How to be able to access change objects' states already created within my XIB file

[leifadev]

Describe the bug
Cannot find a solution or way to use my viewcontroller or other methods to be able to change the state of UI elements such as NSComboBox, etc. (besides just Text Labels)

Platform information

• Python version
  3.9
• How was python installed (python.org, anaconda, homebrew, ...)
  homebrew
• macOS version
  10.15.7

To Reproduce
Have my XIB file, to be able to have it's elements referenced and used/states changed from my code (e.g. WindowController.py)

Expected behavior
Can change the state of certain things such as within a ComboBox (NSComboBox) it's available options (objectValues or addItems:(withObjectValues)) from my code or python files. However I haven't found out a way to do this as I explain in more detail below.

In this stackoverflow thread it's said (from Objective-C's drag and drop IBOutlet in to code perspective), that to change the states you just need the Files Owner object to change the states, but I can't seem to accomplish that, to me that means being able to for example change the value of a NSSlider etc.

I think it's different using a scratch project in Xcode with PyObj-C for me, so I am asking here now, I have searched a lot for answers or solutions to figure out how to access already created XIB elements, but so far I haven't been able to see a method that returns the object in the XIB from NSView or AppKit or something.

Additional context
If I can't really do this, how can I find the already existing coordinates for my UI elements in my XIB file via xcode so I can add them all in my scripts so there instantiated there so I don't need to try to access anything outside

[leifadev]

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