1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
|
/* $OpenBSD: wsemul_vt100var.h,v 1.11 2020/05/25 09:55:49 jsg 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;
char *dblwid;
int dw;
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[6];
#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)
#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 COLS_LEFT (NCOLS - edp->ccol - 1)
#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)
/*
* 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);
|
