938 lines
24 KiB
C
938 lines
24 KiB
C
/* $NetBSD: wsemul_vt100_subr.c,v 1.34 2023/08/03 22:11:41 uwe Exp $ */
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/*
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* Copyright (c) 1998
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* Matthias Drochner. All rights reserved.
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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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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: wsemul_vt100_subr.c,v 1.34 2023/08/03 22:11:41 uwe Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <dev/wscons/wsconsio.h>
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#include <dev/wscons/wsksymvar.h>
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#include <dev/wscons/wsdisplayvar.h>
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#include <dev/wscons/wsemulvar.h>
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#include <dev/wscons/vt100_base.h>
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#ifdef _KERNEL_OPT
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#include "opt_wsemul.h"
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#endif
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static int vt100_selectattribute(struct vt100base_data *,
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int, int, int, long *, long *);
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static int vt100_ansimode(struct vt100base_data *, int, int);
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static int vt100_decmode(struct vt100base_data *, int, int);
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#define VTMODE_SET 33
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#define VTMODE_RESET 44
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#define VTMODE_REPORT 55
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/*
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* scroll up within scrolling region
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*/
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void
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wsemul_vt100_scrollup(struct vt100base_data *vd, int n)
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{
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int help;
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if (n > vd->scrreg_nrows)
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n = vd->scrreg_nrows;
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help = vd->scrreg_nrows - n;
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if (help > 0) {
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(*vd->emulops->copyrows)(vd->emulcookie,
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vd->scrreg_startrow + n,
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vd->scrreg_startrow,
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help);
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if (vd->dblwid)
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memmove(&vd->dblwid[vd->scrreg_startrow],
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&vd->dblwid[vd->scrreg_startrow + n],
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help);
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}
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(*vd->emulops->eraserows)(vd->emulcookie,
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vd->scrreg_startrow + help, n,
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vd->bkgdattr);
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if (vd->dblwid)
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memset(&vd->dblwid[vd->scrreg_startrow + help], 0, n);
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CHECK_DW(vd);
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}
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/*
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* scroll down within scrolling region
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*/
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void
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wsemul_vt100_scrolldown(struct vt100base_data *vd, int n)
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{
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int help;
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if (n > vd->scrreg_nrows)
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n = vd->scrreg_nrows;
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help = vd->scrreg_nrows - n;
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if (help > 0) {
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(*vd->emulops->copyrows)(vd->emulcookie,
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vd->scrreg_startrow,
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vd->scrreg_startrow + n,
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help);
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if (vd->dblwid)
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memmove(&vd->dblwid[vd->scrreg_startrow + n],
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&vd->dblwid[vd->scrreg_startrow],
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help);
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}
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(*vd->emulops->eraserows)(vd->emulcookie,
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vd->scrreg_startrow, n,
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vd->bkgdattr);
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if (vd->dblwid)
