[Feature Request]: Implementing Undo/Redo in the text editors

[nadment]

What would you like to happen?

Now that we have different SWT/RWT widgets for editing text, implement Undo/Redo in the text editors for SWT (not RWT).

I've created a common “StyledTextVar” class to avoid code duplication.

Issue Priority

Priority: 3

Issue Component

Component: Hop Gui