[MIRROR] next grep, no spaces (#10548)

Co-authored-by: Kashargul <144968721+Kashargul@users.noreply.github.com>

code/modules/nano/nanoexternal.dm

@@ -0,0 +1,44 @@
+// This file contains all Nano procs/definitions for external classes/objects
+
+/**
+ * Called when a Nano UI window is closed
+ * This is how Nano handles closed windows
+ * It must be a verb so that it can be called using winset
+ *
+ * @return nothing
+ */
+/client/verb/nanoclose(var/uiref as text)
+	set hidden = 1	// hide this verb from the user's panel
+	set name = "nanoclose"
+
+	var/datum/nanoui/ui = locate(uiref)
+
+	if (istype(ui))
+		ui.close()
+
+		if(ui.ref)
+			var/href = "close=1"
+			src.Topic(href, params2list(href), ui.ref)	// this will direct to the atom's Topic() proc via client.Topic()
+		else if (ui.on_close_logic)
+			// no atomref specified (or not found)
+			// so just reset the user mob's machine var
+			if(src && src.mob)
+				src.mob.unset_machine()
+
+/**
+ * The ui_interact proc is used to open and update Nano UIs
+ * If ui_interact is not used then the UI will not update correctly
+ * ui_interact is currently defined for /atom/movable
+ *
+ * @param user /mob The mob who is interacting with this ui
+ * @param ui_key string A string key to use for this ui. Allows for multiple unique uis on one obj/mob (defaut value "main")
+ * @param ui /datum/nanoui This parameter is passed by the nanoui process() proc when updating an open ui
+ * @param force_open boolean Force the UI to (re)open, even if it's already open
+ *
+ * @return nothing
+ */
+/datum/proc/ui_interact(mob/user, ui_key = "main", var/datum/nanoui/ui = null, var/force_open = 1, master_ui = null, var/datum/topic_state/state = default_state)
+	return
+
+// Used by the Nano UI Manager (/datum/nanomanager) to track UIs opened by this mob
+/mob/var/list/open_uis = list()