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memset(&vd->dblwid[vd->scrreg_startrow], 0, n);
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CHECK_DW(vd);
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}
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/*
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* erase in display
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*/
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void
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wsemul_vt100_ed(struct vt100base_data *vd, int arg)
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{
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int n;
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switch (arg) {
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case 0: /* cursor to end */
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ERASECOLS(vd, vd->ccol, COLS_LEFT(vd) + 1, vd->bkgdattr);
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n = vd->nrows - vd->crow - 1;
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if (n > 0) {
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(*vd->emulops->eraserows)(vd->emulcookie,
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vd->crow + 1, n,
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vd->bkgdattr);
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if (vd->dblwid)
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memset(&vd->dblwid[vd->crow + 1], 0, n);
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}
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break;
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case 1: /* beginning to cursor */
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if (vd->crow > 0) {
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(*vd->emulops->eraserows)(vd->emulcookie,
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0, vd->crow,
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vd->bkgdattr);
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if (vd->dblwid)
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memset(&vd->dblwid[0], 0, vd->crow);
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}
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ERASECOLS(vd, 0, vd->ccol + 1, vd->bkgdattr);
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break;
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case 2: /* complete display */
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(*vd->emulops->eraserows)(vd->emulcookie,
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0, vd->nrows,
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vd->bkgdattr);
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if (vd->dblwid)
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memset(&vd->dblwid[0], 0, vd->nrows);
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break;
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default:
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#ifdef VT100_PRINTUNKNOWN
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printf("ed(%d) unknown\n", arg);
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#endif
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break;
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}
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CHECK_DW(vd);
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}
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/*
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* erase in line
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*/
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void
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wsemul_vt100_el(struct vt100base_data *vd, int arg)
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{
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switch (arg) {
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case 0: /* cursor to end */
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ERASECOLS(vd, vd->ccol, COLS_LEFT(vd) + 1, vd->bkgdattr);
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break;
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case 1: /* beginning to cursor */
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ERASECOLS(vd, 0, vd->ccol + 1, vd->bkgdattr);
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break;
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case 2: /* complete line */
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(*vd->emulops->erasecols)(vd->emulcookie, vd->crow,
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0, vd->ncols,
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vd->bkgdattr);
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break;
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default:
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#ifdef VT100_PRINTUNKNOWN
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printf("el(%d) unknown\n", arg);
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#endif
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break;
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}
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}
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/*
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* handle commands after CSI (ESC[)
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*/
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void
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wsemul_vt100_handle_csi(struct vt100base_data *vd, u_char c)
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{
