33 lines
356 B
Ruby
33 lines
356 B
Ruby
require "set"
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require "widget"
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class Window
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include Widget
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@windows = Set.new
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class << self
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def register(window)
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@windows << window
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end
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def remove(window)
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@windows.delete(window)
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end
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end
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def initialize
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Window.register(self)
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super
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end
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def close
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Window.remove(self)
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end
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def render
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end
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end
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