29 lines
832 B
Lua
29 lines
832 B
Lua
local Constraints = require "lib.simple_ui.core.constraints"
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local SingleChildElement = require "lib.simple_ui.core.single_child_element"
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--- @class Center : SingleChildElement
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local element = setmetatable({}, SingleChildElement)
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element.__index = element
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element.type = "Center"
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function element:layout()
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self._size_ = Vec3 { self._constraints_.maxWidth, self._constraints_.maxHeight }
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if not self._child_ then return end
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self._child_._constraints_ = Constraints(self._constraints_)
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self._child_:layout()
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self._child_._offset_ = Vec3 {
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(self._size_.x - self._child_._size_.x) / 2,
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(self._size_.y - self._child_._size_.y) / 2,
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}
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end
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--- @return Center
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--- @param values {child: UIElement?}
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function element:new(values)
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return SingleChildElement.new(self, values)
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end
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return element
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