void update_input_focus(void);
void set_input_focus(node_t *n);
void clear_input_focus(void);
-void center_pointer(monitor_t *m);
+void center_pointer(xcb_rectangle_t r);
void get_atom(char *name, xcb_atom_t *atom);
void set_atom(xcb_window_t win, xcb_atom_t atom, uint32_t value);
bool has_proto(xcb_atom_t atom, xcb_icccm_get_wm_protocols_reply_t *protocols);