We close his chapter with a quick walk-through control navigation, or the ability to change focus from one interactable control to another using the keyboard.
Note
At the time of writing, tabbing between controls is not supported. Selectable's are only navigated between each other using direction keys (up, down, left, and right); there is no Control order to tab through. You could of course write your own system (for which there is an example in Chapter 6, Working with the UI Source ).
As we have seen in many of the inspector screenshots earlier in this chapter, most controls come with built-in Navigation behavior properties including a button called Visualize to view the navigation in the editor, as shown here:
Note
Note: Navigation features are limited to those UI controls that implement the Selectable component, be it the built-in controls such as buttons, sliders, toggles, and so on, or those controls you build yourself.
By default (automatic), Unity will navigate from control to...