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jaz_clib.arc
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JZSCREEN.H
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1989-04-09
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/*
┌────────────────────────────────────────────────────────────────────────────┐
│ Title : jzwindow.h │
│ Purpose : Define structures, defs, and global variables for window system │
│ │
│ Written by Jack Zucker - 75766,1336 301-794-5950 on 1/15/85 │
└────────────────────────────────────────────────────────────────────────────┘
*/
/* misc window declarations */
struct twindow
{
int *buf; /* buffer of chars and attributes */
char row; /* cursor row position */
char col; /* cursor column position */
unsigned char attr; /* attribute (color) of window */
unsigned
char number; /* window identifier byte */
int row1,
col1,
row2,
col2; /* global window coordinates */
struct twindow *next; /* pointer to next window struct */
};
#define TWINDOW struct twindow
#define BLACK 0
#define BLUE 1
#define GREEN 2
#define CYAN 3
#define RED 4
#define MAGENTA 5
#define BROWN 6
#define LIGHTGRAY 7
#define DARKGRAY 8
#define LIGHTBLUE 9
#define LIGHTGREEN 0x0A
#define LIGHTCYAN 0x0B
#define LIGHTRED 0x0C
#define LIGHTMAGENTA 0x0D
#define YELLOW 0x0E
#define WHITE 0x0F
#define BLINK 0x80
struct theader
{
int length; /* current length of a linked list */
TWINDOW *first;
TWINDOW *last;
} ;
#define THEADER struct theader
/* convert row and column to absolute offset of screen */
#define SCROFS(_y,_x) (unsigned) (_y * 160 + (_x << 1))
/* convert seperate foreground and background to attr */
#define MKATTR(_b,_f) (unsigned char) (_b << 4 + _f)
/* return a col position to center a given string */
#define CNTCOL(_s,_w) ((_w - strlen(_s)) >> 1)
#if LINT_ARGS
TWINDOW *jzopnwnd(),*jzappend(),*wsearch();
TWINDOW *jzcpywnd(TWINDOW *,int);
THEADER *jzgethdr();
void jzclrwnd(TWINDOW *,int);
#endif