— Window Hook: configure-request-hook

Called when an X ConfigureRequest event is received. In addition to the window, the hook is called with an association list of configure request properties. This alist may contain items (stack . above), (stack . below), (position . coordinates), and (dimensions . dimensions).

— Window Hook: property-notify-hook

Called whenever an X window property (not a Sawfish window property) changes. In addition to the window, the hook is called with the atom name and one of the symbols new-value or deleted.

— Window Hook: window-state-change-hook

Called whenver certain window manager hints change for a window. Currently only urgency is monitored. The hint is an additional argument to the hook.