「mikutter 3.6 で Twitter 投稿欄の残り文字数を 280文字対応にする修正 https://dev.mikutter.hachune.net/issues/1153 をモンキーパッチでしのぐプラグイン https://gist.github.com/tsutsui/5e9ceafa52ab6830257aaeeccdd77411 」の mikutter 3.7.2 対応版 （差分はこちらのプラグイン https://cobodo.hateblo.jp/entry/2018/06/11/mikutter_justsize_%E3%83%97%E3%83%A9%E3%82%B0%E3%82%A4%E3%83%B3%E3%81%8C_mikutter_3.7.2%E5%A…

remain_charcount_280.rb

# -*- coding: utf-8 -*-

# Usage:
# mkdir -p ~/.mikutter/plugin
# cp [this file] ~/.mikutter/plugin/remain_charcount_280.rb

# mon-chi!
class Gtk::PostBox
  def update_remain_charcount
    if not widget_post.destroyed?
      text = widget_post.buffer.text + UserConfig[:footer]
      tweet = Twitter::TwitterText::Validation.parse_tweet(text)
      remain = 280 - tweet[:weighted_length]
      @remain.set_text(remain.to_s) if not @remain.destroyed?
    end
  end
end

Plugin.create :remain_charcount_280 do
 # nothing?
end