Please see my comments inline.
Ping
On Tue, Mar 2, 2010 at 6:18 PM, Chris Bagwell <ch...@cnpbagwell.com> wrote:
> Here are some basic questions I have on how we want gesture behaviour
> to be long term. I'm limiting it to single finger gestures since
> you'll see there are lots of options for that alone. The agreements we
> reach will be what I refer to as I review current linuxwacom and
> develop related patches for xf86-input-wacom. Current patches seems
> geared towards touchscreens to me and give touchpad users unwanted
> button presses.
>
> 1) When touching a touchscreen (ISDV4 devices mostly), should a left
> button press occur?
>
> My preference: Yes.
>
Yes. And it is in the driver already.
> 2) When touching a touchscreen, should a quick swipe inhibit the above
> button press?
>
> My preference: No, if we can help it. Other input handles don't bother
> with this that I've found. Two finger gestures may require some kind
> of hold-off on the button press though.
>
No, we (the wacom driver) don't. Let the application layer deals with it, at
least for now.
> 3) When touching a touchpad (Bamboo Touch), should a left button press
> occur?
>
> My preference: No. This is not user expectation.
>
No.
> 4) On touchscreens that support capacitive pressure reporting, should
> we inhibit button press from #1 until it crosses pressure threshold?
>
> My preference: No preference I've no experience with any touchscreens
> doing this with fingers; only with pens. But current code has some
> hooks.
>
No. Since capacity is not reliable, at least not yet.
> 5) On touchpads that support capacitive pressure reporting, should the
> pressure be used for anything?
>
> See "man synaptics" and "FingerPress" option for users expectations.
>
> My preference: No, for now anyways. Some reports that Bamboo Touch
> doesn't correctly support reporting pressure for fingers.
>
No, same reason as for 4).
> 6) On touchscreens, should tap gestures be supported to cause left
> button press? Tap means touch and release finger fast.
>
> My preference: No. It conflicts with button press in #1 and is not
> users expectation.
>
No.
> 7) On touchpads, should tap gestures be supported to cause left button
> press?
>
> My preference: Yes.
We don't have this feature in the driver right now. But I don't see a reason
that we should not support it. If you have time, you can make a patch for
this feature.
Ping
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