xref: /freebsd/contrib/nvi/cl/cl.h (revision f0a75d274af375d15b97b830966b99a02b7db911)
1 /*-
2  * Copyright (c) 1993, 1994
3  *	The Regents of the University of California.  All rights reserved.
4  * Copyright (c) 1993, 1994, 1995, 1996
5  *	Keith Bostic.  All rights reserved.
6  *
7  * See the LICENSE file for redistribution information.
8  *
9  *	@(#)cl.h	10.19 (Berkeley) 9/24/96
10  */
11 
12 typedef struct _cl_private {
13 	CHAR_T	 ibuf[256];	/* Input keys. */
14 
15 	int	 eof_count;	/* EOF count. */
16 
17 	struct termios orig;	/* Original terminal values. */
18 	struct termios ex_enter;/* Terminal values to enter ex. */
19 	struct termios vi_enter;/* Terminal values to enter vi. */
20 
21 	char	*el;		/* Clear to EOL terminal string. */
22 	char	*cup;		/* Cursor movement terminal string. */
23 	char	*cuu1;		/* Cursor up terminal string. */
24 	char	*rmso, *smso;	/* Inverse video terminal strings. */
25 	char	*smcup, *rmcup;	/* Terminal start/stop strings. */
26 
27 	int	 killersig;	/* Killer signal. */
28 #define	INDX_HUP	0
29 #define	INDX_INT	1
30 #define	INDX_TERM	2
31 #define	INDX_WINCH	3
32 #define	INDX_MAX	4	/* Original signal information. */
33 	struct sigaction oact[INDX_MAX];
34 
35 	enum {			/* Tty group write mode. */
36 	    TGW_UNKNOWN=0, TGW_SET, TGW_UNSET } tgw;
37 
38 	enum {			/* Terminal initialization strings. */
39 	    TE_SENT=0, TI_SENT } ti_te;
40 
41 #define	CL_IN_EX	0x0001	/* Currently running ex. */
42 #define	CL_RENAME	0x0002	/* X11 xterm icon/window renamed. */
43 #define	CL_RENAME_OK	0x0004	/* User wants the windows renamed. */
44 #define	CL_SCR_EX_INIT	0x0008	/* Ex screen initialized. */
45 #define	CL_SCR_VI_INIT	0x0010	/* Vi screen initialized. */
46 #define	CL_SIGHUP	0x0020	/* SIGHUP arrived. */
47 #define	CL_SIGINT	0x0040	/* SIGINT arrived. */
48 #define	CL_SIGTERM	0x0080	/* SIGTERM arrived. */
49 #define	CL_SIGWINCH	0x0100	/* SIGWINCH arrived. */
50 #define	CL_STDIN_TTY	0x0200	/* Talking to a terminal. */
51 	u_int32_t flags;
52 } CL_PRIVATE;
53 
54 #define	CLP(sp)		((CL_PRIVATE *)((sp)->gp->cl_private))
55 #define	GCLP(gp)	((CL_PRIVATE *)gp->cl_private)
56 
57 /* Return possibilities from the keyboard read routine. */
58 typedef enum { INP_OK=0, INP_EOF, INP_ERR, INP_INTR, INP_TIMEOUT } input_t;
59 
60 /* The screen line relative to a specific window. */
61 #define	RLNO(sp, lno)	(sp)->woff + (lno)
62 
63 /* X11 xterm escape sequence to rename the icon/window. */
64 #define	XTERM_RENAME	"\033]0;%s\007"
65 
66 /*
67  * XXX
68  * Some implementations of curses.h don't define these for us.  Used for
69  * compatibility only.
70  */
71 #ifndef TRUE
72 #define	TRUE	1
73 #endif
74 #ifndef FALSE
75 #define	FALSE	0
76 #endif
77 
78 #include "cl_extern.h"
79