117 lines
4.3 KiB
C
117 lines
4.3 KiB
C
/* $NetBSD: vt100_base.h,v 1.1 2010/02/10 19:39:39 drochner 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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#define VT100_EMUL_NARGS 10 /* max # of args to a command */
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struct vt100base_data {
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const struct wsdisplay_emulops *emulops;
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void *emulcookie;
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int scrcapabilities;
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u_int nrows, ncols, crow, ccol;
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struct wsdisplay_msgattrs msgattrs;
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long defattr; /* default attribute */
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void *cbcookie;
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int flags;
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#define VTFL_LASTCHAR 0x001 /* printed last char on line (below cursor) */
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#define VTFL_INSERTMODE 0x002
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#define VTFL_APPLKEYPAD 0x004
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#define VTFL_APPLCURSOR 0x008
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#define VTFL_DECOM 0x010 /* origin mode */
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#define VTFL_DECAWM 0x020 /* auto wrap */
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#define VTFL_CURSORON 0x040
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#define VTFL_NATCHARSET 0x080 /* national replacement charset mode */
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#define VTFL_SAVEDCURS 0x100 /* we have a saved cursor state */
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long curattr, bkgdattr; /* currently used attribute */
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int attrflags, fgcol, bgcol; /* properties of curattr */
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u_int scrreg_startrow;
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u_int scrreg_nrows;
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char *tabs;
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char *dblwid;
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int dw;
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int nargs;
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u_int args[VT100_EMUL_NARGS]; /* numeric command args (CSI/DCS) */
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char modif1; /* {>?} in VT100_EMUL_STATE_CSI */
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char modif2; /* {!"$&} in VT100_EMUL_STATE_CSI */
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int dcstype; /* substate in VT100_EMUL_STATE_STRING */
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char *dcsarg;
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int dcspos;
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#define DCS_MAXLEN 256 /* ??? */
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#define DCSTYPE_TABRESTORE 1 /* DCS2$t */
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};
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/* some useful utility macros */
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#define ARG(d, n) ((d)->args[(n)])
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#define DEF1_ARG(d, n) (ARG(d, n) ? ARG(d, n) : 1)
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#define DEFx_ARG(d, n, x) (ARG(d, n) ? ARG(d, n) : (x))
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/* the following two can be negative if we are outside the scrolling region */
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#define ROWS_ABOVE(d) ((int)(d)->crow - (int)(d)->scrreg_startrow)
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#define ROWS_BELOW(d) ((int)((d)->scrreg_startrow + (d)->scrreg_nrows) \
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- (int)(d)->crow - 1)
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#define CHECK_DW(d) do { \
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if ((d)->dblwid && (d)->dblwid[(d)->crow]) { \
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(d)->dw = 1; \
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if ((d)->ccol > ((d)->ncols >> 1) - 1) \
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(d)->ccol = ((d)->ncols >> 1) - 1; \
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} else \
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(d)->dw = 0; \
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} while (0)
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#define NCOLS(d) ((d)->ncols >> (d)->dw)
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#define COLS_LEFT(d) (NCOLS(d) - (d)->ccol - 1)
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#define COPYCOLS(d, f, t, n) (*(d)->emulops->copycols)((d)->emulcookie, \
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(d)->crow, (f) << (d)->dw, (t) << (d)->dw, (n) << (d)->dw)
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#define ERASECOLS(d, f, n, a) (*(d)->emulops->erasecols)((d)->emulcookie, \
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(d)->crow, (f) << (d)->dw, (n) << (d)->dw, a)
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/*
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* response to primary DA request
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* operating level: 61 = VT100, 62 = VT200, 63 = VT300
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* extensions: 1 = 132 cols, 2 = printer port, 6 = selective erase,
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* 7 = soft charset, 8 = UDKs, 9 = NRC sets
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* VT100 = "033[?1;2c"
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*/
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#define WSEMUL_VT_ID1 "\033[?62;6c"
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/*
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* response to secondary DA request
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* ident code: 24 = VT320
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* firmware version
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* hardware options: 0 = no options
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*/
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#define WSEMUL_VT_ID2 "\033[>24;20;0c"
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void wsemul_vt100_scrollup(struct vt100base_data *, int);
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void wsemul_vt100_scrolldown(struct vt100base_data *, int);
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void wsemul_vt100_ed(struct vt100base_data *, int);
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void wsemul_vt100_el(struct vt100base_data *, int);
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void wsemul_vt100_handle_csi(struct vt100base_data *, u_char);
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void wsemul_vt100_handle_dcs(struct vt100base_data *);
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