Keyboard Layout

You need to be able to set your keyboard layout early on, before being able to “try” or use any screen with a keyboard input. Since it’s mentally related to language, we put it immediately after.

Currently, Ubiquity shows two columns, the top-level and the specific layout. It also shows an entry to test the layout, plus a “Detect Keyboard Layout” button that spawns a dialog to have you press a bunch of keys to determine the layout (inherited from Debian installer).

At the very least, we need a method to choose a top-level and specific layout. We should choose the pre-selected layout based on the selected language.

If there are multiple valid sub-layouts, we append an ellipsis (…) to the row and use a stack switcher to show them, along with a back button to go back and choose a different top-level layout. If there is only one valid layout, we just select it without using the stack switcher.

Below the layouts, we provide an entry to test the currently-selected layout, along with a button to preview the layout visually.