Tk Library Procedures Tk_GetRootCoords(3TK)
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NAME
Tk_GetRootCoords - Compute root-window coordinates of window
SYNOPSIS
#include
Tk_GetRootCoords(tkwin, xPtr, yPtr)
ARGUMENTSTk_Window tkwin (in) Token for window.
int *xPtr (out) Pointer to location in whichto store root-window x-
coordinate corresponding to left edge of tkwin's border. int *yPtr (out) Pointer to location in whichto store root-window y-
coordinate corresponding to top edge of tkwin's border._________________________________________________________________
DESCRIPTION
This procedure scans through the structural informationmaintained 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 windowATTRIBUTES
See attributes(5) for descriptions of the following attri-
butes: Tk Last change: 1Tk Library Procedures Tk_GetRootCoords(3TK)
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| ATTRIBUTE TYPE | ATTRIBUTE VALUE|
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| Availability | runtime/tk-8 |
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| Interface Stability| Uncommitted ||____________________|_________________|
NOTES Source for Tk is available on http://opensolaris.org. Tk Last change: 2