xref: /netbsd-src/external/bsd/nvi/dist/cl/cl.h (revision d4ec6dff41ab454161c4fb9bf8e001fb65da42a7)
1 /*	$NetBSD: cl.h,v 1.3 2015/11/25 20:25:20 christos Exp $ */
2 /*-
3  * Copyright (c) 1993, 1994
4  *	The Regents of the University of California.  All rights reserved.
5  * Copyright (c) 1993, 1994, 1995, 1996
6  *	Keith Bostic.  All rights reserved.
7  *
8  * See the LICENSE file for redistribution information.
9  *
10  *	Id: cl.h,v 10.32 2001/08/28 11:33:40 skimo Exp  (Berkeley) Date: 2001/08/28 11:33:40
11  */
12 
13 /* Avoid clash on OSF1 */
14 #undef DB
15 
16 #ifdef USE_SLANG_CURSES
17 #include <slcurses.h>
18 #else
19 #ifdef HAVE_NCURSESW_NCURSES_H /* { */
20 #include <ncursesw/ncurses.h>
21 #else /* } { */
22 #ifdef HAVE_NCURSES_H /* { */
23 #include <ncurses.h>
24 #else /* } { */
25 #include <curses.h>
26 #include <term.h>
27 #include <termcap.h>
28 #endif /* } */
29 #endif
30 #endif
31 
32 typedef struct _cl_private {
33 	char	 ibuf[256];	/* Input keys. */
34 
35 	size_t	 skip;		/* Remaining keys. */
36 
37 	CONVWIN cw;		/* Conversion buffer. */
38 
39 	int	 eof_count;	/* EOF count. */
40 
41 	struct termios orig;	/* Original terminal values. */
42 	struct termios ex_enter;/* Terminal values to enter ex. */
43 	struct termios vi_enter;/* Terminal values to enter vi. */
44 
45 	SCREEN	*screen;	/* Curses screen. */
46 
47 	char	*el;		/* Clear to EOL terminal string. */
48 	char	*cup;		/* Cursor movement terminal string. */
49 	char	*cuu1;		/* Cursor up terminal string. */
50 	char	*rmso, *smso;	/* Inverse video terminal strings. */
51 	char	*smcup, *rmcup;	/* Terminal start/stop strings. */
52 
53 	char	*oname;		/* Original screen window name. */
54 
55 	SCR	*focus;		/* Screen that has the "focus". */
56 
57 	int	 killersig;	/* Killer signal. */
58 #define	INDX_HUP	0
59 #define	INDX_INT	1
60 #define	INDX_TERM	2
61 #define	INDX_WINCH	3
62 #define	INDX_MAX	4	/* Original signal information. */
63 	struct sigaction oact[INDX_MAX];
64 
65 	enum {			/* Tty group write mode. */
66 	    TGW_UNKNOWN=0, TGW_SET, TGW_UNSET } tgw;
67 
68 	enum {			/* Terminal initialization strings. */
69 	    TE_SENT=0, TI_SENT } ti_te;
70 
71 #define	CL_IN_EX	0x0001	/* Currently running ex. */
72 #define	CL_LAYOUT	0x0002	/* Screen layout changed. */
73 #define	CL_RENAME	0x0004	/* X11 xterm icon/window renamed. */
74 #define	CL_RENAME_OK	0x0008	/* User wants the windows renamed. */
75 #define	CL_SCR_EX_INIT	0x0010	/* Ex screen initialized. */
76 #define	CL_SCR_VI_INIT	0x0020	/* Vi screen initialized. */
77 #define	CL_SIGHUP	0x0040	/* SIGHUP arrived. */
78 #define	CL_SIGINT	0x0080	/* SIGINT arrived. */
79 #define	CL_SIGTERM	0x0100	/* SIGTERM arrived. */
80 #define	CL_SIGWINCH	0x0200	/* SIGWINCH arrived. */
81 #define	CL_STDIN_TTY	0x0400	/* Talking to a terminal. */
82 #define	CL_SETUPTERM	0x0800	/* Terminal initialized. */
83 #define	CL_CHANGE_TERM	0x1000	/* Terminal changed. */
84 	u_int32_t flags;
85 } CL_PRIVATE;
86 
87 #define	CLP(sp)		((CL_PRIVATE *)((sp)->gp->cl_private))
88 #define	GCLP(gp)	((CL_PRIVATE *)gp->cl_private)
89 #define	CLSP(sp)	((WINDOW *)((sp)->cl_private))
90 
91 /* Return possibilities from the keyboard read routine. */
92 typedef enum { INP_OK=0, INP_EOF, INP_ERR, INP_INTR, INP_TIMEOUT } input_t;
93 
94 /* The screen position relative to a specific window. */
95 /*
96 #define	RCNO(sp, cno)	(sp)->coff + (cno)
97 #define	RLNO(sp, lno)	(sp)->roff + (lno)
98 */
99 #define	RCNO(sp, cno)	(cno)
100 #define	RLNO(sp, lno)	(lno)
101 
102 /*
103  * XXX
104  * Some implementations of curses.h don't define these for us.  Used for
105  * compatibility only.
106  */
107 #ifndef TRUE
108 #define	TRUE	1
109 #endif
110 #ifndef FALSE
111 #define	FALSE	0
112 #endif
113 
114 #include "cl_extern.h"
115 
116 #ifdef USE_PERL_SETENV
117 #include "perl_api_extern.h"
118 #define cl_setenv(sp,name,val)	perl_setenv(sp,name,val)
119 #define cl_unsetenv(sp,name)	perl_setenv(sp,name,NULL)
120 #else
121 #define cl_setenv(sp,name,val)	setenv(name,val,1)
122 #define cl_unsetenv(sp,name)	unsetenv(name)
123 #endif
124