Support simple focusing of items with mouse and Tab key #3
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This adds basic support for TAB and SHIFT TAB cycling through focusable items in the flexbox, in a similar fashion to navigation in LinearLayout and FixedLayout. It also focuses items that are clicked with a mouse.
I've also updated the
simple_flexbox
example to demonstrate focusing and dynamic changes to the flexbox parameters.I've called this "basic"/"simple" as it only goes as far as top-level item focusing. I.e. it assumes each item is either focusable or not, rather than descending recursively through each to find any focusable controls. I'm not sure whether LinearLayout and FixedLayout do anything different though.