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koreader/frontend/ui/widget/progress.lua
2013-03-13 01:18:53 +08:00

40 lines
865 B
Lua

require "ui/widget/base"
--[[
ProgressWidget shows a progress bar
--]]
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