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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: GetVRoot.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_GetVRootGeometry 3 4.0 Tk "Tk Library Procedures"
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.BS
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.SH NAME
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Tk_GetVRootGeometry \- Get location and size of virtual root for 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_GetVRootGeometry(\fItkwin, xPtr, yPtr, widthPtr, heightPtr\fB)\fR
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.SH ARGUMENTS
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.AS Tk_Window heightPtr
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.AP Tk_Window tkwin in
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Token for window whose virtual root is to be queried.
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.AP int xPtr out
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Points to word in which to store x-offset of virtual root.
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.AP int yPtr out
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Points to word in which to store y-offset of virtual root.
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.AP "int" widthPtr out
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Points to word in which to store width of virtual root.
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.AP "int" heightPtr out
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Points to word in which to store height of virtual root.
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.BE
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.SH DESCRIPTION
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.PP
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\fBTkGetVRootGeometry\fR returns geometry information about the virtual
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root window associated with \fItkwin\fR. The ``associated'' virtual
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root is the one in which \fItkwin\fR's nearest top-level ancestor (or
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\fItkwin\fR itself if it is a top-level window) has
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been reparented by the window manager. This window is identified by
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a \fB__SWM_ROOT\fR or \fB__WM_ROOT\fR property placed on the top-level
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window by the window manager.
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If \fItkwin\fR is not associated with a virtual root (e.g.
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because the window manager doesn't use virtual roots) then *\fIxPtr\fR and
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*\fIyPtr\fR will be set to 0 and *\fIwidthPtr\fR and *\fIheightPtr\fR
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will be set to the dimensions of the screen containing \fItkwin\fR.
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.SH KEYWORDS
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geometry, height, location, virtual root, width, window manager
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