Dne po 13. srpna 2018 Marvin Jones napsal(a):
> On Sun, 12 Aug 2018, Marvin Jones wrote:
> >I am building a new workstation -- running Ubuntu 16.04 -- to
> >replace an old and failing workstation.  I used the TDE ISO
> >to get 'things' started.
> >
> >Several of my programs are displaying in a weird window format.
> >(I am not sure if attachments are permitted, but)
> >Attached are a couple of examples
> >
> >Display_OK.png
> >---  is a    zenity --info --title=Display_OK --text="Hello World"
> >running on my "failing" workstation.
> >
> >Display_snafu.png
> >---  is the same   zenity --info --title=Display_OK --text="Hello
> > World" running on the new workstation.
> >
> >Bluefish_snafu.png
> >---  is bluefish running on the new workstation.
> >
> >I see the same for the AisleRiot solitaire program.
> >
> >No doubt it is something "simple", but nothing comes to mind.
>
> OBTW, it's Trinity 14.0.5 ...
>
> I now see some error/diagnostic messages I did not see before:
>
> $ zenity --info --title=Display_snafu --text="Hello World"
>
> (zenity:20714): Gtk-WARNING **: Theme parsing error: gtk.css:4:14:
> Theming engine 'tdegtk' not found
> Gtk-Message: GtkDialog mapped without a transient parent. This is
> discouraged.
>
> Well,
> $ locate tdegtk
> /usr/lib/gtk-3.0/3.0.0/theming-engines/libtdegtk.la
> /usr/lib/gtk-3.0/3.0.0/theming-engines/libtdegtk.so
> /usr/lib/gtk-3.0/3.0.0/theming-engines/libtdegtk.so.0
> /usr/lib/gtk-3.0/3.0.0/theming-engines/libtdegtk.so.0.0.0
> /usr/share/themes/tdegtk
> /usr/share/themes/tdegtk/gtk-3.0
> /usr/share/themes/tdegtk/gtk-3.0/gtk.css
>
> OK --  Now I'm definitely in an area where I have no knowledge or
> experience.
>
> How do I fix this?
>
> Thanks in advance,
> Jonesy

Hi Jonesy,

you can try to create a symlink for files 
from /usr/lib/gtk-3.0/3.0.0/theming-engines/ 
to /usr/lib/x86_64-linux-gnu/gtk-3.0/3.0.0/theming-engines/ ?

Cheers
-- 
Slávek