Hey sounds great, but your link and images does not work

You can use https://factoriobin.com/ instead

If you have that text field selected, pressing tab will move to the green slider, Pressing tab again selects the green text field.

This does not happen in my game, with default controls.

Then pressing tab twice selects the blue text field.

pressing twice does nothing.

It would be nice if ...

https://image.ibb.co/kykkPH/img.png

Hey, So I've always been annoyed by the lack of the ability to use the key "Tab" to switch between text fields.
especially when changing colours on trains or setting limits on chests/inventory, basically anywhere with a text field.

I hope and think it should ...