When the user clicks the Enter key in your OutlineView, you'd like
the Save Action to become enabled, so that the Save button (and
Save menu item) can be clicked. For example, while the user is
changing something, as shown below, the Save button should not be
enabled:
However, once the user is happy with the change and confirms it
by pressing the Enter key, the Save button should be enabled, as
shown below:
How to do this? The Outline component, which provides the table
above,...
