https://bugs.kde.org/show_bug.cgi?id=458586
Bug ID: 458586
Summary: Krita with a Wacom Intuos Pro (Large) Zoom/Pan pen
functionality causes Krita canvas to become unusable
Product: krita
Version: 5.1.0
Platform: Other
OS: Other
Status: REPORTED
Severity: normal
Priority: NOR
Component: OpenGL Canvas
Assignee: krita-bugs-n...@kde.org
Reporter: n...@nezteb.net
Target Milestone: ---
Created attachment 151749
--> https://bugs.kde.org/attachment.cgi?id=151749&action=edit
Krita's "Submit Bug Report" debug text
SUMMARY
Some links to the Krita artists forum where I describe this in detail, which
I'll link for posterity and then re-summarize below:
-
https://krita-artists.org/t/bug-zoom-tool-and-application-pointer-gets-stuck-requiring-application-restart-video-included/34795
-
https://krita-artists.org/t/gets-stuck-on-magnifying-glass-then-literally-cannot-use-any-tool-buttons/45634/12?u=nezteb
Video demo: https://www.youtube.com/watch?v=-UAm-15wvxU
It's not just sometimes either. I can reliably reproduce it every single time.
I've tried it on multiple Mac machines too: one 2018 MacBook Air, a 2017
MacBook Pro, a 2020 MacBook Pro. etc. Oddly enough, if I trigger this bug and
then open the tablet tester, my pen strokes register there just fine. I can
even click around the UI and it's nice and responsive. But the canvas itself
becomes completely unusable.
Also none of the suggestions mentioned in various forum posts work for me:
- Hitting the escape key
- Using CMD+plus and CMD+minus
- Using the normal trackpad to "unstick" the zoom
- Clicking outside of the canvas/application
- Turning off the "touch" features of the tablet so that only my pen will
register input
I even ended up contacting Wacom and they had a technical support person walk
me through tons of debugging steps, none of which worked.
Even the logs show nothing of note:
```
SESSION: 31 Aug 2022 16:44:49 -0700. Executing
/Applications/krita.app/Contents/MacOS/krita
Krita Version: 5.1.0, Qt version compiled: 5.12.12, loaded: 5.12.12. Process
ID: 5132
-- -- -- -- -- -- -- --
31 Aug 2022 16:44:49 -0700: Style: macintosh. Available styles: macintosh,
Windows, Fusion
31 Aug 2022 16:44:50 -0700: Database is up to date. Version: 0.0.17, created by
Krita 5.1.0, at Tue Aug 30 14:51:02 2022
31 Aug 2022 16:45:21 -0700: Created image "Unnamed", 3508 * 4960 pixels, 300
dpi. Color model: 8-bit integer/channel RGB/Alpha (sRGB-elle-V2-srgbtrc.icc).
Layers: 2
31 Aug 2022 16:53:53 -0700: Autosaving:
/Users/noah/.krita-5132-document_0-autosave.kra
31 Aug 2022 16:53:53 -0700: Converting from application/x-krita to
application/x-krita. Location: /Users/noah/.krita-5132-document_0-autosave.kra.
Real location: /Users/noah/.krita-5132-document_0-autosave.kra. Batchmode: 0.
Configuration: none
31 Aug 2022 16:53:54 -0700: Completed saving
/Users/noah/.krita-5132-document_0-autosave.kra (mime: application/x-krita).
Result: OK. Warning: . Size: 444564
31 Aug 2022 17:02:27 -0700: Removing autosave file:
/Users/noah/.krita-5132-document_0-autosave.kra
31 Aug 2022 17:02:28 -0700: CLOSING SESSION
```
The Log Viewer docker tool shows even less (with all log categories enabled).
STEPS TO REPRODUCE
1. Open Krita 5.1.0
2. Connect Wacom Intuos Pro
3. Configure tablet to use the "Pan/Scroll" functionality on pen button click
(pen button mode "Hover Click" and "Click & Tap" make no difference)
4. Start drawing in Krita, use button to pan
5. The canvas is no longer editable, but the rest of the application is still
usable and responsive
OBSERVED RESULT
The pen Pan/Scroll functionality should not lock up the canvas.
EXPECTED RESULT
The canvas because locked to any edits.
Also see attached text file containing the text from the "Submit Bug Report"
pop-up window.
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