153 lines
3.8 KiB
C
153 lines
3.8 KiB
C
/* $NetBSD: keyboard.c,v 1.20 2004/11/04 07:18:47 dsl Exp $ */
|
|
|
|
/*-
|
|
* Copyright (c) 1980, 1992, 1993
|
|
* The Regents of the University of California. All rights reserved.
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
#ifndef lint
|
|
#if 0
|
|
static char sccsid[] = "@(#)keyboard.c 8.1 (Berkeley) 6/6/93";
|
|
#endif
|
|
__RCSID("$NetBSD: keyboard.c,v 1.20 2004/11/04 07:18:47 dsl Exp $");
|
|
#endif /* not lint */
|
|
|
|
#include <sys/types.h>
|
|
|
|
#include <ctype.h>
|
|
#include <signal.h>
|
|
#include <termios.h>
|
|
#include <stdlib.h>
|
|
|
|
#include "systat.h"
|
|
#include "extern.h"
|
|
|
|
void
|
|
keyboard(void)
|
|
{
|
|
int ch, rch;
|
|
char *line;
|
|
int i, linesz;
|
|
|
|
linesz = COLS - 2; /* XXX does not get updated on SIGWINCH */
|
|
if ((line = malloc(linesz)) == NULL) {
|
|
error("malloc failed");
|
|
die(0);
|
|
}
|
|
|
|
for (;;) {
|
|
col = 0;
|
|
move(CMDLINE, 0);
|
|
|
|
while (col == 0 || (ch != '\r' && ch != '\n')) {
|
|
refresh();
|
|
ch = getch();
|
|
if (ch == ERR) {
|
|
display(SIGALRM);
|
|
continue;
|
|
}
|
|
if (ch == KEY_RESIZE) {
|
|
redraw(0);
|
|
continue;
|
|
}
|
|
ch &= 0177;
|
|
rch = ch;
|
|
if (col == 0) {
|
|
switch(ch) {
|
|
case '\n':
|
|
case '\r':
|
|
case ' ':
|
|
display(0);
|
|
break;
|
|
case CTRL('l'):
|
|
wrefresh(curscr);
|
|
break;
|
|
case CTRL('g'):
|
|
status();
|
|
break;
|
|
case '?':
|
|
case 'H':
|
|
case 'h':
|
|
command("help");
|
|
move(CMDLINE, 0);
|
|
break;
|
|
case 'Q':
|
|
case 'q':
|
|
command("quit");
|
|
break;
|
|
case ':':
|
|
move(CMDLINE, 0);
|
|
clrtoeol();
|
|
addch(':');
|
|
col++;
|
|
break;
|
|
}
|
|
continue;
|
|
}
|
|
if (ch == erasechar() && col > 0) {
|
|
if (col == 1)
|
|
continue;
|
|
col--;
|
|
goto doerase;
|
|
}
|
|
if (ch == CTRL('w') && col > 0) {
|
|
while (--col >= 0 &&
|
|
isspace((unsigned char)line[col]))
|
|
continue;
|
|
col++;
|
|
while (--col >= 0 &&
|
|
!isspace((unsigned char)line[col]))
|
|
if (col == 0)
|
|
break;
|
|
col++;
|
|
goto doerase;
|
|
}
|
|
if (ch == killchar() && col > 0) {
|
|
col = 1;
|
|
doerase:
|
|
move(CMDLINE, col);
|
|
clrtoeol();
|
|
continue;
|
|
}
|
|
if (isprint(rch) || rch == ' ') {
|
|
if (col < linesz) {
|
|
line[col] = rch;
|
|
mvaddch(CMDLINE, col, rch);
|
|
col++;
|
|
}
|
|
}
|
|
}
|
|
line[col] = '\0';
|
|
/* pass commands as lowercase */
|
|
for (i = 1; i < col ; i++)
|
|
line[i] = tolower((unsigned char)line[i]);
|
|
command(line + 1);
|
|
}
|
|
/* NOTREACHED */
|
|
}
|