mirror of
https://github.com/koreader/koreader
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28 lines
819 B
Lua
28 lines
819 B
Lua
--[[--
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CenterContainer centers its content (1 widget) within its own dimensions
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--]]
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local WidgetContainer = require("ui/widget/container/widgetcontainer")
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local CenterContainer = WidgetContainer:new()
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function CenterContainer:paintTo(bb, x, y)
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local content_size = self[1]:getSize()
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-- FIXME
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-- if content_size.w > self.dimen.w or content_size.h > self.dimen.h then
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-- throw error? paint to scrap buffer and blit partially?
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-- for now, we ignore this
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-- end
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local x_pos = x
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local y_pos = y
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if self.ignore ~= "height" then
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y_pos = y + math.floor((self.dimen.h - content_size.h)/2)
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end
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if self.ignore ~= "width" then
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x_pos = x + math.floor((self.dimen.w - content_size.w)/2)
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end
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self[1]:paintTo(bb, x_pos, y_pos)
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end
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return CenterContainer
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