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      1 
      2 /*
      3 
      4 Copyright 1985, 1998  The Open Group
      5 
      6 Permission to use, copy, modify, distribute, and sell this software and its
      7 documentation for any purpose is hereby granted without fee, provided that
      8 the above copyright notice appear in all copies and that both that
      9 copyright notice and this permission notice appear in supporting
     10 documentation.
     11 
     12 The above copyright notice and this permission notice shall be included
     13 in all copies or substantial portions of the Software.
     14 
     15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
     16 OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
     17 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
     18 IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR
     19 OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
     20 ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
     21 OTHER DEALINGS IN THE SOFTWARE.
     22 
     23 Except as contained in this notice, the name of The Open Group shall
     24 not be used in advertising or otherwise to promote the sale, use or
     25 other dealings in this Software without prior written authorization
     26 from The Open Group.
     27 
     28 */
     29 
     30 #ifdef HAVE_CONFIG_H
     31 #include <config.h>
     32 #endif
     33 #include "Xlibint.h"
     34 #include "Xutil.h"
     35 
     36 /*
     37  * This routine given a user supplied positional argument and a default
     38  * argument (fully qualified) will return the position the window should take
     39  * returns 0 if there was some problem, else the position bitmask.
     40  */
     41 
     42 int
     43 XGeometry (
     44      Display *dpy,			/* user's display connection */
     45      int screen,			/* screen on which to do computation */
     46      _Xconst char *pos,			/* user provided geometry spec */
     47      _Xconst char *def,			/* default geometry spec for window */
     48      unsigned int bwidth,		/* border width */
     49      unsigned int fwidth,		/* size of position units */
     50      unsigned int fheight,
     51      int xadd,				/* any additional interior space */
     52      int yadd,
     53      register int *x,			/* always set on successful RETURN */
     54      register int *y,			/* always set on successful RETURN */
     55      register int *width,		/* always set on successful RETURN */
     56      register int *height)		/* always set on successful RETURN */
     57 {
     58 	int px, py;			/* returned values from parse */
     59 	unsigned int pwidth, pheight;	/* returned values from parse */
     60 	int dx, dy;			/* default values from parse */
     61 	unsigned int dwidth, dheight;	/* default values from parse */
     62 	int pmask, dmask;		/* values back from parse */
     63 
     64 	pmask = XParseGeometry(pos, &px, &py, &pwidth, &pheight);
     65 	dmask = XParseGeometry(def, &dx, &dy, &dwidth, &dheight);
     66 
     67 	/* set default values */
     68 	*x = (dmask & XNegative) ?
     69 	    DisplayWidth(dpy, screen)  + dx - dwidth * fwidth -
     70 	        2 * bwidth - xadd : dx;
     71 	*y = (dmask & YNegative) ?
     72 	    DisplayHeight(dpy, screen) + dy - dheight * fheight -
     73 	        2 * bwidth - yadd : dy;
     74 	*width  = dwidth;
     75 	*height = dheight;
     76 
     77 	if (pmask & WidthValue)  *width  = pwidth;
     78 	if (pmask & HeightValue) *height = pheight;
     79 
     80 	if (pmask & XValue)
     81 	    *x = (pmask & XNegative) ?
     82 	      DisplayWidth(dpy, screen) + px - *width * fwidth -
     83 		  2 * bwidth - xadd : px;
     84 	if (pmask & YValue)
     85 	    *y = (pmask & YNegative) ?
     86 	      DisplayHeight(dpy, screen) + py - *height * fheight -
     87 		  2 * bwidth - yadd : py;
     88 	return (pmask);
     89 }
     90