1 /* $NetBSD: wsemul_vt100var.h,v 1.12 2005/12/27 04:06:46 chs 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 wsemul_vt100_emuldata { 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 long kernattr; /* attribute for kernel output */ 40 void *cbcookie; 41 int console; /* used for DIAGNOSTIC */ 42 43 u_int state; /* processing state */ 44 int flags; 45 #define VTFL_LASTCHAR 0x001 /* printed last char on line (below cursor) */ 46 #define VTFL_INSERTMODE 0x002 47 #define VTFL_APPLKEYPAD 0x004 48 #define VTFL_APPLCURSOR 0x008 49 #define VTFL_DECOM 0x010 /* origin mode */ 50 #define VTFL_DECAWM 0x020 /* auto wrap */ 51 #define VTFL_CURSORON 0x040 52 #define VTFL_NATCHARSET 0x080 /* national replacement charset mode */ 53 #define VTFL_SAVEDCURS 0x100 /* we have a saved cursor state */ 54 long curattr, bkgdattr; /* currently used attribute */ 55 int attrflags, fgcol, bgcol; /* properties of curattr */ 56 u_int scrreg_startrow; 57 u_int scrreg_nrows; 58 char *tabs; 59 char *dblwid; 60 int dw; 61 62 int chartab0, chartab1; 63 u_int *chartab_G[4]; 64 u_int *isolatin1tab, *decgraphtab, *dectechtab; 65 u_int *nrctab; 66 int sschartab; /* single shift */ 67 68 int nargs; 69 u_int args[VT100_EMUL_NARGS]; /* numeric command args (CSI/DCS) */ 70 71 char modif1; /* {>?} in VT100_EMUL_STATE_CSI */ 72 char modif2; /* {!"$&} in VT100_EMUL_STATE_CSI */ 73 74 int designating; /* substate in VT100_EMUL_STATE_SCS* */ 75 76 int dcstype; /* substate in VT100_EMUL_STATE_STRING */ 77 char *dcsarg; 78 int dcspos; 79 #define DCS_MAXLEN 256 /* ??? */ 80 #define DCSTYPE_TABRESTORE 1 /* DCS2$t */ 81 82 u_int savedcursor_row, savedcursor_col; 83 long savedattr, savedbkgdattr; 84 int savedattrflags, savedfgcol, savedbgcol; 85 int savedchartab0, savedchartab1; 86 u_int *savedchartab_G[4]; 87 }; 88 89 /* some useful utility macros */ 90 #define ARG(n) (edp->args[(n)]) 91 #define DEF1_ARG(n) (ARG(n) ? ARG(n) : 1) 92 #define DEFx_ARG(n, x) (ARG(n) ? ARG(n) : (x)) 93 /* the following two can be negative if we are outside the scrolling region */ 94 #define ROWS_ABOVE ((int)edp->crow - (int)edp->scrreg_startrow) 95 #define ROWS_BELOW ((int)(edp->scrreg_startrow + edp->scrreg_nrows) \ 96 - (int)edp->crow - 1) 97 #define CHECK_DW do { \ 98 if (edp->dblwid && edp->dblwid[edp->crow]) { \ 99 edp->dw = 1; \ 100 if (edp->ccol > (edp->ncols >> 1) - 1) \ 101 edp->ccol = (edp->ncols >> 1) - 1; \ 102 } else \ 103 edp->dw = 0; \ 104 } while (0) 105 #define NCOLS (edp->ncols >> edp->dw) 106 #define COLS_LEFT (NCOLS - edp->ccol - 1) 107 #define COPYCOLS(f, t, n) (*edp->emulops->copycols)(edp->emulcookie, \ 108 edp->crow, (f) << edp->dw, (t) << edp->dw, (n) << edp->dw) 109 #define ERASECOLS(f, n, a) (*edp->emulops->erasecols)(edp->emulcookie, \ 110 edp->crow, (f) << edp->dw, (n) << edp->dw, a) 111 112 /* 113 * response to primary DA request 114 * operating level: 61 = VT100, 62 = VT200, 63 = VT300 115 * extensions: 1 = 132 cols, 2 = printer port, 6 = selective erase, 116 * 7 = soft charset, 8 = UDKs, 9 = NRC sets 117 * VT100 = "033[?1;2c" 118 */ 119 #define WSEMUL_VT_ID1 "\033[?62;6c" 120 /* 121 * response to secondary DA request 122 * ident code: 24 = VT320 123 * firmware version 124 * hardware options: 0 = no options 125 */ 126 #define WSEMUL_VT_ID2 "\033[>24;20;0c" 127 128 void wsemul_vt100_reset(struct wsemul_vt100_emuldata *); 129 void wsemul_vt100_scrollup(struct wsemul_vt100_emuldata *, int); 130 void wsemul_vt100_scrolldown(struct wsemul_vt100_emuldata *, int); 131 void wsemul_vt100_ed(struct wsemul_vt100_emuldata *, int); 132 void wsemul_vt100_el(struct wsemul_vt100_emuldata *, int); 133 void wsemul_vt100_handle_csi(struct wsemul_vt100_emuldata *, u_char); 134 void wsemul_vt100_handle_dcs(struct wsemul_vt100_emuldata *); 135 136 int wsemul_vt100_translate(void *cookie, keysym_t, const char **); 137 138 void vt100_initchartables(struct wsemul_vt100_emuldata *); 139 void vt100_setnrc(struct wsemul_vt100_emuldata *, int); 140