BR: ListBox::setEnabled(false) doesn't disable the ListBox

ListBox::setEnabled(false) doesn’t disable the ListBox. It still has keyboard focus and the keys still work.

Code:

I think the same applies to ComboBox, TreeView, Viewport, and Scrollbar. The ListBox also responds to the scrollwheel when disabled.

I’ve pushed some fixes for these enablement issues, please let me know if they resolve the bugs you were seeing: