Bug 453645

Summary: In Zotero scrollbar is too fat or background is not transparant
Product: [Plasma] Breeze Reporter: Cor Blom <cornelis>
Component: gtk themeAssignee: Janet Blackquill <uhhadd>
Status: RESOLVED DOWNSTREAM    
Severity: normal CC: nate, plasma-bugs
Priority: NOR    
Version: master   
Target Milestone: ---   
Platform: Other   
OS: Linux   
Latest Commit: Version Fixed In:
Attachments: Screenshot of relevant part scrollbar
Screenshot of whole window

Description Cor Blom 2022-05-11 06:48:02 UTC
Created attachment 148723 [details]
Screenshot of relevant part scrollbar

SUMMARY
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Installed git version of today, May 11 2022. Everything works fine, except Zotero. I have download Zotero from zotero.org. I believe it is an application based on firefox 78. With 5.24 I have good scrollbars, but with the new scrollbars for 5.25 they are too thick in Zotero. Looking carefulllig I think there is a non-transparant background behind the slider, giving it a thick look.
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SOFTWARE/OS VERSIONS
Linux/KDE Plasma: openSUSE Tumbleweed
(available in About System)
KDE Plasma Version: 5.24.5
KDE Frameworks Version: 5.93
Qt Version: 5.15.2

ADDITIONAL INFORMATION
I have attached a screenshot of the new scrollbar slider
Comment 1 Nate Graham 2022-05-11 14:28:23 UTC
Can you attach a screenshot of the whole window?
Comment 2 Cor Blom 2022-05-11 15:06:10 UTC
Created attachment 148741 [details]
Screenshot of whole window

Screenshot as asked. The grey area in the middle is made by me. I don't care for the world to see my list of books. :)
Comment 3 Nate Graham 2022-05-11 16:19:37 UTC
Thanks!

I'm afraid this looks like an app bug. It appears to be drawing its own scroll handle on top of the normal one, which breaks with GTK themes. You'll want to report this to Zotero's developer.
Comment 5 Cor Blom 2022-05-12 06:47:32 UTC
Final update: Firefox 78 also shows the thick scrollbars. Zotero is working on moving to newer firefox and then this should be solved.