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Date:      Tue, 16 Jan 2001 18:04:23 +0100
From:      Gerhard Sittig <Gerhard.Sittig@gmx.net>
To:        FreeBSD Stable <freebsd-stable@FreeBSD.ORG>
Subject:   Re: odd mouse button behavior
Message-ID:  <20010116180423.A253@speedy.gsinet>
In-Reply-To: <200101160330.f0G3UAE03875@whizzo.transsys.com>; from louie@TransSys.COM on Mon, Jan 15, 2001 at 10:30:10PM -0500
References:  <E14I2A7-000DOj-00@rip.psg.com> <20010115184459.X253@speedy.gsinet> <200101160330.f0G3UAE03875@whizzo.transsys.com>

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On Mon, Jan 15, 2001 at 22:30 -0500, Louis A. Mamakos wrote:
> > On Sun, Jan 14, 2001 at 21:26 -0800, Randy Bush wrote:
> > > 
> > > and all of a sudden my mouse does not react to a button
> > > until the mosue travels.  this is most strange.
> > 
> > You don't have your third button emulated by any chance?
> > [...]
> 
> I've had this same sort of thing going on recently too.  I
> believe that the button-up (or button release) event is getting
> "lost".

No, in case you have the third button emulated, the "down" event
starts to wait for
- a movement event
- an up event
- the other button within a certain time interval or
- the interval to timeout

Without any of these happening the machine (mouse driver) won't
know if this "down" event was meant to be a "down" event or just
the introduction of the emulation special case.  If you don't
move your mouse or don't release the button / press the other
button too, you will have to wait for the timeout (some 50 ms).
This is when users experience delayed menu popup and the like.


Unless I got your description wrong and you do release the button
and X doesn't notice.  Then I couldn't help you.  But it might be
helpful to have the above emulation "discussion" and its side
effect of delay in the archive "for the record". :)


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