https://bugs.kde.org/show_bug.cgi?id=488479
Bug ID: 488479
Summary: Quickly lifting the pen away from the screen while
pressing down a pen button breaks touch gesture
actions
Classification: Applications
Product: krita
Version: nightly build (please specify the git hash!)
Platform: Other
OS: All
Status: REPORTED
Severity: normal
Priority: NOR
Component: Tablets (tablet issues are only very rarely bugs in
Krita!)
Assignee: krita-bugs-n...@kde.org
Reporter: tysont...@gmail.com
Target Milestone: ---
SUMMARY
On a Pen Display or an Android tablet, lifting the pen away from the screen
while pressing down a pen button breaks the screen's touch gesture actions.
For example, if I pressed down Middle Button to pan the canvas, and
accidentally moved my pen too high and the digitizer lost the pen input, I was
unable to rotate the canvas with two-finger gestures afterward.
STEPS TO REPRODUCE
1. On a Pen Display or an Android tablet
2. Press down Middle Mouse button to pan canvas
3. Quickly lift the pen up, away from the range of the screen's digitizer
4. Do not put the pen back in range
5. Use two finger gestures to rotate the canvas
OBSERVED RESULT
I could not use two finger gestures to rotate the canvas.
EXPECTED RESULT
I should be able to use two finger gestures to rotate the canvas.
SOFTWARE/OS VERSIONS
5.2.3 beta 1 and the latest nightly versions.
It seems that if I lifted my pen slowly away from the range, it's less likely
to break the touch gestures. But I could not reliably reproduce the phenomenon.
During my test, there was one occasion under Android which I lost the Middle
Button input afterward. I wonder if this has something to do with the issue.
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