Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!swrinde!ucsd!ucbvax!bloom-beacon!LARRY.MCRCIM.MCGILL.EDU!mouse
From: mouse@LARRY.MCRCIM.MCGILL.EDU
Newsgroups: comp.windows.x
Subject: Re:  <None>
Message-ID: <9008100730.AA28173@Larry.McRCIM.McGill.EDU>
Date: 10 Aug 90 07:30:58 GMT
Sender: daemon@athena.mit.edu (Mr Background)
Organization: The Internet
Lines: 26

> Is it possible to set up translations for both a single click and a
> double click of the same button?  I tried to do this (maybe I got the
> order wrong or something) but it never seemed to work.  A double
> click would always call the single click action first.  Is this the
> way it is supposed to work?

Yes.

The basic problem is that X can't support multiple mouse clicks.  So Xt
tries to fake it with time intervals, but the lack of a proper timeout
means that a double click has to be handled as

<down>		call single-click handler
<up>
<down>		notice small time difference, call double-click handler

which is of course exactly what you were seeing.  I and one or two
other people have been campaigning to get some sort of support into X
that would permit proper support of multiple clicks (among other
things); it remains to be seen what, if anything, along these lines
gets into R5.

					der Mouse

			old: mcgill-vision!mouse
			new: mouse@larry.mcrcim.mcgill.edu