Equal-width columns in window order. Minimised windows are left out.
Gap between windows and margin at the container edge.
A LayoutStrategy.
LayoutStrategy
createColumnsLayout().arrange(windows, container)[0]?.rect.x; // 0 Copy
createColumnsLayout().arrange(windows, container)[0]?.rect.x; // 0
Equal-width columns in window order. Minimised windows are left out.