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      1 /*
      2 
      3 Copyright 1990, 1998  The Open Group
      4 
      5 Permission to use, copy, modify, distribute, and sell this software and its
      6 documentation for any purpose is hereby granted without fee, provided that
      7 the above copyright notice appear in all copies and that both that
      8 copyright notice and this permission notice appear in supporting
      9 documentation.
     10 
     11 The above copyright notice and this permission notice shall be included in
     12 all copies or substantial portions of the Software.
     13 
     14 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     15 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     16 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
     17 OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
     18 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
     19 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
     20 
     21 Except as contained in this notice, the name of The Open Group shall not be
     22 used in advertising or otherwise to promote the sale, use or other dealings
     23 in this Software without prior written authorization from The Open Group.
     24 
     25  * Copyright 1989 Prentice Hall
     26  *
     27  * Permission to use, copy, modify, and distribute this software for any
     28  * purpose and without fee is hereby granted, provided that the above
     29  * copyright notice appear in all copies and that both the copyright notice
     30  * and this permission notice appear in supporting documentation.
     31  *
     32  * Prentice Hall and the authors disclaim all warranties with regard
     33  * to this software, including all implied warranties of merchantability and
     34  * fitness.  In no event shall Prentice Hall or the authors be liable
     35  * for any special, indirect or cosequential damages or any damages whatsoever
     36  * resulting from loss of use, data or profits, whether in an action of
     37  * contract, negligence or other tortious action, arising out of or in
     38  * connection with the use or performance of this software.
     39  *
     40  * Authors:  Jim Fulton, MIT X Consortium,
     41  *           based on a version by Douglas Young, Prentice Hall
     42  *
     43  * This widget is based on the Tree widget described on pages 397-419 of
     44  * Douglas Young's book "The X Window System, Programming and Applications
     45  * with Xt OSF/Motif Edition."  The layout code has been rewritten to use
     46  * additional blank space to make the structure of the graph easier to see
     47  * as well as to support vertical trees.
     48  */
     49 
     50 #ifndef _XawTreeP_h
     51 #define _XawTreeP_h
     52 
     53 #include <X11/Xaw/Tree.h>
     54 
     55 typedef struct _TreeClassPart {
     56     XtPointer extension;
     57 } TreeClassPart;
     58 
     59 typedef struct _TreeClassRec {
     60     CoreClassPart core_class;
     61     CompositeClassPart composite_class;
     62     ConstraintClassPart constraint_class;
     63     TreeClassPart tree_class;
     64 } TreeClassRec;
     65 
     66 extern TreeClassRec treeClassRec;
     67 
     68 typedef struct {
     69     /* fields available through resources */
     70     Dimension hpad;			/* hSpace/HSpace */
     71     Dimension vpad;			/* vSpace/VSpace */
     72     Dimension line_width;		/* lineWidth/LineWidth */
     73     Pixel foreground;			/* foreground/Foreground */
     74     XtGravity gravity;			/* gravity/Gravity */
     75     Boolean auto_reconfigure;		/* autoReconfigure/AutoReconfigure */
     76     /* private fields */
     77     GC gc;				/* used to draw lines */
     78     Widget tree_root;			/* hidden root off all children */
     79     Dimension *largest;			/* list of largest per depth */
     80     int n_largest;			/* number of elements in largest */
     81     Dimension maxwidth, maxheight;	/* for shrink wrapping */
     82 #ifndef OLDXAW
     83     XawDisplayList *display_list;
     84     XtPointer pad[4];	/* for future use and keep binary compatibility */
     85 #endif
     86 } TreePart;
     87 
     88 
     89 typedef struct _TreeRec {
     90     CorePart core;
     91     CompositePart composite;
     92     ConstraintPart constraint;
     93     TreePart tree;
     94 }  TreeRec;
     95 
     96 
     97 /*
     98  * structure attached to all children
     99  */
    100 typedef struct _TreeConstraintsPart {
    101     /* resources */
    102     Widget parent;			/* treeParent/TreeParent */
    103     GC gc;				/* treeGC/TreeGC */
    104     /* private data */
    105     Widget *children;
    106     int n_children;
    107     int max_children;
    108     Dimension bbsubwidth, bbsubheight;	/* bounding box of sub tree */
    109     Dimension bbwidth, bbheight;	/* bounding box including node */
    110     Position x, y;
    111 #ifndef OLDXAW
    112     XtPointer pad[2];	/* leave some space for future optimizations, and
    113 			 * keep binary compatibility
    114 			 */
    115 #endif
    116 } TreeConstraintsPart;
    117 
    118 typedef struct _TreeConstraintsRec {
    119    TreeConstraintsPart tree;
    120 } TreeConstraintsRec, *TreeConstraints;
    121 
    122 
    123 /*
    124  * useful macros
    125  */
    126 
    127 #define TREE_CONSTRAINT(w) \
    128                    ((TreeConstraints)((w)->core.constraints))
    129 
    130 #define TREE_INITIAL_DEPTH 10		/* for allocating largest array */
    131 #define TREE_HORIZONTAL_DEFAULT_SPACING 20
    132 #define TREE_VERTICAL_DEFAULT_SPACING 6
    133 
    134 #endif /* _XawTreeP_h */
    135 
    136 
    137 
    138