On Monday 30 April 2018 01:47:23 Jan Stolarek wrote:
> > TDE is using dbus in very limited fashion, so my bet is, that it is not
> > relevant to the input methods at all, while ibus seems to be using dbus
> > extensively. it might be that GTK or KDE4 by having dbus integrated, may
> > work also with ibus
>
> My understanding so far was that this is toolkit-dependent
> (GTK2/GTK3/Qt3/Qt4) and independent of DBus. In other words, there needs to
> be a library that would provide Qt3 support for IBus.
>
> Thanks for replies everyone. I take it that the problem cant be solved
> without writing a library for this.
>
> Janek
>
On the Devuan pages, there is a sort of sub-group who want to stop using dbus. 
Just like they want to get rid of systemd, so they also don't like dbus. 

I don't know anything more about it, but perhaps you could look into this? 

Bill