Preperation for spell action buttons

code/_onclick/hud/screen_objects.dm

@@ -41,6 +41,11 @@
 			S.close(usr)
 	return 1
 
+/obj/screen/power_action
+	var/obj/effect/proc_holder/spell/owner
+
+/obj/screen/power_action/Click()
+
 
 /obj/screen/item_action
 	var/obj/item/owner
@@ -67,6 +72,9 @@
 /mob/proc/update_action_buttons()
 	return
 
+/mob/proc/update_power_buttons()
+	return
+
 
 /obj/screen/grab
 	name = "grab"