1 /* $OpenBSD: wsemul_vt100var.h,v 1.6 2007/01/07 13:31:36 miod Exp $ */
2 /* $NetBSD: wsemul_vt100var.h,v 1.5 2000/04/28 21:56:17 mycroft Exp $ */
3
4 /*
5 * Copyright (c) 1998
6 * Matthias Drochner. All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 */
29
30 #define VT100_EMUL_NARGS 10 /* max # of args to a command */
31
32 struct wsemul_vt100_emuldata {
33 const struct wsdisplay_emulops *emulops;
34 void *emulcookie;
35 int scrcapabilities;
36 u_int nrows, ncols, crow, ccol;
37 long defattr; /* default attribute */
38
39 long kernattr; /* attribute for kernel output */
40 void *cbcookie;
41 #ifdef DIAGNOSTIC
42 int console;
43 #endif
44
45 u_int state; /* processing state */
46 int flags;
47 #define VTFL_LASTCHAR 0x001 /* printed last char on line (below cursor) */
48 #define VTFL_INSERTMODE 0x002
49 #define VTFL_APPLKEYPAD 0x004
50 #define VTFL_APPLCURSOR 0x008
51 #define VTFL_DECOM 0x010 /* origin mode */
52 #define VTFL_DECAWM 0x020 /* auto wrap */
53 #define VTFL_CURSORON 0x040
54 #define VTFL_NATCHARSET 0x080 /* national replacement charset mode */
55 #define VTFL_SAVEDCURS 0x100 /* we have a saved cursor state */
56 long curattr, bkgdattr; /* currently used attribute */
57 int attrflags, fgcol, bgcol; /* properties of curattr */
58 u_int scrreg_startrow;
59 u_int scrreg_nrows;
60 char *tabs;
61 char *dblwid;
62 int dw;
63
64 int chartab0, chartab1;
65 u_int *chartab_G[4];
66 u_int *isolatin1tab, *decgraphtab, *dectechtab;
67 u_int *nrctab;
68 int sschartab; /* single shift */
69
70 int nargs;
71 u_int args[VT100_EMUL_NARGS]; /* numeric command args (CSI/DCS) */
72
73 char modif1; /* {>?} in VT100_EMUL_STATE_CSI */
74 char modif2; /* {!"$&} in VT100_EMUL_STATE_CSI */
75
76 int designating; /* substate in VT100_EMUL_STATE_SCS* */
77
78 int dcstype; /* substate in VT100_EMUL_STATE_STRING */
79 char *dcsarg;
80 int dcspos;
81 #define DCS_MAXLEN 256 /* ??? */
82 #define DCSTYPE_TABRESTORE 1 /* DCS2$t */
83
84 u_int savedcursor_row, savedcursor_col;
85 long savedattr, savedbkgdattr;
86 int savedattrflags, savedfgcol, savedbgcol;
87 int savedchartab0, savedchartab1;
88 u_int *savedchartab_G[4];
89 };
90
91 /* some useful utility macros */
92 #define ARG(n) (edp->args[(n)])
93 #define DEF1_ARG(n) (ARG(n) ? ARG(n) : 1)
94 #define DEFx_ARG(n, x) (ARG(n) ? ARG(n) : (x))
95 /* the following two can be negative if we are outside the scrolling region */
96 #define ROWS_ABOVE ((int)edp->crow - (int)edp->scrreg_startrow)
97 #define ROWS_BELOW ((int)(edp->scrreg_startrow + edp->scrreg_nrows) \
98 - (int)edp->crow - 1)
99 #define CHECK_DW do { \
100 if (edp->dblwid && edp->dblwid[edp->crow]) { \
101 edp->dw = 1; \
102 if (edp->ccol > (edp->ncols >> 1) - 1) \
103 edp->ccol = (edp->ncols >> 1) - 1; \
104 } else \
105 edp->dw = 0; \
106 } while (0)
107 #define NCOLS (edp->ncols >> edp->dw)
108 #define COLS_LEFT (NCOLS - edp->ccol - 1)
109 #define COPYCOLS(f, t, n) (*edp->emulops->copycols)(edp->emulcookie, \
110 edp->crow, (f) << edp->dw, (t) << edp->dw, (n) << edp->dw)
111 #define ERASECOLS(f, n, a) (*edp->emulops->erasecols)(edp->emulcookie, \
112 edp->crow, (f) << edp->dw, (n) << edp->dw, a)
113
114 /*
115 * response to primary DA request
116 * operating level: 61 = VT100, 62 = VT200, 63 = VT300
117 * extensions: 1 = 132 cols, 2 = printer port, 6 = selective erase,
118 * 7 = soft charset, 8 = UDKs, 9 = NRC sets
119 * VT100 = "033[?1;2c"
120 */
121 #define WSEMUL_VT_ID1 "\033[?62;6c"
122 /*
123 * response to secondary DA request
124 * ident code: 24 = VT320
125 * firmware version
126 * hardware options: 0 = no options
127 */
128 #define WSEMUL_VT_ID2 "\033[>24;20;0c"
129
130 void wsemul_vt100_reset(struct wsemul_vt100_emuldata *);
131 void wsemul_vt100_scrollup(struct wsemul_vt100_emuldata *, int);
132 void wsemul_vt100_scrolldown(struct wsemul_vt100_emuldata *, int);
133 void wsemul_vt100_ed(struct wsemul_vt100_emuldata *, int);
134 void wsemul_vt100_el(struct wsemul_vt100_emuldata *, int);
135 void wsemul_vt100_handle_csi(struct wsemul_vt100_emuldata *, u_char);
136 void wsemul_vt100_handle_dcs(struct wsemul_vt100_emuldata *);
137
138 int wsemul_vt100_translate(void *cookie, keysym_t, char **);
139
140 void vt100_initchartables(struct wsemul_vt100_emuldata *);
141 int vt100_setnrc(struct wsemul_vt100_emuldata *, int);