385 lines
8.5 KiB
C
385 lines
8.5 KiB
C
/* $NetBSD: kb_encode.c,v 1.3 1998/06/01 19:31:04 tsubai Exp $ */
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/*
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* Copyright (c) 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Sony Corp. and Kazumasa Utashiro of Software Research Associates, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* from: $Hdr: kb_encode.c,v 4.300 91/06/09 06:14:51 root Rel41 $ SONY
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*
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* @(#)kb_encode.c 8.1 (Berkeley) 6/10/93
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/types.h>
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#include <sys/ioctl.h>
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#include <machine/keyboard.h>
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#include <newsmips/dev/kbreg.h>
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#include <sys/malloc.h>
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#define KM_ASCII 0 /* XXX */
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#define KM_JIS 1
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#define KM_EUC 2
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extern int tmode;
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extern int country;
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extern Pfk_table pfk_table[];
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extern Pfk_table pfk_init[];
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extern Key_table *key_table_addr;
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int kbd_status;
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int shifttype;
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extern int iscaps;
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extern int put_code();
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static int kbd_shift(), kbd_pfunc(), kbd_normal(), put_kana();
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/*
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* kbd_encode(c)
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* int c; keyboard address code
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*
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* kbd_encode() converts keyboard address code to character code.
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* kbd_encode() calls back machine dependent function
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*
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* put_code(buf, cnt)
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* char *buf; encoded characters
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* int cnt; character count
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*
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* to store encoded data.
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*/
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int
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kbd_encode(c)
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register int c;
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{
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register Key_table *kp;
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register int c_mask;
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c_mask = c & 0x7f;
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c &= 0xff;
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if (c_mask > N_KEY)
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return (0);
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kp = &key_table_addr[c_mask];
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if (c & OFF)
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kp->key_flags &= ~KEY_PRESS;
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else if ((kp->key_flags & KEY_PRESS) &&
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((kbd_status & KBD_NOTREPT) || (kp->key_flags & NOT_REPT)))
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return (0);
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else
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kp->key_flags |= KEY_PRESS;
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if (kp->key_flags & (PSH_SHFT|SW_SHFT)) {
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kbd_shift(c);
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return (0);
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}
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if ((kp->key_flags & ALT_FUNC) && (kbd_status & KBD_ALT) ||
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(kp->key_flags & PRG_FUNC))
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return (kbd_pfunc(c));
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return (kbd_normal(c));
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}
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#define KFLAGSW(a, b) ((a) ? (kbd_status |= (b)) : (kbd_status &= ~(b)))
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#define LOCKTYPE(a, b) (shifttype = ((a) ? (a) : (b)))
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static int
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kbd_shift(c)
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register int c;
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{
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register Key_table *kp = &key_table_addr[c & 0x7f];
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register int push = (c & OFF) == 0;
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switch (kp->normal_code) {
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case S_CTRL:
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KFLAGSW(push, KBD_CTRL);
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break;
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case S_RSHFT:
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KFLAGSW(push, KBD_RSHIFT);
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break;
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case S_LSHFT:
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KFLAGSW(push, KBD_LSHIFT);
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break;
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case S_ALT:
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KFLAGSW(push, KBD_ALT);
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break;
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case S_CAPS:
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if (push) {
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kbd_status ^= KBD_CAPS;
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LOCKTYPE(iscaps, CAPSLOCK);
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}
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break;
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case S_AN:
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if (push) {
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kbd_status &= ~KBD_KANA;
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}
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break;
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case S_KANA:
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if (push) {
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switch (country) {
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case K_JAPANESE_J:
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kbd_status |= KBD_KANA;
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default:
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break;
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}
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}
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break;
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case S_ALTGR:
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KFLAGSW(push, KBD_ALTGR);
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break;
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default:
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break;
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}
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return (0);
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}
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static int
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kbd_pfunc(c)
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register int c;
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{
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register Pfk_table *kp;
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if (c & OFF)
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return (0);
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for (kp = pfk_table; kp < pfk_table + N_PFK; kp++) {
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if (kp->pfk_addr != c)
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continue;
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if (kbd_status & KBD_SHIFT)
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return (put_code(kp->pfk_shift.key_string,
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kp->pfk_shift.key_length));
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return (put_code(kp->pfk_normal.key_string,
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kp->pfk_normal.key_length));
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}
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return (0);
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}
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#define PUT(cond, code, len) ((cond) ? put_code(code, len) : 0)
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#define PUT_KANA(cond, code, len) ((cond) ? put_kana(code, len) : 0)
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static int
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kbd_normal(c)
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int c;
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{
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register Key_table *kp = &key_table_addr[c & 0x7f];
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if (c & OFF)
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return (0);
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if (kbd_status & KBD_ALT)
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return (PUT(kp->key_flags & A, &kp->alt_code, 1));
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if (kbd_status & KBD_CTRL)
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return (PUT(kp->key_flags & C, &kp->ctrl_code, 1));
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if (kbd_status & KBD_ALTGR)
