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Diffstat (limited to 'libX11/src/Geom.c')
-rw-r--r-- | libX11/src/Geom.c | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/libX11/src/Geom.c b/libX11/src/Geom.c new file mode 100644 index 000000000..498c4455e --- /dev/null +++ b/libX11/src/Geom.c @@ -0,0 +1,91 @@ +/* $Xorg: Geom.c,v 1.4 2001/02/09 02:03:33 xorgcvs Exp $ */ + +/* + +Copyright 1985, 1998 The Open Group + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +the above copyright notice appear in all copies and that both that +copyright notice and this permission notice appear in supporting +documentation. + +The above copyright notice and this permission notice shall be included +in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS +OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. +IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR +OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, +ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR +OTHER DEALINGS IN THE SOFTWARE. + +Except as contained in this notice, the name of The Open Group shall +not be used in advertising or otherwise to promote the sale, use or +other dealings in this Software without prior written authorization +from The Open Group. + +*/ +/* $XFree86$ */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif +#include "Xlibint.h" +#include "Xutil.h" + +/* + * This routine given a user supplied positional argument and a default + * argument (fully qualified) will return the position the window should take + * returns 0 if there was some problem, else the position bitmask. + */ + +int +XGeometry ( + Display *dpy, /* user's display connection */ + int screen, /* screen on which to do computation */ + _Xconst char *pos, /* user provided geometry spec */ + _Xconst char *def, /* default geometry spec for window */ + unsigned int bwidth, /* border width */ + unsigned int fwidth, /* size of position units */ + unsigned int fheight, + int xadd, /* any additional interior space */ + int yadd, + register int *x, /* always set on successful RETURN */ + register int *y, /* always set on successful RETURN */ + register int *width, /* always set on successful RETURN */ + register int *height) /* always set on successful RETURN */ +{ + int px, py; /* returned values from parse */ + unsigned int pwidth, pheight; /* returned values from parse */ + int dx, dy; /* default values from parse */ + unsigned int dwidth, dheight; /* default values from parse */ + int pmask, dmask; /* values back from parse */ + + pmask = XParseGeometry(pos, &px, &py, &pwidth, &pheight); + dmask = XParseGeometry(def, &dx, &dy, &dwidth, &dheight); + + /* set default values */ + *x = (dmask & XNegative) ? + DisplayWidth(dpy, screen) + dx - dwidth * fwidth - + 2 * bwidth - xadd : dx; + *y = (dmask & YNegative) ? + DisplayHeight(dpy, screen) + dy - dheight * fheight - + 2 * bwidth - yadd : dy; + *width = dwidth; + *height = dheight; + + if (pmask & WidthValue) *width = pwidth; + if (pmask & HeightValue) *height = pheight; + + if (pmask & XValue) + *x = (pmask & XNegative) ? + DisplayWidth(dpy, screen) + px - *width * fwidth - + 2 * bwidth - xadd : px; + if (pmask & YValue) + *y = (pmask & YNegative) ? + DisplayHeight(dpy, screen) + py - *height * fheight - + 2 * bwidth - yadd : py; + return (pmask); +} |