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int n, m, help, flags, fgcol, bgcol;
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long attr, bkgdattr;
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#define A3(a, b, c) (((a) << 16) | ((b) << 8) | (c))
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switch (A3(vd->modif1, vd->modif2, c)) {
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case A3('>', '\0', 'c'): /* DA secondary */
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wsdisplay_emulinput(vd->cbcookie, WSEMUL_VT_ID2,
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sizeof(WSEMUL_VT_ID2) - 1);
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break;
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case A3('\0', '\0', 'J'): /* ED selective erase in display */
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case A3('?', '\0', 'J'): /* DECSED selective erase in display */
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wsemul_vt100_ed(vd, ARG(vd, 0));
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break;
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case A3('\0', '\0', 'K'): /* EL selective erase in line */
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case A3('?', '\0', 'K'): /* DECSEL selective erase in line */
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wsemul_vt100_el(vd, ARG(vd, 0));
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break;
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case A3('\0', '\0', 'h'): /* SM */
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for (n = 0; n < vd->nargs; n++)
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vt100_ansimode(vd, ARG(vd, n), VTMODE_SET);
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break;
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case A3('?', '\0', 'h'): /* DECSM */
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for (n = 0; n < vd->nargs; n++)
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vt100_decmode(vd, ARG(vd, n), VTMODE_SET);
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break;
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case A3('\0', '\0', 'l'): /* RM */
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for (n = 0; n < vd->nargs; n++)
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vt100_ansimode(vd, ARG(vd, n), VTMODE_RESET);
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break;
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case A3('?', '\0', 'l'): /* DECRM */
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for (n = 0; n < vd->nargs; n++)
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vt100_decmode(vd, ARG(vd, n), VTMODE_RESET);
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break;
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case A3('\0', '$', 'p'): /* DECRQM request mode ANSI */
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vt100_ansimode(vd, ARG(vd, 0), VTMODE_REPORT);
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break;
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case A3('?', '$', 'p'): /* DECRQM request mode DEC */
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vt100_decmode(vd, ARG(vd, 0), VTMODE_REPORT);
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break;
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case A3('\0', '\0', 'i'): /* MC printer controller mode */
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case A3('?', '\0', 'i'): /* MC printer controller mode */
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switch (ARG(vd, 0)) {
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case 0: /* print screen */
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case 1: /* print cursor line */
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case 4: /* off */
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case 5: /* on */
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#ifdef VT100_PRINTNOTIMPL
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printf("CSI%di ignored\n", ARG(vd, 0));
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#endif
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break;
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default:
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#ifdef VT100_PRINTUNKNOWN
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printf("CSI%di unknown\n", ARG(vd, 0));
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#endif
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break;
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}
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break;
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#define A2(a, b) (((a) << 8) | (b))
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#if 0 /* XXX: edp not available here */
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case A2('!', 'p'): /* DECSTR soft reset VT300 only */
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wsemul_vt100_reset(edp);
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break;
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#endif
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case A2('"', 'p'): /* DECSCL */
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switch (ARG(vd, 0)) {
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case 61: /* VT100 mode (no further arguments!) */
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break;
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case 62:
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case 63: /* VT300 mode */
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break;
