Re: [Linuxwacom-devel] [PATCH libwacom] data: set the 22HD(T) to allow for touch strip modes

[Bastien Nocera]

On Fri, 2016-10-28 at 16:23 -0700, Ping Cheng wrote:
> On Thu, Oct 27, 2016 at 2:53 AM, Bastien Nocera 
> wrote:
> > On Thu, 2016-10-27 at 13:39 +1000, Peter Hutterer wrote:
> > > There is no physical LED to show the current mode, but the tablet
> > > was
> > > clearly
> > > intended to be used that way [1] and we already reserve two
> > > buttons
> > > as mode
> > > switch buttons anyway. Declare it correctly and let the userspace
> > > stack worry
> > > about displaying mode switches (it's already responsible for
> > > changing
> > > LEDs
> > > anyway).
> > > 
> > > [1] "The ambidextrous design of the Cintiq 22HD touch features a
> > > pair
> > > of
> > > rear-mounted Touch Strips, along with accompanying Touch Strip
> > > Toggle
> > > buttons.
> > > Each controls up to four application-specific functions, such as
> > > brush size,
> > > zooming, scrolling and on-screen canvas rotation."
> > > https://buywacom.com.au/cintiq-22hd-touch.html
> > 
> > Looks like this would need user-space changes to show an OSD when
> > the
> > feature is being used. In the meanwhile, I'd hold off on making a
> > change until at least one front-end implemented the functionality.
> 
> Maybe it's not a bad idea to make the change now so front-end can
> rely
> on it when user-space is ready, as long as the change won't break the
> existing user-space implementation. Does that make sense?

If you made that change without the corresponding user-space changes,
you'd have a button that used to work as simply a button, and that now
would change modes without any feedback as to which mode it's using.

I would at least expect a bug filed explaining the intent (for GNOME I
guess), so that Carlos has a chance to look into how we'd hook the UI
for this.

It might be a one-liner once a lot of the calibration and setup UI has
moved into the shell but we won't know until we're there.

Cheers

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Re: [Linuxwacom-devel] [PATCH libwacom] data: set the 22HD(T) to allow for touch strip modes

[Ping Cheng]

On Thu, Oct 27, 2016 at 2:53 AM, Bastien Nocera  wrote:
> On Thu, 2016-10-27 at 13:39 +1000, Peter Hutterer wrote:
>> There is no physical LED to show the current mode, but the tablet was
>> clearly
>> intended to be used that way [1] and we already reserve two buttons
>> as mode
>> switch buttons anyway. Declare it correctly and let the userspace
>> stack worry
>> about displaying mode switches (it's already responsible for changing
>> LEDs
>> anyway).
>>
>> [1] "The ambidextrous design of the Cintiq 22HD touch features a pair
>> of
>> rear-mounted Touch Strips, along with accompanying Touch Strip Toggle
>> buttons.
>> Each controls up to four application-specific functions, such as
>> brush size,
>> zooming, scrolling and on-screen canvas rotation."
>> https://buywacom.com.au/cintiq-22hd-touch.html
>
> Looks like this would need user-space changes to show an OSD when the
> feature is being used. In the meanwhile, I'd hold off on making a
> change until at least one front-end implemented the functionality.

Maybe it's not a bad idea to make the change now so front-end can rely
on it when user-space is ready, as long as the change won't break the
existing user-space implementation. Does that make sense?

Ping

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