xref: /freebsd/contrib/nvi/cl/cl.h (revision 41059135ce931c0f1014a999ffabc6bc470ce856)
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  *	$Id: cl.h,v 10.34 2011/08/15 20:07:32 zy Exp $
10  */
11 
12 #ifdef USE_WIDECHAR
13 #define _XOPEN_SOURCE_EXTENDED
14 #endif
15 #ifdef HAVE_NCURSES_H
16 #include <ncurses.h>
17 #else
18 #include <curses.h>
19 #endif
20 
21 typedef struct _cl_private {
22 	char	 ibuf[256];	/* Input keys. */
23 
24 	size_t	 skip;		/* Remaining keys. */
25 
26 	CONVWIN	 cw;		/* Conversion buffer. */
27 
28 	int	 eof_count;	/* EOF count. */
29 
30 	struct termios orig;	/* Original terminal values. */
31 	struct termios ex_enter;/* Terminal values to enter ex. */
32 	struct termios vi_enter;/* Terminal values to enter vi. */
33 
34 	char	*el;		/* Clear to EOL terminal string. */
35 	char	*cup;		/* Cursor movement terminal string. */
36 	char	*cuu1;		/* Cursor up terminal string. */
37 	char	*rmso, *smso;	/* Inverse video terminal strings. */
38 	char	*smcup, *rmcup;	/* Terminal start/stop strings. */
39 
40 	char	*oname;		/* Original screen window name. */
41 
42 	SCR	*focus;		/* Screen that has the "focus". */
43 
44 	int	 killersig;	/* Killer signal. */
45 #define	INDX_HUP	0
46 #define	INDX_INT	1
47 #define	INDX_TERM	2
48 #define	INDX_WINCH	3
49 #define	INDX_MAX	4	/* Original signal information. */
50 	struct sigaction oact[INDX_MAX];
51 
52 	enum {			/* Tty group write mode. */
53 	    TGW_UNKNOWN=0, TGW_SET, TGW_UNSET } tgw;
54 
55 	enum {			/* Terminal initialization strings. */
56 	    TE_SENT=0, TI_SENT } ti_te;
57 
58 #define	CL_IN_EX	0x0001	/* Currently running ex. */
59 #define	CL_LAYOUT	0x0002	/* Screen layout changed. */
60 #define	CL_RENAME	0x0004	/* X11 xterm icon/window renamed. */
61 #define	CL_RENAME_OK	0x0008	/* User wants the windows renamed. */
62 #define	CL_SCR_EX_INIT	0x0010	/* Ex screen initialized. */
63 #define	CL_SCR_VI_INIT	0x0020	/* Vi screen initialized. */
64 #define	CL_SIGHUP	0x0040	/* SIGHUP arrived. */
65 #define	CL_SIGINT	0x0080	/* SIGINT arrived. */
66 #define	CL_SIGTERM	0x0100	/* SIGTERM arrived. */
67 #define	CL_SIGWINCH	0x0200	/* SIGWINCH arrived. */
68 #define	CL_STDIN_TTY	0x0400	/* Talking to a terminal. */
69 	u_int32_t flags;
70 } CL_PRIVATE;
71 
72 #define	CLP(sp)		((CL_PRIVATE *)((sp)->gp->cl_private))
73 #define	GCLP(gp)	((CL_PRIVATE *)gp->cl_private)
74 #define	CLSP(sp)	((WINDOW *)((sp)->cl_private))
75 
76 /* Return possibilities from the keyboard read routine. */
77 typedef enum { INP_OK=0, INP_EOF, INP_ERR, INP_INTR, INP_TIMEOUT } input_t;
78 
79 /* The screen position relative to a specific window. */
80 #define	RCNO(sp, cno)	(cno)
81 #define	RLNO(sp, lno)	(lno)
82 
83 #include "extern.h"
84