Trailing whitespace deleted.
[bpt/emacs.git] / oldXMenu / X10.h
CommitLineData
e745ede7
DL
1/* $Header: /u/src/emacs/19.0/oldXMenu/RCS/X10.h,v 1.1 1992/04/11 22:10:21 jimb Exp $ */
2/*
3 * Copyright 1985, 1986, 1987 by the Massachusetts Institute of Technology
4 *
5 * Permission to use, copy, modify, and distribute this software and its
6 * documentation for any purpose and without fee is hereby granted, provided
7 * that the above copyright notice appear in all copies and that both that
8 * copyright notice and this permission notice appear in supporting
9 * documentation, and that the name of M.I.T. not be used in advertising
10 * or publicity pertaining to distribution of the software without specific,
11 * written prior permission. M.I.T. makes no representations about the
12 * suitability of this software for any purpose. It is provided "as is"
13 * without express or implied warranty.
14 *
15 * The X Window System is a Trademark of MIT.
16 *
17 */
18
19
20/*
21 * X10.h - Header definition and support file for the C subroutine
22 * interface library for V10 support routines.
23 */
24#ifndef _X10_H_
25#define _X10_H_
26
27/* Used in XDraw and XDrawFilled */
28
29typedef struct {
30 short x, y;
31 unsigned short flags;
32} Vertex;
33
34/* The meanings of the flag bits. If the bit is 1 the predicate is true */
35
36#define VertexRelative 0x0001 /* else absolute */
37#define VertexDontDraw 0x0002 /* else draw */
38#define VertexCurved 0x0004 /* else straight */
39#define VertexStartClosed 0x0008 /* else not */
40#define VertexEndClosed 0x0010 /* else not */
41/*#define VertexDrawLastPoint 0x0020 */ /* else don't */
42
43/*
44The VertexDrawLastPoint option has not been implemented in XDraw and
45XDrawFilled so it shouldn't be defined.
46*/
47
48/*
49 * XAssoc - Associations used in the XAssocTable data structure. The
50 * associations are used as circular queue entries in the association table
51 * which is contains an array of circular queues (buckets).
52 */
53typedef struct _XAssoc {
54 struct _XAssoc *next; /* Next object in this bucket. */
55 struct _XAssoc *prev; /* Previous obejct in this bucket. */
56 Display *display; /* Display which owns the id. */
57 XID x_id; /* X Window System id. */
58 char *data; /* Pointer to untyped memory. */
59} XAssoc;
60
61/*
62 * XAssocTable - X Window System id to data structure pointer association
63 * table. An XAssocTable is a hash table whose buckets are circular
64 * queues of XAssoc's. The XAssocTable is constructed from an array of
65 * XAssoc's which are the circular queue headers (bucket headers).
66 * An XAssocTable consists an XAssoc pointer that points to the first
67 * bucket in the bucket array and an integer that indicates the number
68 * of buckets in the array.
69 */
70typedef struct {
71 XAssoc *buckets; /* Pointer to first bucket in bucket array.*/
72 int size; /* Table size (number of buckets). */
73} XAssocTable;
74
75XAssocTable *XCreateAssocTable();
76char *XLookUpAssoc();
77
78#endif /* _X10_H_ */