Calculate item width from the current settings and cursor position.
Resolved item width in pixels after applying the current item-width stack and available space.
width of item given pushed settings and current cursor position.
NOT necessarily the width of last item unlike most 'Item' functions.
Icons made by Lorc, Delapouite & Skoll · game-icons.net · CC BY 3.0
Calculate item width from the current settings and cursor position.