29 lines
834 B
Lua
29 lines
834 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.offset.x + (self.size.x - self.child.size.x) / 2,
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self.offset.y + (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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