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52 lines
1.1 KiB
Lua
52 lines
1.1 KiB
Lua
local WidgetContainer = require("ui/widget/container/widgetcontainer")
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--[[
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A Layout widget that puts objects above each other
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--]]
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local OverlapGroup = WidgetContainer:new{
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_size = nil,
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}
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function OverlapGroup:getSize()
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if not self._size then
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self._size = {w = 0, h = 0}
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self._offsets = { x = math.huge, y = math.huge }
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for i, widget in ipairs(self) do
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local w_size = widget:getSize()
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if self._size.h < w_size.h then
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self._size.h = w_size.h
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end
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if self._size.w < w_size.w then
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self._size.w = w_size.w
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end
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end
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end
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if self.dimen.w then
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self._size.w = self.dimen.w
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end
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if self.dimen.h then
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self._size.h = self.dimen.h
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end
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return self._size
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end
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function OverlapGroup:paintTo(bb, x, y)
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local size = self:getSize()
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for i, wget in ipairs(self) do
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local wget_size = wget:getSize()
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if wget.align == "right" then
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wget:paintTo(bb, x+size.w-wget_size.w, y)
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elseif wget.align == "center" then
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wget:paintTo(bb, x+math.floor((size.w-wget_size.w)/2), y)
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else
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-- default to left
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wget:paintTo(bb, x, y)
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end
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end
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end
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return OverlapGroup
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