Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!tut.cis.ohio-state.edu!bloom-beacon!ATHENA.MIT.EDU!kit
From: kit@ATHENA.MIT.EDU (Chris D. Peterson)
Newsgroups: comp.windows.x
Subject: Re: XTranslateCoordinates
Message-ID: <8903202347.AA23175@DORA.MIT.EDU>
Date: 20 Mar 89 23:47:19 GMT
References: <16429@mimsy.UUCP>
Sender: daemon@bloom-beacon.MIT.EDU
Organization: The Internet
Lines: 21


> Is there any reason not to use DefaultScreen?

Yep, what if someone has a 2 headed display, and starts his program up
with:

% foo -display foo:0.1

You will be calculating against foo:0.0 and your translation will be 
garbage.  It is best to use the RootWindowOfScreen() macro on the screen
returned by XtScreen().

						Chris D. Peterson     
						MIT X Consortium /
						Project Athena 

Net:	kit@athena.mit.edu		
Phone: (617) 253 - 1326			
USMail: MIT - Room E40-321
	77 Massachusetts Ave.		
	Cambridge, MA 02139