On Thu, 6 Apr 2023 06:39:00 GMT, Fabian Wolter <d...@openjdk.org> wrote:

>> There are sometimes multitouch events detected, when only a single touch 
>> should be detected under certain conditions. This lead to touch events on 
>> previous touch positions.
>> 
>> The referenced bug is closed with "won't fix" with the justification it 
>> would be platform specific. But this is not correct. It affects all Linux 
>> platforms combined with a touch controller, which sends the touch events in 
>> an uncommon, but valid(!), order.
>> 
>> We encountered this problem with the touch controller ILI2511 with firmware 
>> V6000_V1 in the Tianma display TM070JVHG33. This patch fixes the problem. It 
>> is the same patch attached to above bug report.
>
> Do you need any additional information to start reviewing this bug?

Hi @fwolter . I still think this would be a good fix, but it would be really 
helpful if there was a regression test for this. There have been a number of 
changes in how touch handling should be processed, and I want to make sure we 
don't run in circles (where patch A breaks the fix from patch B and vice versa).
Do you think you can come up with a unit test for this?

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PR Comment: https://git.openjdk.org/jfx/pull/641#issuecomment-1546997979

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