Home | History | Annotate | Line # | Download | only in wscons
wsemul_vt100var.h revision 1.7
      1 /* $NetBSD: wsemul_vt100var.h,v 1.7 2003/04/19 23:28:46 christos Exp $ */
      2 
      3 /*
      4  * Copyright (c) 1998
      5  *	Matthias Drochner.  All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *	This product includes software developed for the NetBSD Project
     18  *	by Matthias Drochner.
     19  * 4. The name of the author may not be used to endorse or promote products
     20  *    derived from this software without specific prior written permission.
     21  *
     22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     23  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     24  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     25  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     26  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     27  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     28  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     29  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     30  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     31  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     32  *
     33  */
     34 
     35 #define	VT100_EMUL_NARGS	10	/* max # of args to a command */
     36 
     37 struct wsemul_vt100_emuldata {
     38 	const struct wsdisplay_emulops *emulops;
     39 	void *emulcookie;
     40 	int scrcapabilities;
     41 	u_int nrows, ncols, crow, ccol;
     42 	long defattr;			/* default attribute */
     43 
     44 	long kernattr;			/* attribute for kernel output */
     45 	void *cbcookie;
     46 #ifdef DIAGNOSTIC
     47 	int console;
     48 #endif
     49 
     50 	u_int state;			/* processing state */
     51 	int flags;
     52 #define VTFL_LASTCHAR	0x001	/* printed last char on line (below cursor) */
     53 #define VTFL_INSERTMODE	0x002
     54 #define VTFL_APPLKEYPAD	0x004
     55 #define VTFL_APPLCURSOR	0x008
     56 #define VTFL_DECOM	0x010	/* origin mode */
     57 #define VTFL_DECAWM	0x020	/* auto wrap */
     58 #define VTFL_CURSORON	0x040
     59 #define VTFL_NATCHARSET	0x080	/* national replacement charset mode */
     60 #define VTFL_SAVEDCURS	0x100	/* we have a saved cursor state */
     61 	long curattr, bkgdattr;		/* currently used attribute */
     62 	int attrflags, fgcol, bgcol;	/* properties of curattr */
     63 	u_int scrreg_startrow;
     64 	u_int scrreg_nrows;
     65 	char *tabs;
     66 	char *dblwid;
     67 	int dw;
     68 
     69 	int chartab0, chartab1;
     70 	u_int *chartab_G[4];
     71 	u_int *isolatin1tab, *decgraphtab, *dectechtab;
     72 	u_int *nrctab;
     73 	int sschartab; /* single shift */
     74 
     75 	int nargs;
     76 	u_int args[VT100_EMUL_NARGS]; /* numeric command args (CSI/DCS) */
     77 
     78 	char modif1;	/* {>?} in VT100_EMUL_STATE_CSI */
     79 	char modif2;	/* {!"$&} in VT100_EMUL_STATE_CSI */
     80 
     81 	int designating;	/* substate in VT100_EMUL_STATE_SCS* */
     82 
     83 	int dcstype;		/* substate in VT100_EMUL_STATE_STRING */
     84 	char *dcsarg;
     85 	int dcspos;
     86 #define DCS_MAXLEN 256 /* ??? */
     87 #define DCSTYPE_TABRESTORE 1 /* DCS2$t */
     88 
     89 	u_int savedcursor_row, savedcursor_col;
     90 	long savedattr, savedbkgdattr;
     91 	int savedattrflags, savedfgcol, savedbgcol;
     92 	int savedchartab0, savedchartab1;
     93 	u_int *savedchartab_G[4];
     94 };
     95 
     96 /* some useful utility macros */
     97 #define	ARG(n)			(edp->args[(n)])
     98 #define	DEF1_ARG(n)		(ARG(n) ? ARG(n) : 1)
     99 #define	DEFx_ARG(n, x)		(ARG(n) ? ARG(n) : (x))
    100 /* the following two can be negative if we are outside the scrolling region */
    101 #define ROWS_ABOVE	((int)edp->crow - (int)edp->scrreg_startrow)
    102 #define ROWS_BELOW	((int)(edp->scrreg_startrow + edp->scrreg_nrows) \
    103 					- (int)edp->crow - 1)
    104 #define CHECK_DW do { \
    105 	if (edp->dblwid && edp->dblwid[edp->crow]) { \
    106 		edp->dw = 1; \
    107 		if (edp->ccol > (edp->ncols >> 1) - 1) \
    108 			edp->ccol = (edp->ncols >> 1) - 1; \
    109 	} else \
    110 		edp->dw = 0; \
    111 } while (0)
    112 #define NCOLS		(edp->ncols >> edp->dw)
    113 #define	COLS_LEFT	(NCOLS - edp->ccol - 1)
    114 #define COPYCOLS(f, t, n) (*edp->emulops->copycols)(edp->emulcookie, \
    115 	edp->crow, (f) << edp->dw, (t) << edp->dw, (n) << edp->dw)
    116 #define ERASECOLS(f, n, a) (*edp->emulops->erasecols)(edp->emulcookie, \
    117 	edp->crow, (f) << edp->dw, (n) << edp->dw, a)
    118 
    119 /*
    120  * response to primary DA request
    121  * operating level: 61 = VT100, 62 = VT200, 63 = VT300
    122  * extensions: 1 = 132 cols, 2 = printer port, 6 = selective erase,
    123  *	7 = soft charset, 8 = UDKs, 9 = NRC sets
    124  * VT100 = "033[?1;2c"
    125  */
    126 #define WSEMUL_VT_ID1 "\033[?62;6c"
    127 /*
    128  * response to secondary DA request
    129  * ident code: 24 = VT320
    130  * firmware version
    131  * hardware options: 0 = no options
    132  */
    133 #define WSEMUL_VT_ID2 "\033[>24;20;0c"
    134 
    135 void wsemul_vt100_reset(struct wsemul_vt100_emuldata *);
    136 void wsemul_vt100_scrollup(struct wsemul_vt100_emuldata *, int);
    137 void wsemul_vt100_scrolldown(struct wsemul_vt100_emuldata *, int);
    138 void wsemul_vt100_ed(struct wsemul_vt100_emuldata *, int);
    139 void wsemul_vt100_el(struct wsemul_vt100_emuldata *, int);
    140 void wsemul_vt100_handle_csi(struct wsemul_vt100_emuldata *, u_char);
    141 void wsemul_vt100_handle_dcs(struct wsemul_vt100_emuldata *);
    142 
    143 int wsemul_vt100_translate(void *cookie, keysym_t, char **);
    144 
    145 void vt100_initchartables(struct wsemul_vt100_emuldata *);
    146 void vt100_setnrc(struct wsemul_vt100_emuldata *, int);
    147