add mouseover fallback when tooltips not available

Extensions/Mouseover/GameTooltip.lua

@@ -6,8 +6,7 @@ local _G = _G or getfenv(0)
 local CleveRoids = _G.CleveRoids or {}
 local Extension = CleveRoids.RegisterExtension("GameTooltipMouseover")
 
-local lastUnit, setByTooltip = nil, false
-
+-- Tooltip-based mouseover (lowest priority fallback)
 function Extension.SetUnit(_, unit)
   if unit and unit ~= "" then
     CleveRoids.SetMouseoverFrom("tooltip", unit)
@@ -18,11 +17,21 @@ function Extension.OnClose()
   CleveRoids.ClearMouseoverFrom("tooltip")
 end
 
+-- Native UPDATE_MOUSEOVER_UNIT handler (priority 2)
+-- This works even when tooltips are hidden by other addons
+function Extension.UPDATE_MOUSEOVER_UNIT()
+  if UnitExists("mouseover") then
+    CleveRoids.SetMouseoverFrom("native", "mouseover")
+  else
+    CleveRoids.ClearMouseoverFrom("native")
+  end
+end
 
 function Extension.OnLoad()
   Extension.HookMethod(_G["GameTooltip"], "SetUnit", "SetUnit")
   Extension.HookMethod(_G["GameTooltip"], "Hide", "OnClose")
   Extension.HookMethod(_G["GameTooltip"], "FadeOut", "OnClose")
+  Extension.RegisterEvent("UPDATE_MOUSEOVER_UNIT", "UPDATE_MOUSEOVER_UNIT")
 end
 
 _G["CleveRoids"] = CleveRoids

Utility.lua

@@ -248,6 +248,7 @@ do
   local PRIORITY = {
     pfui    = 3,
     blizz   = 3,
+    native  = 2,
     tooltip = 1,
   }