oldXMenu/X10.h

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