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42 lines
989 B
Lua
42 lines
989 B
Lua
--[[--
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A progress bar.
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Set the widget's `value` property to a decimal value
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between 0 and 1 (inclusive) to change the width of the bar.
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@widget progress
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--]]--
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return function (self)
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self.value = self.value or 0
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local pad = self:addChild {
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width = 0,
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}
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local bar = self:addChild {
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type = 'progress.bar',
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}
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self:onChange(function ()
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self:reshape()
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end)
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self:onReshape(function ()
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local x1, y1, w, h = self:getRectangle(true, true)
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local x2, y2 = x1 + w, y1 + h
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if self.flow == 'x' then
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local min = bar.minwidth or 0
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x1 = x1 + min
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bar.width = self.value * (x2 - x1) + min
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bar.height = false
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pad.height = 0
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else
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local min = bar.minheight or 0
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y1 = y1 + min
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bar.width = false
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bar.height = false
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pad.height = math.ceil(h - (self.value * (y2 - y1) + min))
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end
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end)
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end
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