--- a/ObjectiveTracker/Widgets.lua	Sun Apr 17 00:21:45 2016 -0400
+++ b/ObjectiveTracker/Widgets.lua	Sun Apr 17 11:07:48 2016 -0400
@@ -444,4 +444,53 @@
 end
 T.UpdateWidget.Hidden = function (self)
   self.height=  0
+end
+
+
+--- Queue any active item buttons for update for that frame
+local iprint = B.print('ItemButton')
+local Quest = T.Quest
+local IsQuestWatched, InCombatLockdown = IsQuestWatched, InCombatLockdown
+T.UpdateActionButtons = function(updateReason)
+  local print = iprint
+  Scroller.snap_upper = 0
+  Scroller.snap_lower = 0
+  local print = B.print('ItemButton')
+  if updateReason then
+    print = B.print('IB_'..updateReason)
+  end
+
+  local previousItem
+  for questID, itemButton in pairs(Quest.itemButtons) do
+    local info= T.Quest.Info[questID]
+
+    print('|cFF00FFFF'.. questID .. '|r', itemButton:GetName())
+    local block = T.Quest.QuestBlock[questID]
+    if block then
+      -- Dispatch the probe
+      if IsQuestWatched(info.logIndex) then
+        itemButton.previousItem = previousItem
+        print('  |cFFFFFF00probing', block:GetName())
+        block:SetScript('OnUpdate', function()
+          if block:GetBottom() and not InCombatLockdown() then
+            print('  '..block:GetName()..' |cFF00FF00probe hit!')
+            T.UpdateBlockAction(block, itemButton, itemButton.previousItem) -- needs to be previousItem from this scope
+            block:SetScript('OnUpdate', nil)
+
+          end
+        end)
+        previousItem = itemButton
+      else
+        print('hidden block or unwatched quest')
+        itemButton.previousItem = nil
+        itemButton:Hide()
+      end
+    elseif itemButton:IsVisible() then
+      print('  |cFFFF0088hiding unwatched quest button', itemButton:GetName())
+      itemButton.previousItem = nil
+      itemButton:Hide()
+    else
+      print('  |cFFBBBBBBignoring hidden log quest button', itemButton:GetName())
+    end
+  end
 end
\ No newline at end of file