xref: /freebsd/contrib/nvi/cl/cl.h (revision dc318a4ffabcbfa23bb56a33403aad36e6de30af)
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 
10 #ifdef HAVE_NCURSESW_NCURSES_H
11 #include <ncursesw/ncurses.h>
12 #elif defined HAVE_NCURSES_H
13 #include <ncurses.h>
14 #else
15 #include <curses.h>
16 #endif
17 
18 typedef struct _cl_private {
19 	char	 ibuf[256];	/* Input keys. */
20 
21 	size_t	 skip;		/* Remaining keys. */
22 
23 	CONVWIN	 cw;		/* Conversion buffer. */
24 
25 	int	 eof_count;	/* EOF count. */
26 
27 	struct termios orig;	/* Original terminal values. */
28 	struct termios ex_enter;/* Terminal values to enter ex. */
29 	struct termios vi_enter;/* Terminal values to enter vi. */
30 
31 	char	*el;		/* Clear to EOL terminal string. */
32 	char	*cup;		/* Cursor movement terminal string. */
33 	char	*cuu1;		/* Cursor up terminal string. */
34 	char	*rmso, *smso;	/* Inverse video terminal strings. */
35 	char	*smcup, *rmcup;	/* Terminal start/stop strings. */
36 
37 	char	*oname;		/* Original screen window name. */
38 
39 	SCR	*focus;		/* Screen that has the "focus". */
40 
41 	int	 killersig;	/* Killer signal. */
42 #define	INDX_HUP	0
43 #define	INDX_INT	1
44 #define	INDX_TERM	2
45 #define	INDX_WINCH	3
46 #define	INDX_MAX	4	/* Original signal information. */
47 	struct sigaction oact[INDX_MAX];
48 
49 	enum {			/* Tty group write mode. */
50 	    TGW_UNKNOWN=0, TGW_SET, TGW_UNSET } tgw;
51 
52 	enum {			/* Terminal initialization strings. */
53 	    TE_SENT=0, TI_SENT } ti_te;
54 
55 #define	CL_IN_EX	0x0001	/* Currently running ex. */
56 #define	CL_LAYOUT	0x0002	/* Screen layout changed. */
57 #define	CL_RENAME	0x0004	/* X11 xterm icon/window renamed. */
58 #define	CL_RENAME_OK	0x0008	/* User wants the windows renamed. */
59 #define	CL_SCR_EX_INIT	0x0010	/* Ex screen initialized. */
60 #define	CL_SCR_VI_INIT	0x0020	/* Vi screen initialized. */
61 #define	CL_SIGHUP	0x0040	/* SIGHUP arrived. */
62 #define	CL_SIGINT	0x0080	/* SIGINT arrived. */
63 #define	CL_SIGTERM	0x0100	/* SIGTERM arrived. */
64 #define	CL_SIGWINCH	0x0200	/* SIGWINCH arrived. */
65 #define	CL_STDIN_TTY	0x0400	/* Talking to a terminal. */
66 	u_int32_t flags;
67 } CL_PRIVATE;
68 
69 #define	CLP(sp)		((CL_PRIVATE *)((sp)->gp->cl_private))
70 #define	GCLP(gp)	((CL_PRIVATE *)gp->cl_private)
71 #define	CLSP(sp)	((WINDOW *)((sp)->cl_private))
72 
73 /* Return possibilities from the keyboard read routine. */
74 typedef enum { INP_OK=0, INP_EOF, INP_ERR, INP_INTR, INP_TIMEOUT } input_t;
75 
76 /* The screen position relative to a specific window. */
77 #define	RCNO(sp, cno)	(cno)
78 #define	RLNO(sp, lno)	(lno)
79 
80 #include "extern.h"
81