Reposition child on padding resize

gfx/padding.lua

@@ -8,13 +8,17 @@ local Padding = Element:new{
     element = nil
 }
 
+function Padding:_repositionElement()
+  self.element:setPos(self:getPaddingLeft() + 1, self:getPaddingTop() + 1)
+  self:resize{
+    width = self:getWidth(),
+    height = self:getHeight()
+  }
+end
+
 function Padding:new(opts)
   local obj = Element.new(self, opts)
-  obj.element:setPos(obj:getPaddingLeft() + 1, obj:getPaddingTop() + 1)
-  obj:resize{
-    width = obj:getWidth(),
-    height = obj:getHeight()
-  }
+  obj:_repositionElement()
   obj.element:setParent(obj:_getWindow())
   return obj
 end
@@ -77,6 +81,7 @@ function Padding:setPadding(opts)
 
   if changed then
     self:_reload()
+    self:_repositionElement()
   end
 end