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/*
* $Id: term_iface.c,v 1.24 2000/08/28 19:05:10 terpstra Exp $
*
* libarr - a screen management toolkit
*
* Copyright (C) 2000 Stormix Technologies Inc.
*
* License: LGPL
*
* Author: Chris Bond
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <sys/types.h>
#include <sys/ioctl.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "term_iface.h"
#include "arr.h"
#include "input.h"
#include "tinfo.h"
#include "types.h"
#include "misc.h"
#include "cap_offset.h"
#include "tt_sprintf.h"
/* padding_chr is used for delays on older terminals (instead of a usleep(), or
* something like that. This is the correct behavior.).
*/
char padding_chr;
/* tparm_buf is the buffer used for writing strings from terminfo/termcap format
* to something that can be sent to the terminal. It is of arbitrary length and
* can be overflowed relatively easily if your sysadmin creates dangerous
* terminfo files. Unfortunately, dynamic memory allocation for something like
* this would be far too slow.
*/
char tparm_buf[TERM_BUFSIZE];
int
arr_init_term(term)
struct arr_term *term;
{
struct winsize ws;
char *ptr;
if (tinfo_init((ptr = getenv("TERM")) != NULL ? ptr : "dumb") < 0)
kill_tc_entry();
if (ioctl(1, TIOCGWINSZ, &ws) < 0) {
if (((term->co = tinfo_getnum(tc_entry, OFFSET_CO)) < 0) ||
((term->li = tinfo_getnum(tc_entry, OFFSET_LI)) < 0)) {
fprintf(stderr, "Warning: Using 80x25 terminal size\n");
sleep(1);
term->co = 25;
term->li = 80;
}
}
else {
term->co = ws.ws_col;
term->li = ws.ws_row;
}
if ((*tinfo_getstr(tc_entry, OFFSET_CM)) == NUL) {
--term->co;
--term->li;
}
if (tinfo_getflag(tc_entry, OFFSET_NP) == 0)
padding_chr = 0;
else
padding_chr = *tinfo_getstr(tc_entry, OFFSET_PC);
if (arr_term_acsc(term) < 0)
return -1;
return 0;
}
int
arr_term_acsc(term)
struct arr_term *term;
{
u_char *t_ptr;
if (!(term->acs_map = MALLOC(acs_map_t, sizeof_acs_default))) {
perror("Unable to allocate memory chunk");
return -1;
}
memcpy(term->acs_map, acs_default,
sizeof_acs_default * sizeof(acs_map_t));
if ((t_ptr = (u_char *)tinfo_getstr(tc_entry, OFFSET_AC))) {
for (; *t_ptr != NUL; t_ptr += 2) {
term->acs_map[*t_ptr - '+'].chr = t_ptr[1];
term->acs_map[*t_ptr - '+'].ext = 1;
}
TERM_NOTHROTTLE_WRITE(tinfo_getstr(tc_entry, OFFSET_EA));
}
if ((*tinfo_getstr(tc_entry, OFFSET_CM)) != NUL)
TERM_NOTHROTTLE_WRITE(tinfo_getstr(tc_entry, OFFSET_TI));
return 0;
}
int
arr_acs_char(chr)
byte_t chr;
{
int i;
int order_table[] = {
TC_HORZLINE,
TC_VERTLINE,
TC_LRCORNER,
TC_URCORNER,
TC_ULCORNER,
TC_LLCORNER,
TC_RTEE,
TC_LTEE,
TC_UTEE,
TC_DTEE,
TC_PLUS,
TC_RARROW,
TC_LARROW,
TC_UARROW,
TC_DARROW,
TC_BULLET,
TC_DIAMOND,
TC_DEGREE,
TC_PLUSMINUS,
TC_LESSEQUAL,
TC_MOREEQUAL,
TC_NOTEQUAL,
TC_PI,
TC_STERLING,
TC_BLOCK,
TC_CHKBOARD,
TC_SQBOARD,
TC_LANTERN,
TC_SCANL1,
TC_SCANL3,
TC_SCANL7,
TC_SCANL9
};
for (i = 0; i < sizeof(order_table) / sizeof(order_table[0]); ++i)
if (arr_scr->term.acs_map[order_table[i] - 256].chr == chr)
return order_table[i];
return 0;
}
void
term_reset(void)
{
term_buffer(tinfo_getstr(tc_entry, OFFSET_ME));
term_buffer(tinfo_getstr(tc_entry, OFFSET_CL));
term_buffer(tinfo_getstr(tc_entry, OFFSET_VE));
term_buffer(tinfo_getstr(tc_entry, OFFSET_AE));
if ((*tinfo_getstr(tc_entry, OFFSET_CM)) != NUL)
TERM_NOTHROTTLE_WRITE(tinfo_getstr(tc_entry, OFFSET_TE));
TERM_FLUSH();
}
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