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default:
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#ifdef VT100_PRINTUNKNOWN
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printf("CSI%d\"p unknown\n", ARG(vd, 0));
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#endif
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break;
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}
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switch (ARG(vd, 1)) {
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case 0:
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case 2: /* 8-bit controls */
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#ifdef VT100_PRINTNOTIMPL
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printf("CSI%d;%d\"p ignored\n", ARG(vd, 0), ARG(vd, 1));
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#endif
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break;
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case 1: /* 7-bit controls */
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break;
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default:
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#ifdef VT100_PRINTUNKNOWN
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printf("CSI%d;%d\"p unknown\n", ARG(vd, 0), ARG(vd, 1));
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#endif
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break;
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}
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break;
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case A2('"', 'q'): /* DECSCA select character attribute VT300 */
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switch (ARG(vd, 0)) {
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case 0:
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case 1: /* erasable */
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break;
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case 2: /* not erasable */
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#ifdef VT100_PRINTNOTIMPL
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printf("CSI2\"q ignored\n");
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#endif
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break;
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default:
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#ifdef VT100_PRINTUNKNOWN
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printf("CSI%d\"q unknown\n", ARG(vd, 0));
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#endif
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break;
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}
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break;
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case A2('$', 'u'): /* DECRQTSR request terminal status report */
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switch (ARG(vd, 0)) {
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case 0: /* ignored */
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break;
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case 1: /* terminal state report */
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#ifdef VT100_PRINTNOTIMPL
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printf("CSI1$u ignored\n");
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#endif
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break;
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default:
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#ifdef VT100_PRINTUNKNOWN
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printf("CSI%d$u unknown\n", ARG(vd, 0));
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#endif
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break;
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}
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break;
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case A2('$', 'w'): /* DECRQPSR request presentation status report
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(VT300 only) */
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switch (ARG(vd, 0)) {
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case 0: /* error */
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break;
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case 1: /* cursor information report */
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#ifdef VT100_PRINTNOTIMPL
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printf("CSI1$w ignored\n");
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#endif
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break;
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case 2: /* tab stop report */
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{
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int i, j, ps = 0;
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char buf[20];
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KASSERT(vd->tabs != NULL);
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wsdisplay_emulinput(vd->cbcookie, "\033P2$u", 5);
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for (i = 0; i < vd->ncols; i++)
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if (vd->tabs[i]) {
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j = snprintf(buf, sizeof(buf), "%s%d",
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(ps ? "/" : ""), i + 1);
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wsdisplay_emulinput(vd->cbcookie,
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buf, j);
