NetBSD/usr.bin/window/tt.h

180 lines
5.6 KiB
C

/* $NetBSD: tt.h,v 1.9 2009/04/14 08:50:06 lukem Exp $ */
/*
* Copyright (c) 1983, 1993
* The Regents of the University of California. All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Edward Wang at The University of California, Berkeley.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)tt.h 8.1 (Berkeley) 6/6/93
*/
#include <unistd.h>
#ifndef EXTERN
#define EXTERN extern
#endif
/*
* Interface structure for the terminal drivers.
*/
struct tt {
/* startup and cleanup */
void (*tt_start)(void);
void (*tt_reset)(void);
void (*tt_end)(void);
/* terminal functions */
void (*tt_move)(int, int);
void (*tt_insline)(int);
void (*tt_delline)(int);
void (*tt_inschar)(char);
void (*tt_insspace)(int);
void (*tt_delchar)(int);
void (*tt_write)(const char *, int); /* write a whole block */
void (*tt_putc)(char); /* write one character */
void (*tt_clreol)(void);
void (*tt_clreos)(void);
void (*tt_clear)(void);
void (*tt_scroll_down)(int);
void (*tt_scroll_up)(int);
void (*tt_setscroll)(int, int);/* set scrolling region */
void (*tt_setmodes)(int); /* set display modes */
void (*tt_set_token)(int, char *, int);
/* define a token */
void (*tt_put_token)(int, const char *, int);
/* refer to a defined token */
void (*tt_compress)(int); /* begin, end compression */
void (*tt_checksum)(char *, int);
/* compute checksum */
void (*tt_checkpoint)(void); /* checkpoint protocol */
int (*tt_rint)(char *, int); /* input processing */
/* internal variables */
char tt_modes; /* the current display modes */
char tt_nmodes; /* the new modes for next write */
char tt_insert; /* currently in insert mode */
int tt_row; /* cursor row */
int tt_col; /* cursor column */
int tt_scroll_top; /* top of scrolling region */
int tt_scroll_bot; /* bottom of scrolling region */
/* terminal info */
int tt_nrow; /* number of display rows */
int tt_ncol; /* number of display columns */
char tt_availmodes; /* the display modes supported */
char tt_wrap; /* has auto wrap around */
char tt_retain; /* can retain below (db flag) */
short tt_padc; /* the pad character */
int tt_ntoken; /* number of compression tokens */
int tt_token_min; /* minimun token size */
int tt_token_max; /* maximum token size */
int tt_set_token_cost; /* cost in addition to string */
int tt_put_token_cost; /* constant cost */
int tt_ack; /* checkpoint ack-nack flag */
/* the frame characters */
short *tt_frame;
/* ttflush() hook */
void (*tt_flush)(void);
};
EXTERN struct tt tt;
/*
* tt_padc is used by the compression routine.
* It is a short to allow the driver to indicate that there is no padding.
*/
#define TT_PADC_NONE 0x100
/*
* List of terminal drivers.
*/
struct tt_tab {
const char *tt_name;
int tt_len;
int (*tt_func)(void);
};
EXTERN struct tt_tab tt_tab[];
/*
* Clean interface to termcap routines.
* Too may t's.
*/
EXTERN char tt_strings[1024]; /* string buffer */
EXTERN char *tt_strp; /* pointer for it */
struct tt_str {
const char *ts_str;
int ts_n;
};
struct tt_str *tttgetstr(const char *);
struct tt_str *ttxgetstr(const char *); /* tgetstr() and expand delays */
int tt_f100(void);
int tt_generic(void);
int tt_h19(void);
int tt_h29(void);
int tt_tvi925(void);
int tt_wyse60(void);
int tt_wyse75(void);
int tt_zapple(void);
int tt_zentec(void);
void ttflush(void);
struct tt_str *tttgetstr(const char *);
int ttinit(void);
void ttpgoto(struct tt_str *, int, int, int);
void ttputs(const char *);
int ttstrcmp(struct tt_str *, struct tt_str *);
void tttgoto(struct tt_str *, int, int);
int tttputc(int);
void ttwrite(const char *, int);
int ttxputc(int);
#define tttputs(s, n) tputs((s)->ts_str, (n), tttputc)
#define ttxputs(s) ttwrite((s)->ts_str, (s)->ts_n)
/*
* Buffered output without stdio.
* These variables have different meanings from the ww_ob* variables.
* But I'm too lazy to think up different names.
*/
EXTERN char *tt_ob;
EXTERN char *tt_obp;
EXTERN char *tt_obe;
#define ttputc(c) (tt_obp < tt_obe ? (*tt_obp++ = (c)) \
: (ttflush(), *tt_obp++ = (c)))
/*
* Convenience macros for the drivers
* They require char.h
*/
#define ttctrl(c) ttputc(ctrl(c))
#define ttesc(c) (ttctrl('['), ttputc(c))