Switch the config dir via environment variable
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Is it possible? I mean, i have custom colors set up in my ~/.config/Trolltech.conf, but some apps behave badly because either they are mixing up the system and app-specified colors or it's impossible to set some colors via qtconfig (so i get stuff like black on black or white on white). So i'd love to be able to supply the default configuration file for those apps, like i do on gtk via GTK2_RC_FILES.
