[gpm]Touchpads

[Charlie Shub]

let me weigh in on this.  about 2 years ago, i had need to turn off
the TAP ON PAD ===>>>>> clicking a button

The fix was to take the touchpad into absolute mode and that way we
had access to the tap bits in the mouse packets.  Problem was that
when power went away (like for hibernation) the system would come back
with the pad in relative mode and tyap enabled again.  The fix for
this was to use a hook in the APM daemon to restart the modified GPM
hope this is of some use.

> From: Peter Berg Larsen <pebl@math.ku.dk>
> To: gpm@lists.linux.it
> Subject: Re: [gpm]Touchpads
> Date: Sun, 24 Mar 2002 02:08:48 +0100 (MET)
> 
> On Fri, 22 Mar 2002, Nico Schottelius wrote:
> 
> > > > The problem is, we cannot think the device is initialized and reseted
> > > > fine by programs before.
> > > > So I think the better solution is a reset in the initialization
> > > First of all a reboot will reset the touchpad to relative mode (ps2) so
> > > rebooting from or to windows will not change matter (if I read STIG page
> > > 17 correct 1)).
> > I never read STIG. I have the acer tm 524 and the fact is, after a warm boot,
> > the touchpad is not reseted correctly. Using X with ps2 is broken.
> > Using gpm-1.20.0 works, because of the new init function. 
> 
> Okay (different people have complained about the same thing, so I take it
> as it is not just your machine.).
> 
> 
> > So currently i looks like
> >    
> >    Win->gpm->X.
> > 
> > As you see, there is X less experienced with and has problems, 
> 
> You lost me here.
> 
> 
> > > What matter is that when gpm quits the touchpad is
> > > still in absolute mode, which would break any mousereading program that is
> > > not touchpad aware.
> > 
> > That's true, that's a problem. But what mouse reading programs really exist
> > and are used if not gpm or X ?
> 
> This is not an excuse for not the reseting it. (I often want(ed) to test
> ps2 in compare to how synps2 behaved)
> 
> 
> > Btw, after running gpm with synps2, X is not capable of changing back to
> > ps2...
> 
> No, because neither programs resets the synaptics.
> 
> ps.
> I am going to look futher into the code as I just experiented something
> funny after starting and stopping the synaptics. The keyboard updates
> slower and the mouse/cursor jitters when I press some keys.
> 
> 
> Peter
> --
> E-Mail:       pebl@math.ku.dk 
> Real name:    Peter Berg Larsen 
> Where:        Department of Computer Science, Copenhagen Uni., Denmark
> 
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charlie shub   University of Colorado at Colorado Springs
cdash@cs.uccs.edu               http://cs.uccs.edu/~cdash
(719) 262-3492                  (fax) 262-3369