Digikam/KDE in Fedora 16 switching UI theme on its own ?

Posted: April 3rd, 2012 | Filed under: Fedora, Photography | Tags: , , , | 3 Comments »

I use the wonderful Digikam application for managing my photos on Fedora 16. I don’t mind that I’m running a KDE based application under GNOME shell, since it themes itself to match & its featureset easily beats any other open source desktop photo management application. Normally the UI theme when running Digikam under GNOME looks like this:

Normal Digikam Theme under GNOME

And then a strange thing happened last week. When I launched Digikam on my laptop the UI style suddenly changed to this:

Notice in particular the different tree view expander icons and the different scrollbars. More interestingly though, the overall UI felt more responsive when interacting with Digikam. Next time I launched Digikam, it was back to the “normal” GNOME compatible theme. Wierd. And now just last night the same behaviour occurred on my other laptop – Digikam launched in a different theme, but upon restart, went back to the original theme. WTF ?

I tried playing with the ‘Themes’ menu in Digikam itself and all I can change is the colour scheme, not the widget styling. Trying  to change the KDE application theme in KDE Control Center had precisely zero effect on the Digikam theme.

Can anyone explain this behaviour ? Is there some trick to controlling KDE application themes when running under GNOME on Fedora 16 ? Most importantly how I can get back this alternative Digikam theme? I really liked how responsive it felt to interact with, compared to the standard GNOME-like theme.


3 Responses to “Digikam/KDE in Fedora 16 switching UI theme on its own ?”

  1. Kevin Kofler says:

    “This alternative Digikam theme” is the Oxygen theme, the default inside KDE Plasma sessions. Normally, it should not get picked by default outside of KDE Plasma, however setting it explicitly in KDE System Settings should make it used by KDE applications.

  2. Kevin Kofler says:

    PS: There’s also a command-line override:
    digikam –style oxygen

  3. Daniel Berrange says:

    @Kevin: thanks very much, using digikam -style oxygen did the trick to get it back

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