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/*
* $Id: input.c,v 1.15 2001/07/16 22:59:01 doviende 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 <termios.h>
#include <unistd.h>
#include <fcntl.h>
#include <stdio.h>
#include <ctype.h>
#include <string.h>
#if defined(__linux__)
#include <sys/kd.h>
#endif
#include "arr.h"
#include "types.h"
#include "ktree.h"
/*
* These input routines are used for reading things from the console. They are
* unusually complicated because they need to work using both GPM and every
* single terminal type.
*/
static struct termios orig_term;
static byte_t set_term;
#if defined(__linux__)
static struct kbentry orig_kbe;
static struct kbsentry orig_kbs;
static byte_t set_kb;
#endif
int
input_init(void)
{
struct termios term;
#if defined(__linux__)
/* The keyboard remapping code works on Linux only. Everything else
* will have to do without shift-tab for now...
*/
struct kbentry kbe;
struct kbsentry kbs;
#endif
if (tcgetattr(0, &term) < 0) {
perror("Unable to get terminal attributes");
return -2;
}
memcpy(&orig_term, &term, sizeof(term));
cfmakeraw(&term);
if (tcsetattr(0, TCSANOW, &term) < 0) {
perror("Unable to set terminal attributes");
return -2;
}
else
++set_term;
#if defined(__linux__)
kbe.kb_table = orig_kbe.kb_table = 1; /* shift */
kbe.kb_index = orig_kbe.kb_index = 15; /* tab */
kbs.kb_func = orig_kbs.kb_func = (128 - 1); /* F128 (arbitrary) */
if ((ioctl(0, KDGKBENT, &orig_kbe) < 0) ||
(ioctl(0, KDGKBSENT, &orig_kbs) < 0))
return -1;
kbe.kb_value = (0x100 + 128 - 1); /* F128 */
strcpy((char *) kbs.kb_string, "\033$"); /* arbitrary */
if ((ioctl(0, KDSKBENT, &kbe) < 0) ||
(ioctl(0, KDSKBSENT, &kbs) < 0))
return -1;
else
++set_kb;
#endif
return 0;
}
int
input_reset(void)
{
#if defined(__linux__)
int r = 0;
if ((set_kb) && ((ioctl(0, KDSKBENT, &orig_kbe) < 0) ||
(ioctl(0, KDSKBSENT, &orig_kbs) < 0)))
r = -1;
if ((set_term) && (tcsetattr(0, TCSANOW, &orig_term) < 0))
r = -1;
return r;
#else
return 0;
#endif
}
arr_kqueue *
arr_key(func)
int (*func)(FILE *);
{
/* Most of the functionality that used to be in this file has been
* moved to ktree.c (where read_queue() is).
*/
return read_queue(func);
}
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