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 8.11 1996/12/20 10:26:59 bostic Exp $ (Berkeley) $Date: 1996/12/20 10:26:59 $";
  10  */
  11
  12 /*
  13  * Color support
  14  */
  15 #define COLOR_INVALID   0xff    /* force color change */
  16
  17 /*
  18  * These are color indices.  When vi passes color info, we can do 2..0x3f
  19  * in the 8 bits I've allocated.
  20  */
  21 #define COLOR_STANDARD  0x00    /* standard video */
  22 #define COLOR_INVERSE   0x01    /* reverse video */
  23
  24 /* These are flag bits, they override the above colors. */
  25 #define COLOR_CARET     0x80    /* draw the caret */
  26 #define COLOR_SELECT    0x40    /* draw the selection */
  27
  28 #define ToRowCol( scr, lin, r, c )      \
  29             r = (lin) / scr->cols;      \
  30             c = ((lin) - r * (scr->cols)) % scr->cols;
  31 #define Linear( scr, y, x )     \
  32             ( (y) * scr->cols + (x) )
  33 #define CharAt( scr, y, x )     \
  34             ( scr->characters + Linear( scr, y, x ) )
  35 #define FlagAt( scr, y, x )     \
  36             ( scr->flags + Linear( scr, y, x ) )
  37
  38 #define XPOS( scr, x )  \
  39         scr->ch_width * (x)
  40 #define YTOP( scr, y )  \
  41         scr->ch_height * (y)
  42 #define YPOS( scr, y )  \
  43         YTOP( scr, ((y)+1) ) - scr->ch_descent
  44
  45 #define ROW( scr, y )   \
  46         ( (y) / scr->ch_height )
  47
  48 #define COLUMN( scr, x )        \
  49         ( (x) / scr->ch_width )
  50
  51 /* Describes a single 'screen' implemented in X widgetry. */
  52 typedef struct {
  53     Widget      parent,         /* the pane */
  54                 area,           /* text goes here */
  55                 form,           /* holds text and scrollbar */
  56                 scroll;         /* not connected yet */
  57     Region      clip;
  58     int         color;
  59     int         rows,
  60                 cols;
  61     int         ch_width,
  62                 ch_height,
  63                 ch_descent;
  64     int         curx, cury;
  65     char        *characters;
  66     char        *flags;
  67     Boolean     init;
  68 } xvi_screen;
  69
  70 /* Option type. */
  71 typedef enum {
  72         optToggle,
  73         optInteger,
  74         optString,
  75         optFile,
  76         optTerminator
  77 } optKind;
  78
  79 /* Option entry. */
  80 typedef struct {
  81         optKind kind;                           /* Option type. */
  82         String  name;                           /* Option name. */
  83         void    *value;                         /* Current option value. */
  84         u_int   flags;                          /* Associated flags. */
  85 } optData;
  86
  87 /* Option page. */
  88 typedef struct {
  89         String  name;
  90         String  description;
  91         Widget  holder;
  92         optData *toggles;
  93         optData *ints;
  94         optData *others;
  95 } optSheet;
  96
  97 /* Utilities for converting X resources...
  98  *
  99  * __XutConvertResources( Widget, String root, XutResource *, int count )
 100  *      The resource block is loaded with converted values
 101  *      If the X resource does not exist, no change is made to the value
 102  *      'root' should be the application name.
 103  */
 104 typedef enum {
 105     XutRKinteger,
 106     XutRKboolean,
 107     XutRKpixel,
 108     XutRKpixelBackup,   /* if XutRKpixel fails */
 109     XutRKfont,
 110     XutRKcursor
 111 } XutResourceKind;
 112
 113 typedef struct {
 114     String              name;
 115     XutResourceKind     kind;
 116     void                *value;
 117 } XutResource;
 118
 119 /* Internal use: */
 120 extern GC          __vi_copy_gc;
 121 extern void      (*__vi_exitp) __P((void));
 122 extern xvi_screen *__vi_screen;
 123
 124 #include "extern.h"