libinput: the road to 1.0

[Michal Suchanek]

Hello,

I heard there is attempt to collect a database of mouse speeds (DPI)
so all mice behave the same.

What is the semantic of speed for trackballs? Technically the DPI of
scanning the ball movement can be determined and is often part of the
specification but the perceived speed will likely depend on ball size
and mounting as well.

Thanks

Michal

On 23 February 2015 at 04:34, Peter Hutterer <peter.hutterer at who-t.net> wrote:
> Just as a heads-up, here's a short summary on what the plan is for libinput.
> There are three milestones that are somewhat independent of each other:
> * API/ABI stability promise
> * libinput 1.0
> * tablet, buttonset and touchpad gesture support
>
> I made vague promises (on private channels) that we'll have a stable API by
> the end of February. At the moment it looks like 0.11 is that API, there may
> be another change in the next week or so but right now it looks like we're
> good. I'll probably remove libinput_device_has_button() with one last soname
> bump to have a clean start so you may want to update that soon.
> So summary: the stable API/ABI is nigh, and 0.12 will likely have the last
> API changes (if any).
>
> the timeline for libinput 1.0 is currently unclear but it's just a number
> anyway once we have a stable API. I expect it to happen either around 0.13
> or 0.14 though, once parts of the gesture code have been merged and
> polished.
>
> tablet support: won't be in 0.12 and probably not in 1.0 either. one reason
> we're frantically trying to get it almost finished is so we see whether
> adding tablets would require changes to the rest of the API (as opposed to
> just additions). atm it looks like what is left are merely additions, so
> we're good. either way, still needs more polishing.
>
> buttonset support: like tablet support, but it's even less mature and we
> don't quite know what the API will be yet. but again, it doesn't look like
> we'll need to change the main API. definitely not 0.12 or 1.0.
>
> gesture support: we'll merge much of the gesture handling without the public
> API for 0.12 or 0.13. gestures may make 1.0, as an addition on top of the
> current API. we'll see.
>
> Cheers,
>    Peter
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