motif_l/m_motif.h

   1 /*-
   2  * Copyright (c) 1996
   3  *      Rob Zimmermann.  All rights reserved.
   4  * Copyright (c) 1996
   5  *      Keith Bostic.  All rights reserved.
   6  *
   7  * See the LICENSE file for redistribution information.
   8  *
   9  *      "$Id: m_motif.h,v 8.3 1996/12/10 17:07:23 bostic Exp $ (Berkeley) $Date: 1996/12/10 17:07:23 $";
  10  */
  11
  12 /* Describes a single 'screen' implemented in X widgetry. */
  13 typedef struct {
  14     Widget      parent,         /* the pane */
  15                 area,           /* text goes here */
  16                 form,           /* holds text and scrollbar */
  17                 scroll;         /* not connected yet */
  18     Region      clip;
  19     int         color;
  20     int         rows,
  21                 cols;
  22     int         ch_width,
  23                 ch_height,
  24                 ch_descent;
  25     int         curx, cury;
  26     char        *characters;
  27     char        *flags;
  28     Boolean     init;
  29 } xvi_screen;
  30
  31 extern xvi_screen *_vi_screen;
  32
  33 /*
  34  * Color support
  35  */
  36 #define COLOR_INVALID   0xff    /* force color change */
  37
  38 /*
  39  * These are color indices.  When vi passes color info, we can do 2..0x3f
  40  * in the 8 bits I've allocated.
  41  */
  42 #define COLOR_STANDARD  0x00    /* standard video */
  43 #define COLOR_INVERSE   0x01    /* reverse video */
  44
  45 /* These are flag bits, they override the above colors. */
  46 #define COLOR_CARET     0x80    /* draw the caret */
  47 #define COLOR_SELECT    0x40    /* draw the selection */
  48
  49 #define ToRowCol( scr, lin, r, c )      \
  50             r = (lin) / scr->cols;      \
  51             c = ((lin) - r * (scr->cols)) % scr->cols;
  52 #define Linear( scr, y, x )     \
  53             ( (y) * scr->cols + (x) )
  54 #define CharAt( scr, y, x )     \
  55             ( scr->characters + Linear( scr, y, x ) )
  56 #define FlagAt( scr, y, x )     \
  57             ( scr->flags + Linear( scr, y, x ) )
  58
  59 #define XPOS( scr, x )  \
  60         scr->ch_width * (x)
  61 #define YTOP( scr, y )  \
  62         scr->ch_height * (y)
  63 #define YPOS( scr, y )  \
  64         YTOP( scr, ((y)+1) ) - scr->ch_descent
  65
  66 #define ROW( scr, y )   \
  67         ( (y) / scr->ch_height )
  68
  69 #define COLUMN( scr, x )        \
  70         ( (x) / scr->ch_width )
  71
  72 extern GC       _vi_copy_gc;
  73 extern Widget   top_level;
  74
  75
  76 /* public routines */
  77 extern  Boolean vi_pipe_input_func();
  78
  79 extern  char    *vi_progname;