1 /* $OpenBSD: wsemul_vt100var.h,v 1.10 2013/10/18 22:06:41 miod Exp $ */ 2 /* $NetBSD: wsemul_vt100var.h,v 1.5 2000/04/28 21:56:17 mycroft Exp $ */ 3 4 /* 5 * Copyright (c) 1998 6 * Matthias Drochner. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 */ 29 30 #define VT100_EMUL_NARGS 10 /* max # of args to a command */ 31 32 struct wsemul_vt100_emuldata { 33 const struct wsdisplay_emulops *emulops; 34 struct wsemul_abortstate abortstate; 35 void *emulcookie; 36 int scrcapabilities; 37 u_int nrows, ncols, crow, ccol; 38 long defattr; /* default attribute */ 39 40 long kernattr; /* attribute for kernel output */ 41 void *cbcookie; 42 #ifdef DIAGNOSTIC 43 int console; 44 #endif 45 46 u_int state; /* processing state */ 47 int flags; 48 #define VTFL_LASTCHAR 0x001 /* printed last char on line (below cursor) */ 49 #define VTFL_INSERTMODE 0x002 50 #define VTFL_APPLKEYPAD 0x004 51 #define VTFL_APPLCURSOR 0x008 52 #define VTFL_DECOM 0x010 /* origin mode */ 53 #define VTFL_DECAWM 0x020 /* auto wrap */ 54 #define VTFL_CURSORON 0x040 55 #define VTFL_NATCHARSET 0x080 /* national replacement charset mode */ 56 #define VTFL_SAVEDCURS 0x100 /* we have a saved cursor state */ 57 #define VTFL_UTF8 0x200 /* utf-8 character set */ 58 long curattr, bkgdattr; /* currently used attribute */ 59 int attrflags, fgcol, bgcol; /* properties of curattr */ 60 u_int scrreg_startrow; 61 u_int scrreg_nrows; 62 char *tabs; 63 char *dblwid; 64 int dw; 65 66 int chartab0, chartab1; 67 u_int *chartab_G[4]; 68 u_int *isolatin1tab, *decgraphtab, *dectechtab; 69 u_int *nrctab; 70 int sschartab; /* single shift */ 71 72 int nargs; 73 u_int args[VT100_EMUL_NARGS]; /* numeric command args (CSI/DCS) */ 74 75 char modif1; /* {>?} in VT100_EMUL_STATE_CSI */ 76 char modif2; /* {!"$&} in VT100_EMUL_STATE_CSI */ 77 78 int designating; /* substate in VT100_EMUL_STATE_SCS* */ 79 80 int dcstype; /* substate in VT100_EMUL_STATE_STRING */ 81 char *dcsarg; 82 int dcspos; 83 #define DCS_MAXLEN 256 /* ??? */ 84 #define DCSTYPE_TABRESTORE 1 /* DCS2$t */ 85 86 u_int savedcursor_row, savedcursor_col; 87 long savedattr, savedbkgdattr; 88 int savedattrflags, savedfgcol, savedbgcol; 89 int savedchartab0, savedchartab1; 90 u_int *savedchartab_G[4]; 91 92 struct wsemul_inputstate instate; /* userland input state */ 93 struct wsemul_inputstate kstate; /* kernel input state */ 94 95 #ifdef HAVE_UTF8_SUPPORT 96 u_char translatebuf[6]; 97 #else 98 u_char translatebuf[1]; 99 #endif 100 }; 101 102 /* some useful utility macros */ 103 #define ARG(n) (edp->args[(n)]) 104 #define DEF1_ARG(n) (ARG(n) ? ARG(n) : 1) 105 #define DEFx_ARG(n, x) (ARG(n) ? ARG(n) : (x)) 106 /* the following two can be negative if we are outside the scrolling region */ 107 #define ROWS_ABOVE ((int)edp->crow - (int)edp->scrreg_startrow) 108 #define ROWS_BELOW ((int)(edp->scrreg_startrow + edp->scrreg_nrows) \ 109 - (int)edp->crow - 1) 110 #define CHECK_DW do { \ 111 if (edp->dblwid && edp->dblwid[edp->crow]) { \ 112 edp->dw = 1; \ 113 if (edp->ccol > (edp->ncols >> 1) - 1) \ 114 edp->ccol = (edp->ncols >> 1) - 1; \ 115 } else \ 116 edp->dw = 0; \ 117 } while (0) 118 #define NCOLS (edp->ncols >> edp->dw) 119 #define COLS_LEFT (NCOLS - edp->ccol - 1) 120 #define COPYCOLS(f, t, n) (edp->emulcookie, edp->crow, (f) << edp->dw, \ 121 (t) << edp->dw, (n) << edp->dw) 122 #define ERASECOLS(f, n, a) (edp->emulcookie, edp->crow, (f) << edp->dw, \ 123 (n) << edp->dw, a) 124 125 /* 126 * response to primary DA request 127 * operating level: 61 = VT100, 62 = VT200, 63 = VT300 128 * extensions: 1 = 132 cols, 2 = printer port, 6 = selective erase, 129 * 7 = soft charset, 8 = UDKs, 9 = NRC sets 130 * VT100 = "033[?1;2c" 131 */ 132 #define WSEMUL_VT_ID1 "\033[?62;6c" 133 /* 134 * response to secondary DA request 135 * ident code: 24 = VT320 136 * firmware version 137 * hardware options: 0 = no options 138 */ 139 #define WSEMUL_VT_ID2 "\033[>24;20;0c" 140 141 void wsemul_vt100_reset(struct wsemul_vt100_emuldata *); 142 int wsemul_vt100_scrollup(struct wsemul_vt100_emuldata *, int); 143 int wsemul_vt100_scrolldown(struct wsemul_vt100_emuldata *, int); 144 int wsemul_vt100_ed(struct wsemul_vt100_emuldata *, int); 145 int wsemul_vt100_el(struct wsemul_vt100_emuldata *, int); 146 int wsemul_vt100_handle_csi(struct wsemul_vt100_emuldata *, 147 struct wsemul_inputstate *); 148 void wsemul_vt100_handle_dcs(struct wsemul_vt100_emuldata *); 149 150 int wsemul_vt100_translate(void *cookie, kbd_t, keysym_t, const u_char **); 151 152 void vt100_initchartables(struct wsemul_vt100_emuldata *); 153 int vt100_setnrc(struct wsemul_vt100_emuldata *, int); 154