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ps = 1;
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}
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}
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wsdisplay_emulinput(vd->cbcookie, "\033\\", 2);
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break;
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default:
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#ifdef VT100_PRINTUNKNOWN
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printf("CSI%d$w unknown\n", ARG(vd, 0));
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#endif
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break;
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}
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break;
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case A2('$', '}'): /* DECSASD select active status display */
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switch (ARG(vd, 0)) {
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case 0: /* main display */
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case 1: /* status line */
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#ifdef VT100_PRINTNOTIMPL
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printf("CSI%d$} ignored\n", ARG(vd, 0));
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#endif
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break;
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default:
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#ifdef VT100_PRINTUNKNOWN
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printf("CSI%d$} unknown\n", ARG(vd, 0));
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#endif
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break;
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}
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break;
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case A2('$', '~'): /* DECSSDD select status line type */
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switch (ARG(vd, 0)) {
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case 0: /* none */
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case 1: /* indicator */
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case 2: /* host-writable */
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#ifdef VT100_PRINTNOTIMPL
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printf("CSI%d$~ ignored\n", ARG(vd, 0));
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#endif
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break;
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default:
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#ifdef VT100_PRINTUNKNOWN
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printf("CSI%d$~ unknown\n", ARG(vd, 0));
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#endif
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break;
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}
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break;
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case A2('&', 'u'): /* DECRQUPSS request user preferred
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supplemental set */
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wsdisplay_emulinput(vd->cbcookie, "\033P0!u%5\033\\", 9);
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break;
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case '@': /* ICH insert character VT300 only */
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n = uimin(DEF1_ARG(vd, 0), COLS_LEFT(vd) + 1);
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help = NCOLS(vd) - (vd->ccol + n);
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if (help > 0)
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COPYCOLS(vd, vd->ccol, vd->ccol + n, help);
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ERASECOLS(vd, vd->ccol, n, vd->bkgdattr);
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break;
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case 'A': /* CUU */
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/* stop at the top scroll margin */
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m = vd->scrreg_startrow;
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if (vd->crow < m)/* but if already above the margin */
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m = 0; /* then at the screen top */
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help = vd->crow - m; /* rows above */
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vd->crow -= uimin(DEF1_ARG(vd, 0), help);
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CHECK_DW(vd);
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break;
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case 'B': /* CUD */
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/* stop at the bottom scroll margin */
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m = vd->scrreg_startrow + vd->scrreg_nrows - 1;
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if (vd->crow > m) /* but if already below the margin */
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m = vd->nrows - 1; /* then at the screen bottom */
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help = m - vd->crow; /* rows below */
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vd->crow += uimin(DEF1_ARG(vd, 0), help);
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CHECK_DW(vd);
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break;
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case 'C': /* CUF */
