mouseover: introducing mouseover casts

modules/mouseover.lua

@@ -0,0 +1,24 @@
+pfUI:RegisterModule("mouseover", function ()
+  pfUI.uf.mouseover = CreateFrame("Frame", "pfMouseOver", UIParent)
+
+  SLASH_PFCAST1, SLASH_LPFCAST2 = "/pfcast", "/pfmouse"
+  function SlashCmdList.PFCAST(msg, editbox)
+    local oldt = true
+    local unit = "mouseover"
+    if not UnitExists(unit) then
+      local frame = GetMouseFocus()
+      if frame.label and frame.id then
+        unit = frame.label .. frame.id
+      else
+        return
+      end
+    end
+
+    if UnitIsUnit("target", unit) then oldt = nil end
+
+    TargetUnit(unit)
+    CastSpellByName(msg)
+
+    if oldt then TargetLastTarget() end
+  end
+end)