Path: utzoo!attcan!uunet!lll-winken!lll-tis!helios.ee.lbl.gov!nosc!ucsd!ucsdhub!hp-sdd!hplabs!hp-pcd!hpcvlx!fred
From: fred@hpcvlx.HP.COM (Fred Taft)
Newsgroups: comp.windows.x
Subject: Re: Retrieving size of a PopupShell
Message-ID: <100920003@hpcvlx.HP.COM>
Date: 8 Sep 88 14:50:43 GMT
References: <8809011652.AA13739@esosun.uucp>
Organization: Hewlett-Packard Co., Corvallis, OR, USA
Lines: 3

You're on the right track.  To center your popup shell, first realize it,
then query its height and width.  Calculate the x and y where you want the
popup shell to appear, and then use XtMoveWidget() to move the shell widget.
Our menuing system does this, and it works great!