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Annotation of researchv9/jtools/src/sux/frame.h, revision 1.1.1.1

1.1       root        1: #define        MAXLINES        (1024/9)        /*9=tiniest known height*/
                      2: #define newlnsz                fontheight(&defont)
                      3: 
                      4: typedef struct String{
                      5:        char *s;        /* pointer to string */
                      6:        short n;        /* number used */
                      7:        short size;     /* size of allocated area */
                      8: } String;
                      9: 
                     10: typedef unsigned char Nchar;   /* number of chars on a line */
                     11: typedef struct Frame{
                     12:        Rectangle rect;         /* Screen area of frame, exact #lines high */
                     13:        Rectangle scrollrect;   /* Screen area of scrollbar */
                     14:        Rectangle totalrect;    /* Screen area covered by entire frame */
                     15:        String  str;            /* What's in the frame */
                     16:        unsigned short  s1, s2; /* Indexes of ends of selected text */
                     17:        Point   scroll;         /* Scroll bar, 0<=(x=top),(y=bot)<=4096 */
                     18:        short   nlines;         /* Number of screen lines of text */
                     19:        short   nullsel;        /* True if last selection was null */
                     20:        short   lastch;         /* Last selected char when s1==s2 */
                     21:        short   margin;         /* margin around frame */
                     22:        Nchar   cpl[MAXLINES];  /* Number of characters per line */
                     23: } Frame;
                     24: 
                     25: #define        SCROLLWIDTH     10      /* width of scroll bar */
                     26: #define        SCROLLRANGE     4096    /* range of scrolling parameter */
                     27: 
                     28: #define        D               (&display)
                     29: #undef TRUE
                     30: #undef FALSE
                     31: #define        TRUE            1
                     32: #define        FALSE           0
                     33: #define        cwidth(c)       fontwidth(&defont)
                     34: 
                     35: extern Frame           *fralloc();
                     36: extern Rectangle       canon();
                     37: extern Point           nullpoint;
                     38: extern Point           toscreen(),ptofchar(), startline();
                     39: extern void            oprectf();
                     40: extern void            opclear();
                     41: extern Point           endpoint;       /* last position drawn during a frameop() */
                     42: extern int             complete;       /* did frameop do all it was supposed to? */
                     43: extern int             inscomplete;    /* is full insertion visible on screen? */
                     44: extern int             F_rectf;        /* function code for oprectf */
                     45: extern void            opnull();       /* nop routine for frameop side effects */
                     46: extern void            opdraw();       /* standard routine to draw the text */

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