Tk_GetRootCoords — Compute root-window coordinates of window
#include <tk.h>
Tk_GetRootCoords(tkwin, xPtr, yPtr)
- Tk_Window tkwin
(in)
- Token for window.
- int *xPtr (out)
- Pointer to location in which to store root-window x-coordinate
corresponding to left edge of tkwin's border.
- int *yPtr (out)
- Pointer to location in which to store root-window y-coordinate
corresponding to top edge of tkwin's border.
This procedure scans through the structural information maintained
by Tk to compute the root-window coordinates corresponding to the
upper-left corner of tkwin's border. If tkwin has no
border, then Tk_GetRootCoords returns the root-window
coordinates corresponding to location (0,0) in tkwin.
Tk_GetRootCoords is relatively efficient, since it does not
have to communicate with the X server.
coordinates, root window
Copyright © 1990 The Regents of the University of
California.
Copyright © 1994-1996 Sun Microsystems, Inc.