Handle child events in reverse order

gfx/prop/children.lua

@@ -10,6 +10,16 @@ function Children:with(elementType)
     return ipairs(self:_children())
   end
 
+  function elementType:_iterateChildrenReversed()
+    local children = self:_children()
+    return function(tbl, idx)
+      if idx < 1 then
+        return nil, nil
+      end
+      return idx - 1, tbl[idx]
+    end, children, #children
+  end
+
   function elementType:_children()
     return propSelf:getState(self)
   end
@@ -114,7 +124,7 @@ function Children:with(elementType)
   end
 
   function elementType:findChildById(id)
-    for _,child in self:_iterateChildren() do
+    for _,child in self:_iterateChildrenReversed() do
       local result = child:findById(id)
       if result then
           return result
@@ -132,13 +142,13 @@ function Children:with(elementType)
         return false
       end
 
-      for _,child in self:_iterateChildren() do
+      for _,child in self:_iterateChildrenReversed() do
         if child:handleEvent(evtLocalCoords) then
           return true
         end
       end
     else
-      for _,child in self:_iterateChildren() do
+      for _,child in self:_iterateChildrenReversed() do
         if child:handleEvent(evtLocalCoords) then
           return true
         end