Some minor changes/additions.

modules/game_cooldown/cooldown.lua

@@ -9,6 +9,9 @@ contentsPanel = nil
 cooldownPanel = nil
 lastPlayer = nil
 
+cooldown = {}
+groupCooldown = {}
+
 function init()
   connect(g_game, { onGameStart = online,
                     onSpellGroupCooldown = onSpellGroupCooldown,
@@ -149,6 +152,14 @@ function updateCooldown(progressRect, duration)
   end
 end
 
+function isGroupCooldownIconActive(groupId)
+  return groupCooldown[groupId]
+end
+
+function isCooldownIconActive(iconId)
+  return cooldown[iconId]
+end
+
 function onSpellCooldown(iconId, duration)
   local icon = loadIcon(iconId)
   if not icon then
@@ -172,8 +183,10 @@ function onSpellCooldown(iconId, duration)
   end
   local finishFunc = function()
     removeCooldown(progressRect)
+    cooldown[iconId] = false
   end
   initCooldown(progressRect, updateFunc, finishFunc)
+  cooldown[iconId] = true
 end
 
 function onSpellGroupCooldown(groupId, duration)
@@ -194,7 +207,9 @@ function onSpellGroupCooldown(groupId, duration)
     end
     local finishFunc = function()
       turnOffCooldown(progressRect)
+      groupCooldown[groupId] = false
     end
     initCooldown(progressRect, updateFunc, finishFunc)
+    groupCooldown[groupId] = true
   end
 end

modules/game_interface/gameinterface.lua

@@ -357,7 +357,7 @@ function onUseWith(clickedWidget, mousePosition)
   if clickedWidget:getClassName() == 'UIGameMap' then
     local tile = clickedWidget:getTile(mousePosition)
     if tile then
-      if selectedThing:isFluidContainer() then
+      if selectedThing:isFluidContainer() or selectedThing:isMultiUse() then
         g_game.useWith(selectedThing, tile:getTopMultiUseThing())
       else
         g_game.useWith(selectedThing, tile:getTopUseThing())
@@ -590,7 +590,8 @@ function createThingMenu(menuPosition, lookThing, useThing, creatureThing)
       menu:addSeparator()
       for name,opt in pairs(category) do
         if opt and opt.condition(menuPosition, lookThing, useThing, creatureThing) then
-          menu:addOption(name, opt.callback, opt.shortcut)
+          menu:addOption(name, function() opt.callback(menuPosition, 
+            lookThing, useThing, creatureThing) end, opt.shortcut)
         end
       end
     end
@@ -677,6 +678,7 @@ function processMouseAction(menuPosition, mouseButton, autoWalkPos, lookThing, u
     end
   end
 
+
   local player = g_game.getLocalPlayer()
   player:stopAutoWalk()