[WIP]ニュースを右から左に流すやつ

gistfile1.rb

require 'user_stream'
require 'curses'
require 'thread'
require 'pry'

class Text
  def initialize(x, body)
    @x = x
    @body = body
  end
  attr_accessor :x, :body
end

class Screen
  include Curses

  def initialize
    @buffer = Queue.new
    @texts = {}
  end

  def add(text)
    @buffer.push(text) if @buffer.size < 100
  end

  def run
    begin
      init_screen
      curs_set 0
      while true

        clear

        (0...lines).each do |row|
          next if @texts[row] || @buffer.empty?
          @texts[@texts.size] = Text.new(cols, @buffer.pop)
        end

        @texts.keys.each { |row|
          text = @texts[row]
          text.x -= 2

          if text.x + text.body.length < 0
            @texts.delete row
            nil
          else
            if text.x > 0
              setpos(row, text.x)
            else
              setpos(row, 0)
            end

            str = text.body[0 ... (cols - text.x)/2]
            str = str[- text.x..-1] if text.x < 0

            stdscr << str
            [row, text]
          end
        }

        refresh
        sleep 0.1
      end
    ensure
      close_screen
    end
  end
end

screen = Screen.new

Thread.new do
  UserStream.configure do |config|
    config.consumer_key       = ''
    config.consumer_secret    = ''
    config.oauth_token        = ''
    config.oauth_token_secret = ''
  end

  client = UserStream.client

  client.filter(track: 'ニュース') do |status|
  # client.sample do |status|
    screen.add "#{status.text.gsub(/[\r\n]/," ")}" if status.text
  end
end

screen.run