Popups can now be limited to 1

code/modules/client/client defines.dm

@@ -19,6 +19,8 @@
 	var/area			= null
 	var/time_died_as_mouse = null //when the client last died as a mouse
 
+	var/typing = FALSE // Prevents typing window stacking
+
 	var/adminhelped = 0
 
 	var/gc_destroyed //Time when this object was destroyed.

code/modules/client/preference/preferences_toggles.dm

@@ -231,3 +231,15 @@
 	else
 		to_chat(usr, "<span class='notice'>You have enabled karma gains.")
 	return
+
+/client/verb/toggle_popup_limiter()
+	set name = "Toggle Text Popup Limiter"
+	set category = "Preferences"
+	set desc = "Will let you limit the text input popups to one at a time."
+	prefs.toggles ^= TYPING_ONCE
+	prefs.save_preferences(src)
+	if(prefs.toggles & TYPING_ONCE)
+		to_chat(usr, "<span class='notice'>You have enabled text popup limiting.")
+	else
+		to_chat(usr, "<span class='notice'>You have disabled text popup limiting.")
+	return