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      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