68aabb6d21
It should be able to parse escape sequences up to VT300, but not everything is implemented. Most notably, there is no font handling - all displayable characters are handed to the graphics driver. To solve this, a serious interface change to the graphics driver is needed (Unicode?).
117 lines
4.4 KiB
C
117 lines
4.4 KiB
C
/* $NetBSD: wsemul_vt100var.h,v 1.1 1998/06/20 19:17:47 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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* 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 for the NetBSD Project
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* by Matthias Drochner.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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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 wsemul_vt100_emuldata {
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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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long defattr; /* default attribute */
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long kernattr; /* attribute for kernel output */
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void *cbcookie;
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#ifdef DIAGNOSTIC
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int console;
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#endif
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u_int state; /* processing state */
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int flags;
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#define VTFL_LASTCHAR 1 /* printed last char on line (below cursor) */
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#define VTFL_INSERTMODE 2
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#define VTFL_APPLKEYPAD 4
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#define VTFL_APPLCURSOR 8
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#define VTFL_DECOM 16 /* origin mode */
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#define VTFL_DECAWM 32 /* auto wrap */
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#define VTFL_CURSORON 64
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long curattr; /* currently used attribute */
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int attrflags, fgcol, bgcol; /* properties of curattr */
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int scrreg_startrow;
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int scrreg_nrows;
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char *tabs;
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int nargs;
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u_int args[VT100_EMUL_NARGS]; /* command args */
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char designating; /* substate in VT100_EMUL_STATE_DESIGNATE */
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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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int savedcursor_row, savedcursor_col;
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};
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/* some useful utility macros */
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#define ARG(n) (edp->args[(n)])
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#define DEF1_ARG(n) (ARG(n) ? ARG(n) : 1)
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#define COLS_LEFT (edp->ncols - edp->ccol - 1)
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#define ROWS_ABOVE (edp->crow - edp->scrreg_startrow)
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#define ROWS_BELOW (edp->scrreg_startrow + edp->scrreg_nrows \
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- edp->crow - 1)
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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_reset __P((struct wsemul_vt100_emuldata *));
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void wsemul_vt100_scrollup __P((struct wsemul_vt100_emuldata *, int));
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void wsemul_vt100_scrolldown __P((struct wsemul_vt100_emuldata *, int));
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void wsemul_vt100_ed __P((struct wsemul_vt100_emuldata *, int));
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void wsemul_vt100_el __P((struct wsemul_vt100_emuldata *, int));
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void wsemul_vt100_handle_csi __P((struct wsemul_vt100_emuldata *, u_char));
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void wsemul_vt100_handle_csi_qm __P((struct wsemul_vt100_emuldata *,
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u_char));
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void wsemul_vt100_handle_dcs __P((struct wsemul_vt100_emuldata *));
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void vt100_setmode __P((struct wsemul_vt100_emuldata *, int, int));
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void vt100_resetmode __P((struct wsemul_vt100_emuldata *, int, int));
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void vt100_reportmode __P((struct wsemul_vt100_emuldata *, int, int));
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int wsemul_vt100_translate __P((void *cookie, keysym_t, char **));
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