Bug 418303

Summary:	Font in sidebar is not antialiased until a second layer sidebar is opened on Wayland
Product:	[Applications] systemsettings	Reporter:	Lucia Mrenica <lucia.mrenica>
Component:	sidebarview	Assignee:	Marco Martin <notmart>
Status:	RESOLVED UPSTREAM
Severity:	normal	CC:	bugseforuns, kde, lucia.mrenica, nate, plasma-bugs-null, rainer
Priority:	NOR	Keywords:	wayland-only
Version First Reported In:	5.18.1
Target Milestone:	---
Platform:	Arch Linux
OS:	Linux
Latest Commit:		Version Fixed/Implemented In:	Qt 5.15.2
Sentry Crash Report:

Description Lucia Mrenica 2020-02-28 20:28:15 UTC

...on wayland and with fractional scaling (tested with 1.25)

SOFTWARE/OS VERSIONS
KDE Plasma Version: 5.18.2
KDE Frameworks Version: 5.67
Qt Version: 5.14.1

Comment 1 David Edmundson 2020-02-28 22:38:32 UTC

screenshots please

Comment 2 Lucia Mrenica 2020-02-29 09:09:23 UTC

I am actually struggling to take a good screenshot showing this issue. That might be caused by https://bugs.kde.org/show_bug.cgi?id=418313

Comment 3 David Edmundson 2020-02-29 12:15:40 UTC

Does it work perfectly at 2x? If so it's not the clients fault

Comment 4 Lucia Mrenica 2020-02-29 12:50:51 UTC

I did some testing:
Setting global scaling factor at 1,25 and running "QT_SCALE_FACTOR=X systemsettings5" X!=1 works correctly and X=1 is broken.
Setting global scaling factor at 1 and running "QT_SCALE_FACTOR=X systemsettings5" X==1, 0.99, 1.99, 1.25, 2 or anything else works correctly.

I also took photos: https://imgur.com/a/eQvBoYm

Comment 5 Patrick Silva 2020-03-13 23:09:16 UTC

I can reproduce this bug on my sysyem.

SOFTWARE/OS VERSIONS
Operating System: Arch Linux 
KDE Plasma Version: 5.18.3
KDE Frameworks Version: 5.67.0
Qt Version: 5.14.1

Comment 6 Christoph Feck 2020-03-20 17:42:51 UTC

Requested information was provided with comment 4; changing status for inspection.

Comment 7 Lucia Mrenica 2020-05-01 15:06:02 UTC

There is also something wrong with the icons on the home page, not only the text in the sidebar.

Comment 8 Nate Graham 2020-09-23 17:25:16 UTC

*** Bug 426763 has been marked as a duplicate of this bug. ***

Comment 9 David Edmundson 2020-09-27 22:22:41 UTC

Please reopen if you see this after you have QtWayland with 18ab3edaf2a4cdd1e9df6e166cf51a69a9785ecd 

(I think that's Qt 5.15.2?)