FreeBSD/Linux Kernel Cross Reference
sys/dev/wscons/wsemul_vt100var.h

     /* $NetBSD: wsemul_vt100var.h,v 1.8 2004/03/24 17:26:53 drochner Exp $ */
     
     /*
      * Copyright (c) 1998
      *      Matthias Drochner.  All rights reserved.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
      * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     *
     */
    
    #define VT100_EMUL_NARGS        10      /* max # of args to a command */
    
    struct wsemul_vt100_emuldata {
            const struct wsdisplay_emulops *emulops;
            void *emulcookie;
            int scrcapabilities;
            u_int nrows, ncols, crow, ccol;
            long defattr;                   /* default attribute */
    
            long kernattr;                  /* attribute for kernel output */
            void *cbcookie;
    #ifdef DIAGNOSTIC
            int console;
    #endif
    
            u_int state;                    /* processing state */
            int flags;
    #define VTFL_LASTCHAR   0x001   /* printed last char on line (below cursor) */
    #define VTFL_INSERTMODE 0x002
    #define VTFL_APPLKEYPAD 0x004
    #define VTFL_APPLCURSOR 0x008
    #define VTFL_DECOM      0x010   /* origin mode */
    #define VTFL_DECAWM     0x020   /* auto wrap */
    #define VTFL_CURSORON   0x040
    #define VTFL_NATCHARSET 0x080   /* national replacement charset mode */
    #define VTFL_SAVEDCURS  0x100   /* we have a saved cursor state */
            long curattr, bkgdattr;         /* currently used attribute */
            int attrflags, fgcol, bgcol;    /* properties of curattr */
            u_int scrreg_startrow;
            u_int scrreg_nrows;
            char *tabs;
            char *dblwid;
            int dw;
    
            int chartab0, chartab1;
            u_int *chartab_G[4];
            u_int *isolatin1tab, *decgraphtab, *dectechtab;
            u_int *nrctab;
            int sschartab; /* single shift */
    
            int nargs;
            u_int args[VT100_EMUL_NARGS]; /* numeric command args (CSI/DCS) */
    
            char modif1;    /* {>?} in VT100_EMUL_STATE_CSI */
            char modif2;    /* {!"$&} in VT100_EMUL_STATE_CSI */
    
            int designating;        /* substate in VT100_EMUL_STATE_SCS* */
    
            int dcstype;            /* substate in VT100_EMUL_STATE_STRING */
            char *dcsarg;
            int dcspos;
    #define DCS_MAXLEN 256 /* ??? */
    #define DCSTYPE_TABRESTORE 1 /* DCS2$t */
    
            u_int savedcursor_row, savedcursor_col;
            long savedattr, savedbkgdattr;
            int savedattrflags, savedfgcol, savedbgcol;
            int savedchartab0, savedchartab1;
            u_int *savedchartab_G[4];
    };
    
    /* some useful utility macros */
    #define ARG(n)                  (edp->args[(n)])
    #define DEF1_ARG(n)             (ARG(n) ? ARG(n) : 1)
    #define DEFx_ARG(n, x)          (ARG(n) ? ARG(n) : (x))
    /* the following two can be negative if we are outside the scrolling region */
    #define ROWS_ABOVE      ((int)edp->crow - (int)edp->scrreg_startrow)
    #define ROWS_BELOW      ((int)(edp->scrreg_startrow + edp->scrreg_nrows) \
                                            - (int)edp->crow - 1)
    #define CHECK_DW do { \
            if (edp->dblwid && edp->dblwid[edp->crow]) { \
                   edp->dw = 1; \
                   if (edp->ccol > (edp->ncols >> 1) - 1) \
                           edp->ccol = (edp->ncols >> 1) - 1; \
           } else \
                   edp->dw = 0; \
   } while (0)
   #define NCOLS           (edp->ncols >> edp->dw)
   #define COLS_LEFT       (NCOLS - edp->ccol - 1)
   #define COPYCOLS(f, t, n) (*edp->emulops->copycols)(edp->emulcookie, \
           edp->crow, (f) << edp->dw, (t) << edp->dw, (n) << edp->dw)
   #define ERASECOLS(f, n, a) (*edp->emulops->erasecols)(edp->emulcookie, \
           edp->crow, (f) << edp->dw, (n) << edp->dw, a)
   
   /*
    * response to primary DA request
    * operating level: 61 = VT100, 62 = VT200, 63 = VT300
    * extensions: 1 = 132 cols, 2 = printer port, 6 = selective erase,
    *      7 = soft charset, 8 = UDKs, 9 = NRC sets
    * VT100 = "033[?1;2c"
    */
   #define WSEMUL_VT_ID1 "\033[?62;6c"
   /*
    * response to secondary DA request
    * ident code: 24 = VT320
    * firmware version
    * hardware options: 0 = no options
    */
   #define WSEMUL_VT_ID2 "\033[>24;20;0c"
   
   void wsemul_vt100_reset(struct wsemul_vt100_emuldata *);
   void wsemul_vt100_scrollup(struct wsemul_vt100_emuldata *, int);
   void wsemul_vt100_scrolldown(struct wsemul_vt100_emuldata *, int);
   void wsemul_vt100_ed(struct wsemul_vt100_emuldata *, int);
   void wsemul_vt100_el(struct wsemul_vt100_emuldata *, int);
   void wsemul_vt100_handle_csi(struct wsemul_vt100_emuldata *, u_char);
   void wsemul_vt100_handle_dcs(struct wsemul_vt100_emuldata *);
   
   int wsemul_vt100_translate(void *cookie, keysym_t, char **);
   
   void vt100_initchartables(struct wsemul_vt100_emuldata *);
   void vt100_setnrc(struct wsemul_vt100_emuldata *, int);

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