55 lines
1.2 KiB
Ruby
55 lines
1.2 KiB
Ruby
# frozen_string_literal: true
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module Curses
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module React
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class Component
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def initialize(parent)
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self.parent = parent
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@props = {}.freeze
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end
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def props=(value)
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raise TypeError, "expected props to be a #{Hash}" unless value.is_a? Hash
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raise ArgumentError, 'expected props to be frozen' unless value.frozen?
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@window = nil if props[:x] != value[:x] || props[:y] != value[:y] ||
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props[:width] != value[:width] || props[:height] != value[:height]
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@props = value
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end
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def trigger(event); end
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def draw
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render
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window.refresh
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end
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private
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attr_reader :parent, :props
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def parent=(value)
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return if value.nil?
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raise TypeError, "expected #parent to be a #{Component}" unless value.is_a? Component
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@parent = value
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end
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def window
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@window ||= parent&.subwin(props[:x], props[:y], props[:width], props[:height]) || Curses.stdscr
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end
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def render
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raise NotImplementedError, "#{self.class}#render"
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end
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def setpos(x, y)
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window.setpos y, x
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end
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def addstr(s)
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window.addstr s
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end
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end
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end
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end
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