Ah, OK.  I think you're running into this issue, then, which only
affects applications that use Qt5:

https://github.com/TurboVNC/turbovnc/issues/154#issuecomment-446469303

Qt5 is overly strict in its support for extended input devices.  It
expects the valuator for pressure to be literally called "Abs Pressure",
and if it can't find a valuator with that name, it doesn't properly read
pressure events.  The current workaround is to start the TurboVNC Server
with -virtualtablet, but I expect to fix this issue properly in TurboVNC
3.0 by dropping support for X Input v1:

https://github.com/TurboVNC/turbovnc/issues/156


On 8/16/19 3:34 PM, [email protected] wrote:
> DRC <[email protected]> writes:
>
>> It should be possible, yes.  TurboVNC uses an RFB extension called "GII" 
>> that is basically designed as a remote interface for X Input.  The Linux 
>> TurboVNC Viewer clones any X Input extended pointer devices from the client 
>> into the
>> TurboVNC Server session.  It sounds like it is doing that properly, but 
>> perhaps there is some issue with the translation of events.  Can you send me 
>> the output of
>>
>>     xinput --list --long
>>
>> both on the client and in the TurboVNC Server session?
>>
>> Also double check the Inkscape settings on the server.  I know that, with 
>> GIMP, it is necessary to map the X Input devices to pressure and other 
>> parameters within the GIMP settings, and you have to do that once for your 
>> account on the
>> server before remote pressure events can be properly interpreted by that 
>> application.
> I was able to get pressure sensitivity working in Gimp, on the server.
> So at least something is working properly.
>
> Now that I changed to X rather than Wayland on the client, the devices
> are reported as Wacom.
>
> Inkscape and Krita are still missbehaving.
>
> Inkscape shows the extended devices, but I cant seem to enable them,
> which is different on the client side.
>
> I attach the xinput logs below.
>
>
>
>
>
>> On 8/15/19 3:28 PM, joakimv wrote:
>>
>>  I Have a hp laptop with a pen screen.
>>
>>  The pen screen isnt wacom but some other type of generic device, a little 
>> unclear which.
>>
>>  On the laptop I can use the pen screen pressure sensitivity in inkscape for 
>> instance. 
>>
>>  There, the device is reported as xwayland-stylus.
>>
>>  Remotely using turbovnc, I also see xwayland-stylus in the remote inkscape, 
>> but pressure events are not propagated.
>>
>>  Is there some type of workaround for this?
>>
>>  Regards
>>  /Joakim

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