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[/] [or1k/] [trunk/] [insight/] [tk/] [doc/] [GetRootCrd.3] - Blame information for rev 1765
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markom |
'\"
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'\" Copyright (c) 1990 The Regents of the University of California.
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'\" Copyright (c) 1994-1996 Sun Microsystems, Inc.
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'\"
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'\" See the file "license.terms" for information on usage and redistribution
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'\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
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'\"
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'\" RCS: @(#) $Id: GetRootCrd.3,v 1.1.1.1 2002-01-16 10:25:48 markom Exp $
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'\"
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.so man.macros
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.TH Tk_GetRootCoords 3 "" Tk "Tk Library Procedures"
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.BS
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.SH NAME
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Tk_GetRootCoords \- Compute root-window coordinates of window
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.SH SYNOPSIS
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.nf
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\fB#include \fR
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.sp
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\fBTk_GetRootCoords\fR(\fItkwin, xPtr, yPtr\fR)
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.SH ARGUMENTS
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.AS Tk_Window tkwin
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.AP Tk_Window tkwin in
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Token for window.
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.AP int *xPtr out
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Pointer to location in which to store root-window x-coordinate
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corresponding to left edge of \fItkwin\fR's border.
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.AP int *yPtr out
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Pointer to location in which to store root-window y-coordinate
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corresponding to top edge of \fItkwin\fR's border.
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.BE
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.SH DESCRIPTION
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.PP
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This procedure scans through the structural information maintained
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by Tk to compute the root-window coordinates corresponding to
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the upper-left corner of \fItkwin\fR's border. If \fItkwin\fR has
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no border, then \fBTk_GetRootCoords\fR returns the root-window
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coordinates corresponding to location (0,0) in \fItkwin\fR.
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\fBTk_GetRootCoords\fR is relatively efficient, since it doesn't have to
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communicate with the X server.
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.SH KEYWORDS
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coordinates, root window
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