Re: Touch screen zoom - any method to disable?

> On 16. Feb 2024, at 13:35, Milan Obuch <[email protected]> wrote:
> 
> On Fri, 16 Feb 2024 13:04:14 +0100
> Michael Gmelin <[email protected]> wrote:
> 
>>>> On 16. Feb 2024, at 12:46, Milan Obuch <[email protected]> wrote:
>>> 
>>> Hi,
>>> 
>>> I have a terminal with touch screen running luakit with custom
>>> application. Basically, it works as intended, however, sometimes
>>> user unknowingly zooms into part of screen.
>>> 
>>> While relatively easy, all that's necessary is unzoom it using two
>>> fingers (the same way as used on smartphones), it scares this user a
>>> bit. So the best way to handle it would be not allowing zoom to
>>> occur.
>>> 
>>> Is there a method to do this? Some configuration of X? My setup uses
>>> webcamd to create event file for touch screen and libinput driver to
>>> handle input event in X.  
>> 
>> Can you share the output of
>> 
>>  xinput list
>> 
>> and for each of the devices shown
>> 
>>  xinput list-props device
>> 
>> Cheers
>> 
> 
> At the moment, not for the real device, only for my workstation which
> shares similar configuration. However, the 'issue' of zoom is the same,
> so I hope any outcome would be relevant.
> 
> Here, 'xinput list' shows
> 
> ⎡ Virtual core pointer                        id=2    [master pointer  (3)]
> ⎜   ↳ Virtual core XTEST pointer                  id=4    [slave  pointer  (2)]
> ⎜   ↳ System mouse                                id=6    [slave  pointer  (2)]
> ⎜   ↳ Composite USB PS2 Converter USB to PS2 Adaptor  v1.09    id=11    [slave  pointer  (2)]
> ⎜   ↳ AcerA Bell T231HlTouchScreen                id=12    [slave  pointer  (2)]
> ⎣ Virtual core keyboard                       id=3    [master keyboard (2)]
>    ↳ Virtual core XTEST keyboard                 id=5    [slave  keyboard (3)]
>    ↳ System keyboard multiplexer                 id=7    [slave  keyboard (3)]
>    ↳ Power Button                                id=8    [slave  keyboard (3)]
>    ↳ AT keyboard                                 id=9    [slave  keyboard (3)]
>    ↳ Composite USB PS2 Converter USB to PS2 Adaptor  v1.09    id=10    [slave  keyboard (3)]
> 
> and 'xinput list-props <device>' for all device listed (in numerical id
> order) is attached. (Far easier than handling mail wrapping issues.)

Ok, this is a wild shot, but does

  xinput disable 10

help?

Cheers


> Regards,
> Milan
> <xinp>