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/*
* $XConsortium: TreeP.h,v 1.13 90/04/13 16:39:54 jim 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.
*/
#ifndef _XawTreeP_h
#define _XawTreeP_h
#include <X11/Xraw/ContainerP.h>
#include <X11/Xraw/Tree.h>
typedef struct _TreeClassPart {
int ignore;
} TreeClassPart;
typedef struct _TreeClassRec {
CoreClassPart core_class;
CompositeClassPart composite_class;
ConstraintClassPart constraint_class;
ContainerClassPart container_class;
TreeClassPart tree_class;
} TreeClassRec;
extern TreeClassRec treeClassRec;
typedef struct {
/* fields available through resources */
Dimension hpad; /* hSpace/HSpace */
Dimension vpad; /* vSpace/VSpace */
Dimension line_width; /* lineWidth/LineWidth */
Pixel foreground; /* foreground/Foreground */
XtGravity gravity; /* gravity/Gravity */
Boolean auto_reconfigure; /* autoReconfigure/AutoReconfigure */
/* private fields */
GC gc; /* used to draw lines */
Widget tree_root; /* hidden root off all children */
Dimension *largest; /* list of largest per depth */
int n_largest; /* number of elements in largest */
Dimension maxwidth, maxheight; /* for shrink wrapping */
} TreePart;
typedef struct _TreeRec {
CorePart core;
CompositePart composite;
ConstraintPart constraint;
ContainerPart container;
TreePart tree;
} TreeRec;
/*
* structure attached to all children
*/
typedef struct _TreeConstraintsPart {
/* resources */
Widget parent; /* treeParent/TreeParent */
GC gc; /* treeGC/TreeGC */
/* private data */
Widget *children;
int n_children;
int max_children;
Dimension bbsubwidth, bbsubheight; /* bounding box of sub tree */
Dimension bbwidth, bbheight; /* bounding box including node */
Position x, y;
} TreeConstraintsPart;
typedef struct _TreeConstraintsRec {
TreeConstraintsPart tree;
} TreeConstraintsRec, *TreeConstraints;
/*
* useful macros
*/
#define TREE_CONSTRAINT(w) \
((TreeConstraints)((w)->core.constraints))
#define TREE_INITIAL_DEPTH 10 /* for allocating largest array */
#define TREE_HORIZONTAL_DEFAULT_SPACING 20
#define TREE_VERTICAL_DEFAULT_SPACING 6
#endif /* _XawTreeP_h */
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