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vd->ccol += uimin(DEF1_ARG(vd, 0), COLS_LEFT(vd));
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break;
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case 'D': /* CUB */
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vd->ccol -= uimin(DEF1_ARG(vd, 0), vd->ccol);
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vd->flags &= ~VTFL_LASTCHAR;
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break;
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case 'G': /* CHA */
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vd->ccol = uimin(DEF1_ARG(vd, 0) - 1, vd->ncols -1);
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break;
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case 'H': /* CUP */
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case 'f': /* HVP */
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if (vd->flags & VTFL_DECOM)
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vd->crow = vd->scrreg_startrow +
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uimin(DEF1_ARG(vd, 0), vd->scrreg_nrows) - 1;
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else
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vd->crow = uimin(DEF1_ARG(vd, 0), vd->nrows) - 1;
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CHECK_DW(vd);
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vd->ccol = uimin(DEF1_ARG(vd, 1), NCOLS(vd)) - 1;
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vd->flags &= ~VTFL_LASTCHAR;
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break;
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case 'L': /* IL insert line */
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case 'M': /* DL delete line */
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/* ignored when the cursor is outside the scrolling region */
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if (vd->crow < vd->scrreg_startrow
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|| vd->scrreg_startrow + vd->scrreg_nrows <= vd->crow)
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break;
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n = uimin(DEF1_ARG(vd, 0), ROWS_BELOW(vd) + 1);
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{
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int savscrstartrow, savscrnrows;
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savscrstartrow = vd->scrreg_startrow;
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savscrnrows = vd->scrreg_nrows;
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vd->scrreg_nrows -= ROWS_ABOVE(vd);
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vd->scrreg_startrow = vd->crow;
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if (c == 'L')
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wsemul_vt100_scrolldown(vd, n);
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else
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wsemul_vt100_scrollup(vd, n);
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vd->scrreg_startrow = savscrstartrow;
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vd->scrreg_nrows = savscrnrows;
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}
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vd->ccol = 0;
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break;
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case 'P': /* DCH delete character */
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n = uimin(DEF1_ARG(vd, 0), COLS_LEFT(vd) + 1);
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help = NCOLS(vd) - (vd->ccol + n);
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if (help > 0)
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COPYCOLS(vd, vd->ccol + n, vd->ccol, help);
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ERASECOLS(vd, NCOLS(vd) - n, n, vd->bkgdattr);
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break;
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case 'S': /* SU */
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wsemul_vt100_scrollup(vd, DEF1_ARG(vd, 0));
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break;
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case 'T': /* SD */
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wsemul_vt100_scrolldown(vd, DEF1_ARG(vd, 0));
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break;
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case 'X': /* ECH erase character */
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n = uimin(DEF1_ARG(vd, 0), COLS_LEFT(vd) + 1);
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ERASECOLS(vd, vd->ccol, n, vd->bkgdattr);
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break;
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case 'Z': /* CBT */
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if (vd->ccol == 0)
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break;
|
|
for (m = 0; m < DEF1_ARG(vd, 0); m++) {
|
|
if (vd->tabs) {
|
|
for (n = vd->ccol - 1; n > 0; n--) {
|
|
if (vd->tabs[n])
|
|
break;
|
|
}
|
|
} else
|
|
n = (vd->ccol - 1) & ~7;
|
|
vd->ccol = n;
|
|
if (n == 0)
|
|
break;
|
|
}
|
|
break;
|
|
case 'c': /* DA primary */
|
|
if (ARG(vd, 0) == 0)
|
|
wsdisplay_emulinput(vd->cbcookie, WSEMUL_VT_ID1,
|
|
sizeof(WSEMUL_VT_ID1) - 1);
|
|
break;
|
|
case 'd': /* VPA */
|
|
vd->crow = uimin(DEF1_ARG(vd, 0) - 1, vd->nrows - 1);
|
|
break;
|
|
case 'g': /* TBC */
|
|
KASSERT(vd->tabs != NULL);
|
|
switch (ARG(vd, 0)) {
|
|
case 0:
|
|
vd->tabs[vd->ccol] = 0;
|
|
break;
|
|
case 3:
|
|
memset(vd->tabs, 0, vd->ncols);
