1 | /* $NetBSD: vt100_base.h,v 1.1 2010/02/10 19:39:39 drochner 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 | * |
16 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
17 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
18 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
22 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
25 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | * |
27 | */ |
28 | |
29 | #define VT100_EMUL_NARGS 10 /* max # of args to a command */ |
30 | |
31 | struct vt100base_data { |
32 | const struct wsdisplay_emulops *emulops; |
33 | void *emulcookie; |
34 | int scrcapabilities; |
35 | u_int nrows, ncols, crow, ccol; |
36 | struct wsdisplay_msgattrs msgattrs; |
37 | long defattr; /* default attribute */ |
38 | |
39 | void *cbcookie; |
40 | |
41 | int flags; |
42 | #define VTFL_LASTCHAR 0x001 /* printed last char on line (below cursor) */ |
43 | #define VTFL_INSERTMODE 0x002 |
44 | #define VTFL_APPLKEYPAD 0x004 |
45 | #define VTFL_APPLCURSOR 0x008 |
46 | #define VTFL_DECOM 0x010 /* origin mode */ |
47 | #define VTFL_DECAWM 0x020 /* auto wrap */ |
48 | #define VTFL_CURSORON 0x040 |
49 | #define VTFL_NATCHARSET 0x080 /* national replacement charset mode */ |
50 | #define VTFL_SAVEDCURS 0x100 /* we have a saved cursor state */ |
51 | long curattr, bkgdattr; /* currently used attribute */ |
52 | int attrflags, fgcol, bgcol; /* properties of curattr */ |
53 | u_int scrreg_startrow; |
54 | u_int scrreg_nrows; |
55 | char *tabs; |
56 | char *dblwid; |
57 | int dw; |
58 | |
59 | int nargs; |
60 | u_int args[VT100_EMUL_NARGS]; /* numeric command args (CSI/DCS) */ |
61 | |
62 | char modif1; /* {>?} in VT100_EMUL_STATE_CSI */ |
63 | char modif2; /* {!"$&} in VT100_EMUL_STATE_CSI */ |
64 | |
65 | int dcstype; /* substate in VT100_EMUL_STATE_STRING */ |
66 | char *dcsarg; |
67 | int dcspos; |
68 | #define DCS_MAXLEN 256 /* ??? */ |
69 | #define DCSTYPE_TABRESTORE 1 /* DCS2$t */ |
70 | }; |
71 | |
72 | /* some useful utility macros */ |
73 | #define ARG(d, n) ((d)->args[(n)]) |
74 | #define DEF1_ARG(d, n) (ARG(d, n) ? ARG(d, n) : 1) |
75 | #define DEFx_ARG(d, n, x) (ARG(d, n) ? ARG(d, n) : (x)) |
76 | /* the following two can be negative if we are outside the scrolling region */ |
77 | #define ROWS_ABOVE(d) ((int)(d)->crow - (int)(d)->scrreg_startrow) |
78 | #define ROWS_BELOW(d) ((int)((d)->scrreg_startrow + (d)->scrreg_nrows) \ |
79 | - (int)(d)->crow - 1) |
80 | #define CHECK_DW(d) do { \ |
81 | if ((d)->dblwid && (d)->dblwid[(d)->crow]) { \ |
82 | (d)->dw = 1; \ |
83 | if ((d)->ccol > ((d)->ncols >> 1) - 1) \ |
84 | (d)->ccol = ((d)->ncols >> 1) - 1; \ |
85 | } else \ |
86 | (d)->dw = 0; \ |
87 | } while (0) |
88 | #define NCOLS(d) ((d)->ncols >> (d)->dw) |
89 | #define COLS_LEFT(d) (NCOLS(d) - (d)->ccol - 1) |
90 | #define COPYCOLS(d, f, t, n) (*(d)->emulops->copycols)((d)->emulcookie, \ |
91 | (d)->crow, (f) << (d)->dw, (t) << (d)->dw, (n) << (d)->dw) |
92 | #define ERASECOLS(d, f, n, a) (*(d)->emulops->erasecols)((d)->emulcookie, \ |
93 | (d)->crow, (f) << (d)->dw, (n) << (d)->dw, a) |
94 | |
95 | /* |
96 | * response to primary DA request |
97 | * operating level: 61 = VT100, 62 = VT200, 63 = VT300 |
98 | * extensions: 1 = 132 cols, 2 = printer port, 6 = selective erase, |
99 | * 7 = soft charset, 8 = UDKs, 9 = NRC sets |
100 | * VT100 = "033[?1;2c" |
101 | */ |
102 | #define WSEMUL_VT_ID1 "\033[?62;6c" |
103 | /* |
104 | * response to secondary DA request |
105 | * ident code: 24 = VT320 |
106 | * firmware version |
107 | * hardware options: 0 = no options |
108 | */ |
109 | #define WSEMUL_VT_ID2 "\033[>24;20;0c" |
110 | |
111 | void wsemul_vt100_scrollup(struct vt100base_data *, int); |
112 | void wsemul_vt100_scrolldown(struct vt100base_data *, int); |
113 | void wsemul_vt100_ed(struct vt100base_data *, int); |
114 | void wsemul_vt100_el(struct vt100base_data *, int); |
115 | void wsemul_vt100_handle_csi(struct vt100base_data *, u_char); |
116 | void wsemul_vt100_handle_dcs(struct vt100base_data *); |
117 | |