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 * $XConsortium: Tree.h,v 1.11 91/05/04 18:59:13 rws Exp $
 * Copyright 1990 Massachusetts Institute of Technology
 * Copyright 1989 Prentice Hall
 * Permission to use, copy, modify, and distribute this software for any
 * purpose and without fee is hereby granted, provided that the above
 * copyright notice appear in all copies and that both the copyright notice
 * and this permission notice appear in supporting documentation.
 * M.I.T., Prentice Hall and the authors disclaim all warranties with regard
 * to this software, including all implied warranties of merchantability and
 * fitness.  In no event shall M.I.T., Prentice Hall or the authors be liable
 * for any special, indirect or cosequential damages or any damages whatsoever
 * resulting from loss of use, data or profits, whether in an action of
 * contract, negligence or other tortious action, arising out of or in
 * connection with the use or performance of this software.
 * Authors:  Jim Fulton, MIT X Consortium,
 *           based on a version by Douglas Young, Prentice Hall
 * This widget is based on the Tree widget described on pages 397-419 of
 * Douglas Young's book "The X Window System, Programming and Applications 
 * with Xt OSF/Motif Edition."  The layout code has been rewritten to use
 * additional blank space to make the structure of the graph easier to see
 * as well as to support vertical trees.
 * 6.10.95 D.P. : Adding upper brother of tree elements

#ifndef _XbrTree_h
#define _XbrTree_h

#include <X11/Xmu/Converters.h>
#ifndef XtSpecificationRelease
#include <X11/Xfuncproto.h>

 * Tree Widget (subclass of ConstraintClass)
 * Parameters:
 *  Name                Class              Type            Default
 *  ----                -----              ----            -------
 *  autoReconfigure     AutoReconfigure    Boolean         FALSE
 *  background          Background         Pixel           XtDefaultBackground
 *  foreground          Foreground         Pixel           XtDefaultForeground
 *  gravity             Gravity            XtGravity       West
 *  hSpace              HSpace             Dimension       20
 *  lineWidth           LineWidth          Dimension       0
 *  vSpace              VSpace             Dimension       6
 * ConstraInt Resources attached to children:
 *  treeGC              TreeGC             GC              NULL
 *  treeParent          TreeParent         Widget          NULL
 *  treeBrother         TreeBrother        Widget          NULL
 *  treeChildren        TreeChildren       WidgetList      NULL

                                        /* new instance field names */
#ifndef _XtStringDefs_h_
#define XtNhSpace "hSpace"
#define XtNvSpace "vSpace"
#define XtCHSpace "HSpace"
#define XtCVSpace "VSpace"

#define XtNautoReconfigure "autoReconfigure"
#define XtNlineWidth "lineWidth"
#define XtNtreeGC "treeGC"
#define XtNtreeParent "treeParent"
#define XtNtreeBrother "treeBrother"
#define XtNtreeChildren "treeChildren"
#define XtNgravity "gravity"

                                        /* new class field names */
#define XtCAutoReconfigure "AutoReconfigure"
#define XtCLineWidth "LineWidth"
#define XtCTreeGC "TreeGC"
#define XtCTreeParent "TreeParent"
#define XtCTreeBrother "TreeBrother"
#define XtCTreeChildren "TreeChildren"
#define XtCGravity "Gravity"

#define XtRGC "GC"
                                        /* external declarations */
extern WidgetClass brTreeWidgetClass;

typedef struct _BrTreeClassRec *BrTreeWidgetClass;
typedef struct _BrTreeRec      *BrTreeWidget;


extern void XbrTreeForceLayout (
#if NeedFunctionPrototypes
    Widget /* brTree */


#endif /* _XbrTree_h */

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