Bug 417637 - X11: Black border while standalone QML KCMs are resized
Summary: X11: Black border while standalone QML KCMs are resized
Status: REOPENED
Alias: None
Product: kwin
Classification: Plasma
Component: general (show other bugs)
Version: 5.25.90
Platform: Arch Linux Linux
: NOR normal
Target Milestone: ---
Assignee: KWin default assignee
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2020-02-14 13:35 UTC by Patrick Silva
Modified: 2022-09-16 20:04 UTC (History)
2 users (show)

See Also:
Latest Commit:
Version Fixed In:

Attachments
screen recording (2.96 MB, video/webm)
2020-02-14 13:35 UTC, Patrick Silva 		Details
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Description Patrick Silva 2020-02-14 13:35:57 UTC 
Created attachment 126013 [details]
screen recording

SUMMARY
This behavior is not reproducible on Wayland.

STEPS TO REPRODUCE
1. start X11 session
2. open a standalone QML KCM (cursors, fonts, icons, mouse, etc) via apps launcher or krunner
3. resize its window by dragging any border 

OBSERVED RESULT
We can see black borders while the window is resized.
Watch the attached screen recording please.

EXPECTED RESULT
window should be resized without black borders

SOFTWARE/OS VERSIONS
Operating System: Arch Linux 
KDE Plasma Version: 5.18.0
KDE Frameworks Version: 5.67.0
Qt Version: 5.14.1
Comment 1 Nate Graham 2020-02-15 03:41:13 UTC 
Gross.
Comment 2 Vlad Zahorodnii 2020-02-17 08:38:06 UTC 
I'm not sure this bug can be fixed on KWin side.

*** This bug has been marked as a duplicate of bug 415839 ***
Comment 3 Nate Graham 2020-02-17 15:59:00 UTC 
Not a duplicate of that issue, because fixing that did not fix this.
Comment 4 Vlad Zahorodnii 2020-02-18 07:43:30 UTC 
(In reply to Nate Graham from comment #3)
> Not a duplicate of that issue, because fixing that did not fix this.

No, it's a duplicate of bug 415839. See comment 31.

*** This bug has been marked as a duplicate of bug 415839 ***
Comment 5 Nate Graham 2020-02-18 15:13:42 UTC 
If the issue described in this bug is still happening, then it cannot be a duplicate of a bug that is marked as fixed.
Comment 6 Nate Graham 2020-02-18 15:15:10 UTC 
If fixing it is truly impossible, then okay, it could be closed (however, is it actually impossible?)

But "can't fix" is quite different from "already fixed." :)
Comment 7 Patrick Silva 2022-09-16 20:04:55 UTC 
Tested on both Wayland and X11. Can only reproduce on X11, with Mouse KCM, for example.

$ kcmshell5 kcm_mouse

Operating System: Arch Linux
KDE Plasma Version: 5.25.90
KDE Frameworks Version: 5.98.0
Qt Version: 5.15.6
Graphics Platform: X11