/* $NetBSD: tt.h,v 1.4 1997/11/21 08:36:24 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. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. 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) __P((void)); void (*tt_reset) __P((void)); void (*tt_end) __P((void)); /* terminal functions */ void (*tt_move) __P((int, int)); void (*tt_insline) __P((int)); void (*tt_delline) __P((int)); void (*tt_inschar) __P((char)); void (*tt_insspace) __P((int)); void (*tt_delchar) __P((int)); void (*tt_write) __P((char *, int)); /* write a whole block */ void (*tt_putc) __P((char)); /* write one character */ void (*tt_clreol) __P((void)); void (*tt_clreos) __P((void)); void (*tt_clear) __P((void)); void (*tt_scroll_down) __P((int)); void (*tt_scroll_up) __P((int)); void (*tt_setscroll) __P((int, int));/* set scrolling region */ void (*tt_setmodes) __P((int)); /* set display modes */ void (*tt_set_token) __P((int, char *, int)); /* define a token */ void (*tt_put_token) __P((int, char *, int)); /* refer to a defined token */ void (*tt_compress) __P((int)); /* begin, end compression */ void (*tt_checksum) __P((char *, int)); /* compute checksum */ void (*tt_checkpoint) __P((void)); /* checkpoint protocol */ int (*tt_rint) __P((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) __P((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 { char *tt_name; int tt_len; int (*tt_func) __P((void)); }; extern struct tt_tab tt_tab[11]; /* * 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 { char *ts_str; int ts_n; }; struct tt_str *tttgetstr __P((char *)); struct tt_str *ttxgetstr __P((char *)); /* tgetstr() and expand delays */ int tt_f100 __P((void)); int tt_generic __P((void)); int tt_h19 __P((void)); int tt_h29 __P((void)); int tt_tvi925 __P((void)); int tt_wyse60 __P((void)); int tt_wyse75 __P((void)); int tt_zapple __P((void)); int tt_zentec __P((void)); void ttflush __P((void)); struct tt_str *tttgetstr __P((char *)); int ttinit __P((void)); void ttpgoto __P((struct tt_str *, int, int, int)); void ttputs __P((char *)); int ttstrcmp __P((struct tt_str *, struct tt_str *)); void tttgoto __P((struct tt_str *, int, int)); void tttputc __P((int)); void ttwrite __P((char *, int)); void ttxputc __P((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))