Re: synaptics touchpad doesn't click

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At Tue, 15 Dec 2009 23:03:43 -0800,
Dmitry Torokhov wrote:
> 
> On Tue, Dec 15, 2009 at 11:52:00PM -0700, Alex Chiang wrote:
> > * Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>:
> > > On Tue, Dec 15, 2009 at 06:05:06PM -0700, Alex Chiang wrote:
> > > > * Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>:
> > > > >
> > > > > The updated patch is below.
> > > > > 
> > > > > -- 
> > > > > Dmitry
> > > > 
> > > > Should I test this one or wait one more iteration to address
> > > > Takashi's last comments?
> > > > 
> > > 
> > > Actually I think we took the wrong direction with the original patch and
> > > we should do what other buttonless devices (bcm5974) do: report touchpad
> > > click as left button and have Synaptics X driver provide enhanced
> > > support. This way we can have both modes (ClickZones and ClickButtons)
> > > and users will get to chose (provided that someone takes time to add
> > > that support to Synaptics driver of course ;) ).
> > > 
> > > Could you tell me if the below works for you?
> > 
> > Left clicks work. Right/middle do not (as expected, I guess).
> > 
> > I liked the behaviour of Takashi's patch a little better wrt what
> > happens when you try to click/drag, because he disabled movement
> > in the click area.
> 
> Are the clicks register only in that special area? Reading Synaptics
> product description it sounds like entire surface should be clickable.

In the case of ClickZone, the click in the button area is taken as
clicks, if I understand correctly.

The problem is, however, not about where to click.  It's about the
precision.  When you click a pad, your finger slips a little bit in
millimeter.  This already corresponds to a few pixels, and the pointer
moves away from the point you wanted to click.

In my original patch, I disabled the pointer movement in the button
area before click for avoiding this problem.


Takashi
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