Just package:xmonad-contrib

Adjusts the event mask to pick up pointer movements.

If True, a mouse click on an inactive window focuses it, but the click is not passed to the window. If False, the click is also passed to the window. Default True

Given a window, build an adjuster function that will reduce the given dimensions according to the window's border width and size hints.

Conditionally run an action, using a Maybe a to decide.

A whenJust that accepts a monoidal return value.