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- .so man.macros
- .HS Tk_GetRootCoords tkc
- .BS
- .SH NAME
- Tk_GetRootCoords \- Compute root-window coordinates of window
- .SH SYNOPSIS
- .nf
- \fB#include <tk.h>\fR
- .sp
- \fBTk_GetRootCoords\fR(\fItkwin, xPtr, yPtr\fR)
- .SH ARGUMENTS
- .AS Tk_Window tkwin
- .AP Tk_Window tkwin in
- Token for window.
- .AP int *xPtr out
- Pointer to location in which to store root-window x-coordinate
- corresponding to left edge of \fItkwin\fR's border.
- .AP int *yPtr out
- Pointer to location in which to store root-window y-coordinate
- corresponding to top edge of \fItkwin\fR's border.
- .BE
-
- .SH DESCRIPTION
- .PP
- This procedure scans through the structural information maintained
- by Tk to compute the root-window coordinates corresponding to
- the upper-left corner of \fItkwin\fR's border. If \fItkwin\fR has
- no border, then \fBTk_GetRootCoords\fR returns the root-window
- coordinates corresponding to location (0,0) in \fItkwin\fR.
- \fBTk_GetRootCoords\fR is relatively efficient, since it doesn't have to
- communicate with the X server.
-
- .SH KEYWORDS
- coordinates, root window
-