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1.1 ! deraadt 1: /* $NetBSD: keyboard.c,v 1.2 1995/01/20 08:51:59 jtc Exp $ */
! 2:
! 3: /*-
! 4: * Copyright (c) 1980, 1992, 1993
! 5: * The Regents of the University of California. All rights reserved.
! 6: *
! 7: * Redistribution and use in source and binary forms, with or without
! 8: * modification, are permitted provided that the following conditions
! 9: * are met:
! 10: * 1. Redistributions of source code must retain the above copyright
! 11: * notice, this list of conditions and the following disclaimer.
! 12: * 2. Redistributions in binary form must reproduce the above copyright
! 13: * notice, this list of conditions and the following disclaimer in the
! 14: * documentation and/or other materials provided with the distribution.
! 15: * 3. All advertising materials mentioning features or use of this software
! 16: * must display the following acknowledgement:
! 17: * This product includes software developed by the University of
! 18: * California, Berkeley and its contributors.
! 19: * 4. Neither the name of the University nor the names of its contributors
! 20: * may be used to endorse or promote products derived from this software
! 21: * without specific prior written permission.
! 22: *
! 23: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
! 24: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 25: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 26: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
! 27: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 28: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 29: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 30: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 31: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 32: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 33: * SUCH DAMAGE.
! 34: */
! 35:
! 36: #ifndef lint
! 37: #if 0
! 38: static char sccsid[] = "@(#)keyboard.c 8.1 (Berkeley) 6/6/93";
! 39: #endif
! 40: static char rcsid[] = "$NetBSD: keyboard.c,v 1.2 1995/01/20 08:51:59 jtc Exp $";
! 41: #endif /* not lint */
! 42:
! 43: #include <ctype.h>
! 44: #include <signal.h>
! 45: #include <termios.h>
! 46:
! 47: #include "systat.h"
! 48: #include "extern.h"
! 49:
! 50: int
! 51: keyboard()
! 52: {
! 53: char ch, line[80];
! 54: int oldmask;
! 55:
! 56: for (;;) {
! 57: col = 0;
! 58: move(CMDLINE, 0);
! 59: do {
! 60: refresh();
! 61: ch = getch() & 0177;
! 62: if (ch == 0177 && ferror(stdin)) {
! 63: clearerr(stdin);
! 64: continue;
! 65: }
! 66: if (ch >= 'A' && ch <= 'Z')
! 67: ch += 'a' - 'A';
! 68: if (col == 0) {
! 69: #define mask(s) (1 << ((s) - 1))
! 70: if (ch == CTRL('l')) {
! 71: oldmask = sigblock(mask(SIGALRM));
! 72: wrefresh(curscr);
! 73: sigsetmask(oldmask);
! 74: continue;
! 75: }
! 76: if (ch == CTRL('g')) {
! 77: oldmask = sigblock(mask(SIGALRM));
! 78: status();
! 79: sigsetmask(oldmask);
! 80: continue;
! 81: }
! 82: if (ch != ':')
! 83: continue;
! 84: move(CMDLINE, 0);
! 85: clrtoeol();
! 86: }
! 87: if (ch == erasechar() && col > 0) {
! 88: if (col == 1 && line[0] == ':')
! 89: continue;
! 90: col--;
! 91: goto doerase;
! 92: }
! 93: if (ch == CTRL('w') && col > 0) {
! 94: while (--col >= 0 && isspace(line[col]))
! 95: ;
! 96: col++;
! 97: while (--col >= 0 && !isspace(line[col]))
! 98: if (col == 0 && line[0] == ':')
! 99: break;
! 100: col++;
! 101: goto doerase;
! 102: }
! 103: if (ch == killchar() && col > 0) {
! 104: col = 0;
! 105: if (line[0] == ':')
! 106: col++;
! 107: doerase:
! 108: move(CMDLINE, col);
! 109: clrtoeol();
! 110: continue;
! 111: }
! 112: if (isprint(ch) || ch == ' ') {
! 113: line[col] = ch;
! 114: mvaddch(CMDLINE, col, ch);
! 115: col++;
! 116: }
! 117: } while (col == 0 || (ch != '\r' && ch != '\n'));
! 118: line[col] = '\0';
! 119: oldmask = sigblock(mask(SIGALRM));
! 120: command(line + 1);
! 121: sigsetmask(oldmask);
! 122: }
! 123: /*NOTREACHED*/
! 124: }