sys/dev/wscons/wsemul_vt100var.h

   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 *, keysym_t, const char **);
 137
 138 void vt100_initchartables(struct wsemul_vt100_emuldata *);
 139 void vt100_setnrc(struct wsemul_vt100_emuldata *, int);