+void enter_notify(xcb_generic_event_t *);
+void motion_notify(xcb_generic_event_t *);
+void handle_state(monitor_t *, desktop_t *, node_t *, xcb_atom_t, unsigned int);
+void grab_pointer(pointer_action_t);
+void track_pointer(int, int);
+void ungrab_pointer(void);