| 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 | |