tk_getrootcoords(3)

NAME

Tk_GetRootCoords - Compute root-window coordinates of win
dow

SYNOPSIS

#include <tk.h>
Tk_GetRootCoords(tkwin, xPtr, yPtr)

ARGUMENTS

Tk_Window tkwin (in) Token for window.

int *xPtr (out) Pointer to location in which

to store root-window x-coor
dinate corresponding to left
edge of tkwin's border.

int *yPtr (out) Pointer to location in which

to store root-window y-coor
dinate corresponding to top
edge of tkwin's border.

DESCRIPTION

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 doesn't have to communicate with the X server.

KEYWORDS

coordinates, root window

Tk Tk_GetRootCoords(3)