xref: /netbsd/sys/dev/wscons/wsemul_vt100var.h (revision bf9ec67e)
1 /* $NetBSD: wsemul_vt100var.h,v 1.6 2001/10/13 15:56:16 augustss 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 	long curattr, bkgdattr;		/* currently used attribute */
61 	int attrflags, fgcol, bgcol;	/* properties of curattr */
62 	u_int scrreg_startrow;
63 	u_int scrreg_nrows;
64 	char *tabs;
65 	char *dblwid;
66 	int dw;
67 
68 	int chartab0, chartab1;
69 	u_int *chartab_G[4];
70 	u_int *isolatin1tab, *decgraphtab, *dectechtab;
71 	u_int *nrctab;
72 	int sschartab; /* single shift */
73 
74 	int nargs;
75 	u_int args[VT100_EMUL_NARGS]; /* numeric command args (CSI/DCS) */
76 
77 	char modif1;	/* {>?} in VT100_EMUL_STATE_CSI */
78 	char modif2;	/* {!"$&} in VT100_EMUL_STATE_CSI */
79 
80 	int designating;	/* substate in VT100_EMUL_STATE_SCS* */
81 
82 	int dcstype;		/* substate in VT100_EMUL_STATE_STRING */
83 	char *dcsarg;
84 	int dcspos;
85 #define DCS_MAXLEN 256 /* ??? */
86 #define DCSTYPE_TABRESTORE 1 /* DCS2$t */
87 
88 	u_int savedcursor_row, savedcursor_col;
89 	long savedattr, savedbkgdattr;
90 	int savedattrflags, savedfgcol, savedbgcol;
91 	int savedchartab0, savedchartab1;
92 	u_int *savedchartab_G[4];
93 };
94 
95 /* some useful utility macros */
96 #define	ARG(n)			(edp->args[(n)])
97 #define	DEF1_ARG(n)		(ARG(n) ? ARG(n) : 1)
98 #define	DEFx_ARG(n, x)		(ARG(n) ? ARG(n) : (x))
99 /* the following two can be negative if we are outside the scrolling region */
100 #define ROWS_ABOVE	((int)edp->crow - (int)edp->scrreg_startrow)
101 #define ROWS_BELOW	((int)(edp->scrreg_startrow + edp->scrreg_nrows) \
102 					- (int)edp->crow - 1)
103 #define CHECK_DW do { \
104 	if (edp->dblwid && edp->dblwid[edp->crow]) { \
105 		edp->dw = 1; \
106 		if (edp->ccol > (edp->ncols >> 1) - 1) \
107 			edp->ccol = (edp->ncols >> 1) - 1; \
108 	} else \
109 		edp->dw = 0; \
110 } while (0)
111 #define NCOLS		(edp->ncols >> edp->dw)
112 #define	COLS_LEFT	(NCOLS - edp->ccol - 1)
113 #define COPYCOLS(f, t, n) (*edp->emulops->copycols)(edp->emulcookie, \
114 	edp->crow, (f) << edp->dw, (t) << edp->dw, (n) << edp->dw)
115 #define ERASECOLS(f, n, a) (*edp->emulops->erasecols)(edp->emulcookie, \
116 	edp->crow, (f) << edp->dw, (n) << edp->dw, a)
117 
118 /*
119  * response to primary DA request
120  * operating level: 61 = VT100, 62 = VT200, 63 = VT300
121  * extensions: 1 = 132 cols, 2 = printer port, 6 = selective erase,
122  *	7 = soft charset, 8 = UDKs, 9 = NRC sets
123  * VT100 = "033[?1;2c"
124  */
125 #define WSEMUL_VT_ID1 "\033[?62;6c"
126 /*
127  * response to secondary DA request
128  * ident code: 24 = VT320
129  * firmware version
130  * hardware options: 0 = no options
131  */
132 #define WSEMUL_VT_ID2 "\033[>24;20;0c"
133 
134 void wsemul_vt100_reset(struct wsemul_vt100_emuldata *);
135 void wsemul_vt100_scrollup(struct wsemul_vt100_emuldata *, int);
136 void wsemul_vt100_scrolldown(struct wsemul_vt100_emuldata *, int);
137 void wsemul_vt100_ed(struct wsemul_vt100_emuldata *, int);
138 void wsemul_vt100_el(struct wsemul_vt100_emuldata *, int);
139 void wsemul_vt100_handle_csi(struct wsemul_vt100_emuldata *, u_char);
140 void wsemul_vt100_handle_dcs(struct wsemul_vt100_emuldata *);
141 
142 int wsemul_vt100_translate(void *cookie, keysym_t, char **);
143 
144 void vt100_initchartables(struct wsemul_vt100_emuldata *);
145 void vt100_setnrc(struct wsemul_vt100_emuldata *, int);
146