Apply colors to children of Progress

gfx/progress.lua

@@ -23,10 +23,19 @@ local Progress = Prop.attach(Element:new{
 }, Orientation, Orientation.VERTICAL)
 
 function Progress:new(o)
-  local obj = o or {}
+  local obj = Element.new(self, o or {})
   obj.active = BlankElement:new()
   obj.inactive = BlankElement:new()
-  return Element.new(self, obj)
+  obj:_refreshColors()
+  return obj
+end
+
+function Progress:setFgColor(color)
+  self.active:setFgColor(color)
+end
+
+function Progress:setBgColor(color)
+  self.inactive:setFgColor(color)
 end
 
 function Progress:_updateProgress()
@@ -52,6 +61,13 @@ function Progress:_updateProgress()
     }
     self.inactive:setX(self.active:setX() + self.active:getWidth())
   end
+
+  self:_refreshColors()
+end
+
+function Progress:_refreshColors()
+  self:setFgColor(self:getFgColor())
+  self:setBgColor(self:getBgColor())
 end
 
 function Progress:setProgress(progress)