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Annotation of 43BSD/contrib/X/Xlib/XGeom.c, revision 1.1.1.1

1.1       root        1: #include <X/mit-copyright.h>
                      2: 
                      3: /* $Header: XGeom.c,v 10.5 86/02/01 15:34:27 tony Rel $/
                      4: /* Copyright Massachusetts Institute of Technology 1985 */
                      5: 
                      6: #include "XlibInternal.h"
                      7: 
                      8: /*
                      9:  * This routine given a user supplied positional argument and a default
                     10:  * argument (fully qualified) will return the position the window should take
                     11:  * returns 0 if there was some problem, else the position bitmask.
                     12:  */
                     13: 
                     14: int XGeometry (pos, def, bwidth, fwidth, fheight, xadd, yadd, x, y, width, height)
                     15: char *pos;                             /* user provided geometry spec */
                     16: char *def;                             /* default geometry spec for window */
                     17: int bwidth;                            /* border width */
                     18: int fwidth, fheight;                   /* size of position units */
                     19: int xadd, yadd;                                /* any additional interior space */
                     20: register *x, *y, *width, *height;      /* always set on successful RETURN */
                     21: {
                     22:        int px, py, pwidth, pheight;    /* returned values from parse */
                     23:        int dx, dy, dwidth, dheight;    /* default values from parse */
                     24:        int pmask, dmask;               /* values back from parse */
                     25: 
                     26:        pmask = XParseGeometry(pos, &px, &py, &pwidth, &pheight);
                     27:        dmask = XParseGeometry(def, &dx, &dy, &dwidth, &dheight);
                     28: 
                     29:        /* set default values */
                     30:        *x = (dmask & XNegative) ? 
                     31:            DisplayWidth()  + dx - dwidth * fwidth - 2 * bwidth - xadd : dx;
                     32:        *y = (dmask & YNegative) ? 
                     33:            DisplayHeight() + dy - dheight * fheight - 2 * bwidth - yadd : dy;
                     34:        *width  = dwidth;
                     35:        *height = dheight;
                     36: 
                     37:        if (pmask & WidthValue)  *width  = pwidth;
                     38:        if (pmask & HeightValue) *height = pheight;
                     39: 
                     40:        if (pmask & XValue)
                     41:            *x = (pmask & XNegative) ?
                     42:              DisplayWidth()  + px - *width * fwidth - 2 * bwidth - xadd : px;
                     43:        if (pmask & YValue)
                     44:            *y = (pmask & YNegative) ?
                     45:              DisplayHeight() + py - *height * fheight - 2 * bwidth - xadd: py;
                     46: 
                     47:        return (pmask);
                     48: }

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