Refactored to use strictly locals

frontend/ui/widget/progresswidget.lua

@@ -0,0 +1,37 @@
+local Widget = require("ui/widget/widget")
+
+--[[
+ProgressWidget shows a progress bar
+--]]
+local ProgressWidget = Widget:new{
+	width = nil,
+	height = nil,
+	margin_h = 3,
+	margin_v = 1,
+	radius = 2,
+	bordersize = 1,
+	bordercolor = 15,
+	bgcolor = 0,
+	rectcolor = 10,
+	percentage = nil,
+}
+
+function ProgressWidget:getSize()
+	return { w = self.width, h = self.height }
+end
+
+function ProgressWidget:paintTo(bb, x, y)
+	local my_size = self:getSize()
+	bb:paintRoundedRect(x, y, my_size.w, my_size.h, self.bgcolor, self.radius)
+	bb:paintBorder(x, y, my_size.w, my_size.h,
+					self.bordersize, self.bordercolor, self.radius)
+	bb:paintRect(x+self.margin_h, y+self.margin_v+self.bordersize,
+				(my_size.w-2*self.margin_h)*self.percentage,
+				(my_size.h-2*(self.margin_v+self.bordersize)), self.rectcolor)
+end
+
+function ProgressWidget:setPercentage(percentage)
+	self.percentage = percentage
+end
+
+return ProgressWidget