Push the width used by subsequent item-and-label widgets.
item_width
Width in pixels for framed items; 0 uses the default, negative values align to the right edge (use -FLT_MIN for right alignment).
push width of items for common large "item+label" widgets.
0.0: width in pixels, <0.0 align xx pixels to the right of window (so -FLT_MIN always align width to the right side).
Icons made by Lorc, Delapouite & Skoll · game-icons.net · CC BY 3.0
Push the width used by subsequent item-and-label widgets.