seeking help changing theme in lyx

[Yu Jin]

Am Mi., 10. Juli 2024 um 08:12 Uhr schrieb Jon Snow:

> Hi I just installed lyx and I’ve been trying forever to change the theme
> to white and yellow like I always see in youtube videos but lyx keeps using
> my system default (which is dark mode) no matter what I don’t know why I
> would very much appreciate it if you could help me solve this problem its
> so annoying for me to work on lyx with black and white theme
>
> I also tried going to preferences ->colors and no matte what colors I pick
> there it stays the same, also tried going to documents -> settings->color
> and tried to change things there no matter what I do it also stays the same
>

The thing here is that starting from version 6.5 Qt "supports" dark theme
by following your system theme and starting from version 6.7 Qt even uses
the ui style "windows11" by default which (also) has a dark theme. So you
end up with that style and dark theme if your system is set to dark. You
can avoid it by choosing a different ui style, which does not have a dark
theme, in the preferences -> user interface -> user interface style. The
only style *without* dark theme is "windowsvista" though, it was the
default style on Windows in Qt versions pre 6.7. I usually compile with the
newest Qt version for Windows, so LyX 2.4.0 and newer uses Qt version 6.7
and newer so that is why you get the dark theme now.
-- 
  Eugene
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