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return (PUT(kp->key_flags & G, &kp->kana_code, 1));
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if (kbd_status & KBD_KANA) {
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if (kbd_status & KBD_SHIFT)
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return (PUT_KANA(kp->key_flags & J, &kp->kshft_code, 1));
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return (PUT_KANA(kp->key_flags & K, &kp->kana_code, 1));
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}
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if (kbd_status & KBD_CAPS) {
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if ((kbd_status & KBD_SHIFT) && (kp->key_flags & S)) {
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if (kp->key_flags & CAP_LOCK) {
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switch (shifttype) {
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case CAPSLOCK:
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return (put_code(&kp->shift_code, 1));
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case SHIFTLOCK:
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case SHIFTLOCK2:
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return (put_code(&kp->normal_code, 1));
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default:
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return (0);
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}
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}
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switch (shifttype) {
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case CAPSLOCK:
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case SHIFTLOCK:
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return (put_code(&kp->shift_code, 1));
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case SHIFTLOCK2:
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return (put_code(&kp->normal_code, 1));
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default:
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return (0);
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}
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}
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if (kp->key_flags & N) {
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if (kp->key_flags & CAP_LOCK)
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return (put_code(&kp->shift_code, 1));
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switch (shifttype) {
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case CAPSLOCK:
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case SHIFTLOCK:
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return (put_code(&kp->normal_code, 1));
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case SHIFTLOCK2:
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return (put_code(&kp->shift_code, 1));
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default:
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return (0);
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}
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}
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}
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if (kbd_status & KBD_SHIFT)
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return (PUT(kp->key_flags & S, &kp->shift_code, 1));
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return (PUT(kp->key_flags & N, &kp->normal_code, 1));
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}
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int
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kbd_string(cmd, p)
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int cmd;
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register Pfk_string *p;
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{
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register Key_string *pk;
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if (p->pfk_num < 0 || p->pfk_num >= N_PFK)
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return (0);
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switch (p->pfk_shift) {
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case PF_NORMAL:
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pk = &pfk_table[p->pfk_num].pfk_normal;
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break;
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case PF_SHIFT:
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pk = &pfk_table[p->pfk_num].pfk_shift;
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break;
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default:
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return (0);
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}
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switch (cmd) {
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case KIOCSETS:
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if (pk->key_string != NULL) {
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free(pk->key_string, M_DEVBUF);
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pk->key_string = NULL;
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pk->key_length = 0;
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}
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if (pk->key_length = p->pfk_string.key_length) {
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pk->key_string =
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(char *)malloc(p->pfk_string.key_length, M_DEVBUF, M_WAITOK);
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bcopy(p->pfk_string.key_string, pk->key_string,
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p->pfk_string.key_length);
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} else
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pk->key_string = NULL;
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bcopy(p->pfk_string.key_string, pk->key_string,
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p->pfk_string.key_length);
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pk->key_length = p->pfk_string.key_length;
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break;
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case KIOCGETS:
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p->pfk_string.key_length =
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imin(p->pfk_string.key_length, pk->key_length);
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bcopy(pk->key_string, p->pfk_string.key_string,
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p->pfk_string.key_length);
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break;
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default:
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return (0);
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}
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return (0);
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}
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void
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kbd_init()
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{
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int i;
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Pfk_string pfk_buf;
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for (i = 0; i < N_PFK; i++) {
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pfk_table[i].pfk_addr = pfk_init[i].pfk_addr;
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if (pfk_init[i].pfk_normal.key_length > 0) {
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pfk_buf.pfk_num = i;
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pfk_buf.pfk_shift = PF_NORMAL;
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pfk_buf.pfk_string = pfk_init[i].pfk_normal;
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kbd_string(KIOCSETS, &pfk_buf);
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}
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if (pfk_init[i].pfk_shift.key_length > 0) {
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pfk_buf.pfk_num = i;
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pfk_buf.pfk_shift = PF_SHIFT;
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pfk_buf.pfk_string = pfk_init[i].pfk_shift;
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kbd_string(KIOCSETS, &pfk_buf);
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}
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}
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kbd_status = 0;
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}
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int
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kbd_repeat(f)
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int f;
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{
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if (f)
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kbd_status &= ~KBD_NOTREPT;
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else
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kbd_status |= KBD_NOTREPT;
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return (0);
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}
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#define SS2 0x8e
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static int
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put_kana(s, len)
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register u_char *s;
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int len;
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{
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register int i;
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register u_char *p;
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u_char eucbuf[8];
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if (len <= 0)
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return (0);
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#ifdef KM_EUC
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if ((tmode == KM_EUC) && ((*s >= 0xa1) && (*s <= 0xdf))) {
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p = eucbuf;
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for (i = len; i > 0; i--) {
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*p++ = SS2;
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*p++ = *s++;
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}
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return (put_code(eucbuf, len * 2));
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}
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#endif /* KM_EUC */
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return (put_code(s, len));
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}
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