qm to replace katmouse

[_pi]

The prime purpose of the KatMouse utility is to enhance the functionality of mice with a scroll wheel, offering 'universal' scrolling: moving the mouse wheel will scroll the window directly beneath the mouse cursor (not the one with the keyboard focus, which is default on Windows OSes). IMO this is a major increase in the usefullness of the mouse wheel.

what is the best way to do this with qm ?

i have two filters for mouse wheel up and down, but they work only when
the window is active.