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/* $OpenBSD: wsemul_vt100var.h,v 1.13 2023/03/06 17:14:44 miod Exp $ */
/* $NetBSD: wsemul_vt100var.h,v 1.5 2000/04/28 21:56:17 mycroft Exp $ */
/*
* Copyright (c) 1998
* Matthias Drochner. 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*
*/
#define VT100_EMUL_NARGS 10 /* max # of args to a command */
struct wsemul_vt100_emuldata {
const struct wsdisplay_emulops *emulops;
struct wsemul_abortstate abortstate;
void *emulcookie;
int scrcapabilities;
u_int nrows, ncols, crow, ccol;
uint32_t defattr; /* default attribute */
uint32_t kernattr; /* attribute for kernel output */
void *cbcookie;
#ifdef DIAGNOSTIC
int console;
#endif
u_int state; /* processing state */
int flags;
#define VTFL_LASTCHAR 0x001 /* printed last char on line (below cursor) */
#define VTFL_INSERTMODE 0x002
#define VTFL_APPLKEYPAD 0x004
#define VTFL_APPLCURSOR 0x008
#define VTFL_DECOM 0x010 /* origin mode */
#define VTFL_DECAWM 0x020 /* auto wrap */
#define VTFL_CURSORON 0x040
#define VTFL_NATCHARSET 0x080 /* national replacement charset mode */
#define VTFL_SAVEDCURS 0x100 /* we have a saved cursor state */
#define VTFL_UTF8 0x200 /* utf-8 character set */
uint32_t curattr, bkgdattr; /* currently used attribute */
int attrflags, fgcol, bgcol; /* properties of curattr */
u_int scrreg_startrow;
u_int scrreg_nrows;
char *tabs;
#ifdef HAVE_DOUBLE_WIDTH_HEIGHT
char *dblwid;
int dw;
#endif
int chartab0, chartab1;
u_int *chartab_G[4];
u_int *isolatin1tab, *decgraphtab, *dectechtab;
u_int *nrctab;
int sschartab; /* single shift */
int nargs;
u_int args[VT100_EMUL_NARGS]; /* numeric command args (CSI/DCS) */
char modif1; /* {>?} in VT100_EMUL_STATE_CSI */
char modif2; /* {!"$&} in VT100_EMUL_STATE_CSI */
int designating; /* substate in VT100_EMUL_STATE_SCS* */
int dcstype; /* substate in VT100_EMUL_STATE_STRING */
char *dcsarg;
int dcspos;
#define DCS_MAXLEN 256 /* ??? */
#define DCSTYPE_TABRESTORE 1 /* DCS2$t */
u_int savedcursor_row, savedcursor_col;
uint32_t savedattr, savedbkgdattr;
int savedattrflags, savedfgcol, savedbgcol;
int savedchartab0, savedchartab1;
u_int *savedchartab_G[4];
struct wsemul_inputstate instate; /* userland input state */
struct wsemul_inputstate kstate; /* kernel input state */
#ifdef HAVE_UTF8_SUPPORT
u_char translatebuf[4];
#else
u_char translatebuf[1];
#endif
};
/* some useful utility macros */
#define ARG(n) (edp->args[(n)])
#define DEF1_ARG(n) (ARG(n) ? ARG(n) : 1)
#define DEFx_ARG(n, x) (ARG(n) ? ARG(n) : (x))
/* the following two can be negative if we are outside the scrolling region */
#define ROWS_ABOVE ((int)edp->crow - (int)edp->scrreg_startrow)
#define ROWS_BELOW ((int)(edp->scrreg_startrow + edp->scrreg_nrows) \
- (int)edp->crow - 1)
#ifdef HAVE_DOUBLE_WIDTH_HEIGHT
#define CHECK_DW do { \
if (edp->dblwid && edp->dblwid[edp->crow]) { \
edp->dw = 1; \
if (edp->ccol > (edp->ncols >> 1) - 1) \
edp->ccol = (edp->ncols >> 1) - 1; \
} else \
edp->dw = 0; \
} while (0)
#define NCOLS (edp->ncols >> edp->dw)
#define COPYCOLS(f, t, n) (edp->emulcookie, edp->crow, (f) << edp->dw, \
(t) << edp->dw, (n) << edp->dw)
#define ERASECOLS(f, n, a) (edp->emulcookie, edp->crow, (f) << edp->dw, \
(n) << edp->dw, (a))
#else
#define CHECK_DW do { } while (0)
#define NCOLS (edp->ncols)
#define COPYCOLS(f, t, n) (edp->emulcookie, edp->crow, (f), (t), (n))
#define ERASECOLS(f, n, a) (edp->emulcookie, edp->crow, (f), (n), (a))
#endif
#define COLS_LEFT (NCOLS - edp->ccol - 1)
/*
* response to primary DA request
* operating level: 61 = VT100, 62 = VT200, 63 = VT300
* extensions: 1 = 132 cols, 2 = printer port, 6 = selective erase,
* 7 = soft charset, 8 = UDKs, 9 = NRC sets
* VT100 = "033[?1;2c"
*/
#define WSEMUL_VT_ID1 "\033[?62;6c"
/*
* response to secondary DA request
* ident code: 24 = VT320
* firmware version
* hardware options: 0 = no options
*/
#define WSEMUL_VT_ID2 "\033[>24;20;0c"
void wsemul_vt100_reset(struct wsemul_vt100_emuldata *);
int wsemul_vt100_scrollup(struct wsemul_vt100_emuldata *, int);
int wsemul_vt100_scrolldown(struct wsemul_vt100_emuldata *, int);
int wsemul_vt100_ed(struct wsemul_vt100_emuldata *, int);
int wsemul_vt100_el(struct wsemul_vt100_emuldata *, int);
int wsemul_vt100_handle_csi(struct wsemul_vt100_emuldata *,
struct wsemul_inputstate *);
void wsemul_vt100_handle_dcs(struct wsemul_vt100_emuldata *);
int wsemul_vt100_translate(void *cookie, kbd_t, keysym_t, const u_char **);
void vt100_initchartables(struct wsemul_vt100_emuldata *);
int vt100_setnrc(struct wsemul_vt100_emuldata *, int);
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