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Annotation of researchv9/X11/src/X.V11R1/lib/X/XGeom.c, revision 1.1

1.1     ! root        1: #include "copyright.h"
        !             2: 
        !             3: /* $Header: XGeom.c,v 1.2 87/09/11 08:09:25 toddb Exp $/
        !             4: /* Copyright Massachusetts Institute of Technology 1985 */
        !             5: 
        !             6: #include "Xlibint.h"
        !             7: #include "Xutil.h"
        !             8: 
        !             9: /*
        !            10:  * This routine given a user supplied positional argument and a default
        !            11:  * argument (fully qualified) will return the position the window should take
        !            12:  * returns 0 if there was some problem, else the position bitmask.
        !            13:  */
        !            14: 
        !            15: int XGeometry (dpy, screen, pos, def, bwidth, fwidth, fheight, xadd, yadd, x, y, width, height)
        !            16:      Display *dpy;                     /* user's display connection */
        !            17:      int screen;                       /* screen on which to do computation */
        !            18:      char *pos;                                /* user provided geometry spec */
        !            19:      char *def;                                /* default geometry spec for window */
        !            20:      unsigned int bwidth;              /* border width */
        !            21:      unsigned int fwidth, fheight;     /* size of position units */
        !            22:      int xadd, yadd;                   /* any additional interior space */
        !            23:      register *x, *y, *width, *height; /* always set on successful RETURN */
        !            24: {
        !            25:        int px, py, pwidth, pheight;    /* returned values from parse */
        !            26:        int dx, dy, dwidth, dheight;    /* default values from parse */
        !            27:        int pmask, dmask;               /* values back from parse */
        !            28: 
        !            29:        pmask = XParseGeometry(pos, &px, &py, &pwidth, &pheight);
        !            30:        dmask = XParseGeometry(def, &dx, &dy, &dwidth, &dheight);
        !            31: 
        !            32:        /* set default values */
        !            33:        *x = (dmask & XNegative) ? 
        !            34:            DisplayWidth(dpy, screen)  + dx - dwidth * fwidth - 
        !            35:                2 * bwidth - xadd : dx;
        !            36:        *y = (dmask & YNegative) ? 
        !            37:            DisplayHeight(dpy, screen) + dy - dheight * fheight - 
        !            38:                2 * bwidth - yadd : dy;
        !            39:        *width  = dwidth;
        !            40:        *height = dheight;
        !            41: 
        !            42:        if (pmask & WidthValue)  *width  = pwidth;
        !            43:        if (pmask & HeightValue) *height = pheight;
        !            44: 
        !            45:        if (pmask & XValue)
        !            46:            *x = (pmask & XNegative) ?
        !            47:              DisplayWidth(dpy, screen) + px - *width * fwidth - 
        !            48:                  2 * bwidth - xadd : px;
        !            49:        if (pmask & YValue)
        !            50:            *y = (pmask & YNegative) ?
        !            51:              DisplayHeight(dpy, screen) + py - *height * fheight - 
        !            52:                  2 * bwidth - yadd : py;
        !            53:        return (pmask);
        !            54: }

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