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The default settings for the installation of tkeclipse are unusable.

What I see get is this:

enter image description here

Also,

enter image description here

I looked thru the menu choices and there is no option there to make required changes.

Which file (or files) control the colour assignments and could be edited to improve the GUI appearance/usability ?

Version that I have installed:

enter image description here

Edit (response to Answer)

The result of the sequence that was provided is the following, which is unusable:

enter image description here

Edit 2 in response to Answer

I had tried that before posting. That serves no useful purpose. The result is shown here.

Preference Editor offers no help

Notable, it had no impact on the Directory Change pop-up either, so there must be some configuration files, for either tkEclipse or TclTk itself which would allow me to change the defaults. Is there at "tweak" tool, like for GNOME Tweak that would manage the TclTk preferences for various colours?

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1 Answer 1

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I can only imagine that this is caused by your desktop environment using some kind of "dark" mode/theme. Normally, all text in tkeclipse is black.

To check whether the problem is with the underlying Tcl/Tk toolkit, try from a shell:

$ wish
% tk_chooseDirectory

This should pop up a readable directory chooser, but apparently doesn't in your environment. I think this is because some "theme" setting of your desktop changes the default colours for Tk applications, leading to non-contrasting fore/background combinations. Changing your desktop theme might help.

What you can try from within tkeclipse itself is to open Tools/TkECLiPSe Preference Editor and set a Default background colour for widgets. Something light, e.g. lightgrey or azure will probably work best.

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  • Updated original question with output of suggested commands.
    – Eric Marceau
    Commented Sep 30, 2022 at 19:04
  • Does the content of /usr/share/tcltk/tk8.6/ttk/ act as a global override for tcltk, including tkeclipse ? Or can I tell tkeclipse to use one of the defined themes ?
    – Eric Marceau
    Commented Oct 1, 2022 at 2:25
  • @Eric I can't reproduce the effect you are having, and haven't seen it anywhere else. Changing background colour works perfectly for me, it even automatically selects a contrasting text colour, including for the directory chooser. To further investigate, please contact me via the email given at eclipseclp.org/bugs.html
    – jschimpf
    Commented Oct 1, 2022 at 9:54

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