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