xref: /dragonfly/usr.bin/window/xx.h (revision f746689a)
1 /*	$NetBSD: xx.h,v 1.7 2003/08/07 11:17:47 agc Exp $	*/
2 
3 /*
4  * Copyright (c) 1989, 1993
5  *	The Regents of the University of California.  All rights reserved.
6  *
7  * This code is derived from software contributed to Berkeley by
8  * Edward Wang at The University of California, Berkeley.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  * 3. Neither the name of the University nor the names of its contributors
19  *    may be used to endorse or promote products derived from this software
20  *    without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32  * SUCH DAMAGE.
33  *
34  *	@(#)xx.h	8.1 (Berkeley) 6/6/93
35  */
36 
37 #ifndef EXTERN
38 #define EXTERN extern
39 #endif
40 
41 struct xx {
42 	enum { xc_move, xc_scroll, xc_inschar, xc_insspace, xc_delchar,
43 		xc_clear, xc_clreos, xc_clreol, xc_write } cmd;
44 	int arg0;
45 	int arg1;
46 	int arg2;
47 	int arg3;
48 	char *buf;
49 	struct xx *link;
50 };
51 
52 EXTERN struct xx *xx_head, *xx_tail;
53 EXTERN struct xx *xx_freelist;
54 
55 EXTERN char *xxbuf, *xxbufp, *xxbufe;
56 EXTERN int xxbufsize;
57 
58 #define char_sep '\0'
59 
60 struct xx *xxalloc(void);
61 void	xxclear(void);
62 void	xxclreol(int, int);
63 void	xxclreos(int, int);
64 void	xxdelchar(int, int);
65 void	xxend(void);
66 void	xxflush(int);
67 void	xxflush_scroll(struct xx *);
68 void	xxfree(struct xx *);
69 int	xxinit(void);
70 void	xxinschar(int, int, int, int);
71 void	xxinsspace(int, int);
72 void	xxmove(int, int);
73 void	xxreset(void);
74 void	xxreset1(void);
75 void	xxscroll(int, int, int);
76 void	xxstart(void);
77 void	xxwrite(int, int, char *, int, int);
78