Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!uunet!sbi!zeus!bpa_su10!sivan
From: sivan@bpa_su10.Sbi.Com (Sivan Mahadevan)
Newsgroups: comp.windows.x
Subject: Re: Synchronizing with Xt (XtPopup).
Keywords: XtPopup Xt events Athena
Message-ID: <122@bpa_su56.bpa_su10.Sbi.Com>
Date: 25 Jan 91 15:48:01 GMT
References: <1991Jan25.033150.12714@mel.dit.csiro.au>
Organization: BPA - Salomon Brothers, NY
Lines: 27

In article <1991Jan25.033150.12714@mel.dit.csiro.au>, kmy@mel.dit.csiro.au (Kid Mun Yap) writes:


> Does anyone know why flushing events using :
> 
> while (XtAppPending(app_context))
> 	XtAppProcessEvent(app_context, XtIMAll);
> 
> immediately after an XtPopup(widget, ...) does not flush all the events
> associated with the widget and its descendants but does so if a delay
> is introduced in between.

> The popup widget has a label widget as a child, doing the above without the
> delay in between causes the popup window to appear without the contents of
> of the label widget. Only on returning to XtAppMainLoop does the contents


I have had this problem using the Motif toolkit, you can flush (or
sync) and process all pendings events, and still you don't see the label on
the popup.  My solution was to flush and then wait for an expose event
on the label widget.  

-- 
Sivan Mahadevan
Salomon Brothers Inc	Bond Portfolio Analysis		Analytical Applications Group
One New York Plaza	44th Floor			212-747-5418
New York NY 10004	sivan@bpa_su10.sbi.com		uunet!sbi.com!bpa_su10!sivan