|
|
break;
|
|
default:
|
|
#ifdef VT100_PRINTUNKNOWN
|
|
printf("CSI%dg unknown\n", ARG(vd, 0));
|
|
#endif
|
|
break;
|
|
}
|
|
break;
|
|
case 'm': /* SGR select graphic rendition */
|
|
flags = vd->attrflags;
|
|
fgcol = vd->fgcol;
|
|
bgcol = vd->bgcol;
|
|
for (n = 0; n < vd->nargs; n++) {
|
|
switch (ARG(vd, n)) {
|
|
case 0: /* reset */
|
|
if (n == vd->nargs - 1) {
|
|
vd->bkgdattr = vd->curattr = vd->defattr;
|
|
vd->attrflags = vd->msgattrs.default_attrs;
|
|
vd->fgcol = vd->msgattrs.default_fg;
|
|
vd->bgcol = vd->msgattrs.default_bg;
|
|
return;
|
|
}
|
|
flags = vd->msgattrs.default_attrs;
|
|
fgcol = vd->msgattrs.default_fg;
|
|
bgcol = vd->msgattrs.default_bg;
|
|
break;
|
|
case 1: /* bold */
|
|
flags |= WSATTR_HILIT;
|
|
break;
|
|
case 4: /* underline */
|
|
flags |= WSATTR_UNDERLINE;
|
|
break;
|
|
case 5: /* blink */
|
|
flags |= WSATTR_BLINK;
|
|
break;
|
|
case 7: /* reverse */
|
|
flags |= WSATTR_REVERSE;
|
|
break;
|
|
case 22: /* ~bold VT300 only */
|
|
flags &= ~WSATTR_HILIT;
|
|
break;
|
|
case 24: /* ~underline VT300 only */
|
|
flags &= ~WSATTR_UNDERLINE;
|
|
break;
|
|
case 25: /* ~blink VT300 only */
|
|
flags &= ~WSATTR_BLINK;
|
|
break;
|
|
case 27: /* ~reverse VT300 only */
|
|
flags &= ~WSATTR_REVERSE;
|
|
break;
|
|
case 30: case 31: case 32: case 33:
|
|
case 34: case 35: case 36: case 37:
|
|
/* fg color */
|
|
flags |= WSATTR_WSCOLORS;
|
|
fgcol = ARG(vd, n) - 30;
|
|
break;
|
|
case 39:
|
|
fgcol = vd->msgattrs.default_fg;
|
|
break;
|
|
case 40: case 41: case 42: case 43:
|
|
case 44: case 45: case 46: case 47:
|
|
/* bg color */
|
|
flags |= WSATTR_WSCOLORS;
|
|
bgcol = ARG(vd, n) - 40;
|
|
break;
|
|
case 49:
|
|
bgcol = vd->msgattrs.default_bg;
|
|
break;
|
|
default:
|
|
#ifdef VT100_PRINTUNKNOWN
|
|
printf("CSI%dm unknown\n", ARG(vd, n));
|
|
#endif
|
|
break;
|
|
}
|
|
}
|
|
if (vt100_selectattribute(vd, flags, fgcol, bgcol, &attr,
|
|
&bkgdattr)) {
|
|
#ifdef VT100_DEBUG
|
|
printf("error allocating attr %d/%d/%x\n",
|
|
fgcol, bgcol, flags);
|
|
#endif
|
|
} else {
|
|
vd->curattr = attr;
|
|
vd->bkgdattr = bkgdattr;
|
|
vd->attrflags = flags;
|
|
vd->fgcol = fgcol;
|
|
vd->bgcol = bgcol;
|
|
}
|
|
break;
|
|
case 't': /* terminal size and such */
|
|
switch (ARG(vd, 0)) {
|
|
case 18: { /* xterm size */
|
|
char buf[20];
|
|
|
|
n = snprintf(buf, sizeof(buf), "\033[8;%d;%dt",
|
|
vd->nrows, vd->ncols);
|
|
wsdisplay_emulinput(vd->cbcookie, buf, n);
|
|
}
|
|
break;
|
|
}
|
|
break;
|
|
case 'n': /* reports */
|
|
switch (ARG(vd, 0)) {
|
|
case 5: /* DSR operating status */
|
|
/* 0 = OK, 3 = malfunction */
|
|
wsdisplay_emulinput(vd->cbcookie, "\033[0n", 4);
|
|
break;
|
|
case 6: { /* CPR cursor position report */
|
|
char buf[20];
|
|
int row;
|
|
if (vd->flags & VTFL_DECOM)
|
|
row = ROWS_ABOVE(vd);
|
|
else
|
|
row = vd->crow;
|
|
n = snprintf(buf, sizeof(buf), "\033[%d;%dR",
|
|
row + 1, vd->ccol + 1);
|
|
wsdisplay_emulinput(vd->cbcookie, buf, n);
|
|
}
|
|
break;
|
|
case 15: /* DSR printer status */
|
|
/* 13 = no printer, 10 = ready, 11 = not ready */
|
|
wsdisplay_emulinput(vd->cbcookie, "\033[?13n", 6);
|
|
break;
|
|
case 25: /* UDK status - VT300 only */
|
|
/* 20 = locked, 21 = unlocked */
|
|
wsdisplay_emulinput(vd->cbcookie, "\033[?21n", 6);
|
|
break;
|
|
case 26: /* keyboard dialect */
|
|
/* 1 = north american , 7 = german */
|
|
wsdisplay_emulinput(vd->cbcookie, "\033[?27;1n", 8);
|
|
break;
|
|
default:
|
|
#ifdef VT100_PRINTUNKNOWN
|
|
printf("CSI%dn unknown\n", ARG(vd, 0));
|
|
#endif
|
|
break;
|
|
}
|
|
break;
|
|
case 'r': /* DECSTBM set top/bottom margins */
|
|
help = uimin(DEF1_ARG(vd, 0), vd->nrows) - 1;
|
|
n = uimin(DEFx_ARG(vd, 1, vd->nrows), vd->nrows) - help;
|
|
if (n < 2) {
|
|
/* minimal scrolling region has 2 lines */
|
|
return;
|
|
} else {
|
|
vd->scrreg_startrow = help;
|
|
vd->scrreg_nrows = n;
|
|
}
|
|
vd->crow = ((vd->flags & VTFL_DECOM) ?
|
|
vd->scrreg_startrow : 0);
|
|
vd->ccol = 0;
|
|
break;
|
|
case 'y':
|
|
switch (ARG(vd, 0)) {
|
|
case 4: /* DECTST invoke confidence test */
|
|
/* ignore */
|
|
break;
|
|
default:
|
|
#ifdef VT100_PRINTUNKNOWN
|
|
printf("CSI%dy unknown\n", ARG(vd, 0));
|
|
#endif
|
|
break;
|
|
}
|
|
break;
|
|
default:
|
|
#ifdef VT100_PRINTUNKNOWN
|
|
printf("CSI%c (%d, %d) unknown\n", c, ARG(vd, 0), ARG(vd, 1));
|
|
#endif
|
|
break;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* get an attribute from the graphics driver,
|
|
* try to find replacements if the desired appearance
|
|
* is not supported
|
|
*/
|
|
static int
|
|
vt100_selectattribute(struct vt100base_data *vd,
|
|
int flags, int fgcol, int bgcol, long *attr, long *bkgdattr)
|
|
{
|
|
int error;
|
|
|
|
if (!(vd->scrcapabilities & WSSCREEN_WSCOLORS)) {
|
|
flags &= ~WSATTR_WSCOLORS;
|
|
#ifdef VT100_DEBUG
|
|
printf("colors ignored (impossible)\n");
|
|
#endif
|
|
} else
|
|
flags |= WSATTR_WSCOLORS;
|
|
error = (*vd->emulops->allocattr)(vd->emulcookie, fgcol, bgcol,
|
|
flags & WSATTR_WSCOLORS, bkgdattr);
|
|
if (error)
|
|
return (error);
|
|
|
|
if ((flags & WSATTR_HILIT) &&
|
|
!(vd->scrcapabilities & WSSCREEN_HILIT)) {
|
|
flags &= ~WSATTR_HILIT;
|
|
if (vd->scrcapabilities & WSSCREEN_WSCOLORS) {
|
|
#if defined(WSEMUL_VT100_HILIT_FG) && WSEMUL_VT100_HILIT_FG != -1
|
|
fgcol = WSEMUL_VT100_HILIT_FG;
|
|
#elif !defined(WSEMUL_VT100_HILIT_FG)
|
|
fgcol = WSCOL_RED;
|
|
#endif
|
|
#if defined(WSEMUL_VT100_HILIT_BG) && WSEMUL_VT100_HILIT_BG != -1
|
|
bgcol = WSEMUL_VT100_HILIT_BG;
|
|
#endif
|
|
flags |= WSATTR_WSCOLORS;
|
|
} else {
|
|
#ifdef VT100_DEBUG
|
|
printf("bold ignored (impossible)\n");
|
|
#endif
|
|
}
|
|
}
|
|
if ((flags & WSATTR_UNDERLINE) &&
