https://bugs.kde.org/show_bug.cgi?id=419190
Bug ID: 419190
Summary: Can't force light breeze-gtk theme in firefox's
content window
Product: Breeze
Version: 5.18.3
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: gtk theme
Assignee: uhh...@gmail.com
Reporter: ppr...@liwjatan.at
Target Milestone: ---
SUMMARY
This is related to https://bugs.kde.org/show_bug.cgi?id=417493 and
https://bugs.kde.org/show_bug.cgi?id=413111
The problem, as far as I can see is this (and it's probably very
firefox/browser specific): The web was not made for dark themes. I tried
several browsers and they each tried in their own way to make it work, but it's
just an ugly mess. Most of the times you end up with poorly coded websites that
only define a font color, or a background color but not both and you get white
background with white text or black background with black text.
What firefox provides is a way to change the theme of the web view.
"widget.content.gtk-theme-override" sets the gtk theme for only the web view
and not the entire application. Before breeze became color theme aware, it was
possible to set this setting to "Breeze", which resulted in Firefox itself
using the system theme (Breeze Dark in my case), while websites would use the
light colored breeze interface elements.
Now that breeze is color theme aware, there's essentially no difference anymore
between "Breeze" and "Breeze-Dark" and no way to force the website window to
use light colored interface elements, other than using a different theme then
Breeze. This results in all kind of weird looking website and usability issues.
Firefox also has a setting called "widget.content.allow-gtk-dark-theme", which
doesn't seem to have an effect on Breeze either though.
STEPS TO REPRODUCE
1. Set kde theme to Breeze-Dark
2. Set gtk theme to Breeze-Dark
3. Set widget.content.gtk-theme-override to Breeze in firefox's about:config
OBSERVED RESULT
Several websites I noticed having usability issues with this:
https://reviews.reviewboard.org/r/ => The search bar on top has light
background with light text
https://www.cltairport.com/ => The search bar for "Find Your Flight" has light
background with light text
There's definitely more (difficult to remember by memory)
Both websites look fine in chrome
EXPECTED RESULT
Content view should use light interface elements and respective color scheme.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: 5.18.3
(available in About System)
KDE Plasma Version: 5.18.3
KDE Frameworks Version: 5.68.0
Qt Version: 5.13.2
Firefox: 68.6.0esr
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