Bug 434382

Summary: Huion Kamvas Pro 24 - pen button cause glitch with pressure sensitivity
Product: [Applications] krita Reporter: phangiang.sdm
Component: Tablets (tablet issues are only very rarely bugs in Krita!)Assignee: Krita Bugs <krita-bugs-null>
Status: RESOLVED NOT A BUG    
Severity: normal CC: halla
Priority: NOR    
Version First Reported In: 4.4.3-beta2   
Target Milestone: ---   
Platform: Microsoft Windows   
OS: Microsoft Windows   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:

Description phangiang.sdm 2021-03-14 04:27:45 UTC 
SUMMARY
I use Huion Kamvas Pro 24, latest driver on Windows 10.

Using WinTab API, disabled Windows Ink:
It doesn't matter if a canvas is opened or not, if I click on another app then click back on Krita using one of the pen button, the tip will lose pressure sensitivity.
Restart Krita does not fix the problem, it can only be fixed by restarting the driver.

STEPS TO REPRODUCE
1. Disable windows ink on the Huion driver, in Krita setting, use WinTab as the input API
2. While Krita is opened, click on anther app
3. Click back on Krita with the top or bottom button
4. Create a new file and draw something.

OBSERVED RESULT
Krita does not read the pressure sensitivity or sometimes does not read the pen tip at all.
Comment 1 Halla Rempt 2021-03-14 09:04:47 UTC 
Please report the bug to Huion: this is not a bug in Krita.
Comment 2 Halla Rempt 2021-03-14 10:32:35 UTC 
I've also contacted Huion about this problem.