|
|
!(vd->scrcapabilities & WSSCREEN_UNDERLINE)) {
|
|
flags &= ~WSATTR_UNDERLINE;
|
|
if (vd->scrcapabilities & WSSCREEN_WSCOLORS) {
|
|
#if defined(WSEMUL_VT100_UNDERLINE_FG) && WSEMUL_VT100_UNDERLINE_FG != -1
|
|
fgcol = WSEMUL_VT100_UNDERLINE_FG;
|
|
#endif
|
|
#if defined(WSEMUL_VT100_UNDERLINE_BG) && WSEMUL_VT100_UNDERLINE_BG != -1
|
|
bgcol = WSEMUL_VT100_UNDERLINE_BG;
|
|
#elif !defined(WSEMUL_VT100_UNDERLINE_BG)
|
|
bgcol = WSCOL_BROWN;
|
|
#endif
|
|
flags |= WSATTR_WSCOLORS;
|
|
} else {
|
|
#ifdef VT100_DEBUG
|
|
printf("underline ignored (impossible)\n");
|
|
#endif
|
|
}
|
|
}
|
|
if ((flags & WSATTR_BLINK) &&
|
|
!(vd->scrcapabilities & WSSCREEN_BLINK)) {
|
|
flags &= ~WSATTR_BLINK;
|
|
#ifdef VT100_DEBUG
|
|
printf("blink ignored (impossible)\n");
|
|
#endif
|
|
}
|
|
if ((flags & WSATTR_REVERSE) &&
|
|
!(vd->scrcapabilities & WSSCREEN_REVERSE)) {
|
|
flags &= ~WSATTR_REVERSE;
|
|
if (vd->scrcapabilities & WSSCREEN_WSCOLORS) {
|
|
int help;
|
|
help = bgcol;
|
|
bgcol = fgcol;
|
|
fgcol = help;
|
|
flags |= WSATTR_WSCOLORS;
|
|
} else {
|
|
#ifdef VT100_DEBUG
|
|
printf("reverse ignored (impossible)\n");
|
|
#endif
|
|
}
|
|
}
|
|
error = (*vd->emulops->allocattr)(vd->emulcookie, fgcol, bgcol,
|
|
flags, attr);
|
|
if (error)
|
|
return (error);
|
|
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* handle device control sequences if the main state machine
|
|
* told so by setting vd->dcstype to a nonzero value
|
|
*/
|
|
void
|
|
wsemul_vt100_handle_dcs(struct vt100base_data *vd)
|
|
{
|
|
int i, pos;
|
|
|
|
switch (vd->dcstype) {
|
|
case 0: /* not handled */
|
|
return;
|
|
case DCSTYPE_TABRESTORE:
|
|
KASSERT(vd->tabs != NULL);
|
|
KASSERT(vd->ncols <= 1024);
|
|
memset(vd->tabs, 0, vd->ncols);
|
|
pos = 0;
|
|
for (i = 0; i < vd->dcspos; i++) {
|
|
char c = vd->dcsarg[i];
|
|
switch (c) {
|
|
case '0': case '1': case '2': case '3': case '4':
|
|
case '5': case '6': case '7': case '8': case '9': {
|
|
const int c0 = c - '0';
|
|
if (pos < 0 ||
|
|
pos > INT_MAX/10 ||
|
|
pos * 10 > vd->ncols - c0) {
|
|
pos = -1;
|
|
break;
|
|
}
|
|
pos = pos * 10 + c0;
|
|
break;
|
|
}
|
|
case '/':
|
|
if (pos > 0) {
|
|
KASSERT(pos <= vd->ncols);
|
|
vd->tabs[pos - 1] = 1;
|
|
}
|
|
pos = 0;
|
|
break;
|
|
default:
|
|
#ifdef VT100_PRINTUNKNOWN
|
|
printf("unknown char %c in DCS\n", c);
|
|
#endif
|
|
break;
|
|
}
|
|
}
|
|
if (pos > 0) {
|
|
KASSERT(pos <= vd->ncols);
|
|
vd->tabs[pos - 1] = 1;
|
|
}
|
|
break;
|
|
default:
|
|
panic("wsemul_vt100_handle_dcs: bad type %d", vd->dcstype);
|
|
}
|
|
vd->dcstype = 0;
|
|
}
|
|
|
|
static int
|
|
vt100_ansimode(struct vt100base_data *vd, int nr, int op)
|
|
{
|
|
int res = 0; /* default: unknown */
|
|
|
|
switch (nr) {
|
|
case 2: /* KAM keyboard locked/unlocked */
|
|
break;
|
|
case 3: /* CRM control representation */
|
|
break;
|
|
case 4: /* IRM insert/replace characters */
|
|
if (op == VTMODE_SET)
|
|
vd->flags |= VTFL_INSERTMODE;
|
|
else if (op == VTMODE_RESET)
|
|
vd->flags &= ~VTFL_INSERTMODE;
|
|
res = ((vd->flags & VTFL_INSERTMODE) ? 1 : 2);
|
|
break;
|
|
case 10: /* HEM horizontal editing (permanently reset) */
|
|
res = 4;
|
|
break;
|
|
case 12: /* SRM local echo off/on */
|
|
res = 4; /* permanently reset ??? */
|
|
break;
|
|
case 20: /* LNM newline = newline/linefeed */
|
|
break;
|
|
default:
|
|
#ifdef VT100_PRINTUNKNOWN
|
|
printf("ANSI mode %d unknown\n", nr);
|
|
#endif
|
|
break;
|
|
}
|
|
return (res);
|
|
}
|
|
|
|
static int
|
|
vt100_decmode(struct vt100base_data *vd, int nr, int op)
|
|
{
|
|
int res = 0; /* default: unknown */
|
|
int flags;
|
|
|
|
flags = vd->flags;
|
|
switch (nr) {
|
|
case 1: /* DECCKM application/nomal cursor keys */
|
|
if (op == VTMODE_SET)
|
|
flags |= VTFL_APPLCURSOR;
|
|
else if (op == VTMODE_RESET)
|
|
flags &= ~VTFL_APPLCURSOR;
|
|
res = ((flags & VTFL_APPLCURSOR) ? 1 : 2);
|
|
break;
|
|
case 2: /* DECANM ANSI vt100/vt52 */
|
|
res = 3; /* permanently set ??? */
|
|
break;
|
|
case 3: /* DECCOLM 132/80 cols */
|
|
case 4: /* DECSCLM smooth/jump scroll */
|
|
case 5: /* DECSCNM light/dark background */
|
|
res = 4; /* all permanently reset ??? */
|
|
break;
|
|
case 6: /* DECOM move within/outside margins */
|
|
if (op == VTMODE_SET)
|
|
flags |= VTFL_DECOM;
|
|
else if (op == VTMODE_RESET)
|
|
flags &= ~VTFL_DECOM;
|
|
res = ((flags & VTFL_DECOM) ? 1 : 2);
|
|
break;
|
|
case 7: /* DECAWM autowrap */
|
|
if (op == VTMODE_SET)
|
|
flags |= VTFL_DECAWM;
|
|
else if (op == VTMODE_RESET)
|
|
flags &= ~VTFL_DECAWM;
|
|
res = ((flags & VTFL_DECAWM) ? 1 : 2);
|
|
break;
|
|
case 8: /* DECARM keyboard autorepeat */
|
|
break;
|
|
case 18: /* DECPFF print form feed */
|
|
break;
|
|
case 19: /* DECPEX printer extent: screen/scrolling region */
|
|
break;
|
|
case 25: /* DECTCEM text cursor on/off */
|
|
if (op == VTMODE_SET)
|
|
flags |= VTFL_CURSORON;
|
|
else if (op == VTMODE_RESET)
|
|
flags &= ~VTFL_CURSORON;
|
|
if (flags != vd->flags)
|
|
(*vd->emulops->cursor)(vd->emulcookie,
|
|
flags & VTFL_CURSORON,
|
|
vd->crow, vd->ccol);
|
|
res = ((flags & VTFL_CURSORON) ? 1 : 2);
|
|
break;
|
|
case 42: /* DECNRCM use 7-bit NRC /
|
|
7/8 bit from DEC multilingual or ISO-latin-1*/
|
|
if (op == VTMODE_SET)
|
|
flags |= VTFL_NATCHARSET;
|
|
else if (op == VTMODE_RESET)
|
|
flags &= ~VTFL_NATCHARSET;
|
|
res = ((flags & VTFL_NATCHARSET) ? 1 : 2);
|
|
break;
|
|
case 66: /* DECNKM numeric keypad */
|
|
break;
|
|
case 68: /* DECKBUM keyboard usage data processing/typewriter */
|
|
break;
|
|
default:
|
|
#ifdef VT100_PRINTUNKNOWN
|
|
printf("DEC mode %d unknown\n", nr);
|
|
#endif
|
|
break;
|
|
}
|
|
vd->flags = flags;
|
|
|
|
return (res);
|
|
}
|