansive boxes.
*/
static inline void qMaxExpCalc( TQCOORD & max, bool &exp,
			       TQCOORD boxmax, bool boxexp )
{
    if ( exp ) {
	if ( boxexp )
	    max = TQMAX( max, boxmax );
    } else {
	if ( boxexp )
	    max = boxmax;
	else
	    max = TQMIN( max, boxmax );
    }
    exp = exp || boxexp;
}

#endif //TQT_NO_LAYOUT
#endif