533 lines
13 KiB
Ruby
533 lines
13 KiB
Ruby
# frozen_string_literal: true
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require 'tox'
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require 'thread'
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require 'faker'
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require 'screen'
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class Main
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SAVEDATA_FILENAME = File.expand_path '../savedata', __dir__
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def self.inherited(_base)
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raise "#{self} is final"
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end
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def self.mutex
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(@mutex ||= Mutex.new).tap { freeze }
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end
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def initialize
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raise "#{self.class} is singleton" unless self.class.mutex.try_lock
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call
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end
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private
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def call
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tox_options = Tox::Options.new
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tox_options.savedata = File.binread SAVEDATA_FILENAME if File.exist? SAVEDATA_FILENAME
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@tox_client = Tox::Client.new tox_options
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on_friends_load @tox_client.friends
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@tox_client.on_iteration(&method(:on_iteration))
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@tox_client.on_friend_request(&method(:on_friend_request))
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@tox_client.on_friend_message(&method(:on_friend_message))
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@tox_client.on_friend_name_change(&method(:on_friend_name_change))
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@tox_client.on_friend_status_message_change(&method(:on_friend_status_message_change))
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@tox_client.on_friend_status_change(&method(:on_friend_status_change))
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@screen = Screen.new
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Style.default = Style.new
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@tox_client.run
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ensure
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@screen&.close
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File.binwrite SAVEDATA_FILENAME, @tox_client.savedata if @tox_client
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end
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#################
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# Tox callbacks #
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#################
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def on_iteration
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@screen.poll
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@screen.props = state
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@screen.render
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end
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def on_friends_load(friends)
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@state = state.merge(
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active_friend_index: friends.empty? ? nil : 0,
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friends: friends.map do |friend|
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[
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friend.number,
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public_key: friend.public_key.to_hex.freeze,
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name: friend.name.freeze,
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status: friend.status,
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status_message: friend.status_message.freeze,
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history: [].freeze,
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new_message: {
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text: '',
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cursor_pos: 0,
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}.freeze,
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]
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end.to_h.freeze,
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).freeze
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end
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def on_friend_request(public_key, _text)
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friend = @tox_client.friend_add_norequest public_key
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@state = state.merge(
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active_friend_index: state[:active_friend_index] || state[:friends].count,
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friends: state[:friends].merge(
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friend.number => {
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public_key: friend.public_key.to_hex.freeze,
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name: friend.name.freeze,
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status: friend.status,
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status_message: friend.status_message.freeze,
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history: [].freeze,
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new_message: {
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text: '',
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cursor_pos: 0,
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}.freeze,
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}.freeze,
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).freeze,
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).freeze
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end
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def on_friend_message(friend, text)
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@state = state.merge(
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friends: state[:friends].merge(
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friend.number => state[:friends][friend.number].merge(
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history: (state[:friends][friend.number][:history] + [
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out: false,
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time: Time.now.utc.freeze,
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name: friend.name.freeze,
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text: text.freeze,
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]).freeze,
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).freeze,
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).freeze,
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).freeze
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end
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def on_friend_name_change(friend, name)
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@state = @state.merge(
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friends: state[:friends].merge(
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friend.number => state[:friends][friend.number].merge(
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name: name.freeze,
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).freeze,
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).freeze,
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).freeze
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end
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def on_friend_status_message_change(friend, status_message)
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@state = @state.merge(
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friends: state[:friends].merge(
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friend.number => state[:friends][friend.number].merge(
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status_message: status_message.freeze,
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).freeze,
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).freeze,
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).freeze
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end
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def on_friend_status_change(friend, status)
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@state = @state.merge(
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friends: state[:friends].merge(
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friend.number => state[:friends][friend.number].merge(
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status: status,
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).freeze,
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).freeze,
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).freeze
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end
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####################
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# Screen callbacks #
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####################
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def on_window_left
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@state = state.merge(
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focus: :sidebar,
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sidebar: state[:sidebar].merge(
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focused: true,
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logo: state[:sidebar][:logo].merge(focused: state[:sidebar][:focus] == :logo).freeze,
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menu: state[:sidebar][:menu].merge(focused: state[:sidebar][:focus] == :menu).freeze,
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).freeze,
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chat: state[:chat].merge(
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focused: false,
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info: state[:chat][:info].merge(focused: false).freeze,
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new_message: state[:chat][:new_message].merge(focused: false).freeze,
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history: state[:chat][:history].merge(focused: false).freeze,
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).freeze,
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).freeze
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end
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def on_window_right
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@state = state.merge(
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focus: :chat,
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sidebar: state[:sidebar].merge(
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focused: true,
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logo: state[:sidebar][:logo].merge(focused: false).freeze,
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menu: state[:sidebar][:menu].merge(focused: false).freeze,
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).freeze,
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chat: state[:chat].merge(
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focused: false,
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info: state[:chat][:info].merge(focused: state[:chat][:focus] == :info).freeze,
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new_message: state[:chat][:new_message].merge(focused: state[:chat][:focus] == :new_message).freeze,
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history: state[:chat][:history].merge(focused: state[:chat][:focus] == :history).freeze,
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).freeze,
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).freeze
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end
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def on_menu_up
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return if state[:active_friend_index].nil?
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active_friend_index = state[:active_friend_index] + 1
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top = state[:sidebar][:menu][:top]
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if active_friend_index.negative?
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active_friend_index = state[:friends].count - 1
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elsif active_friend_index >= state[:friends].count
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active_friend_index = 0
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end
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if active_friend_index < top
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top = active_friend_index
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elsif active_friend_index >= top + state[:height]
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top = active_friend_index - state[:height] + 1
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end
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@state = state.merge(
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active_friend_index: active_friend_index,
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sidebar: state[:sidebar].merge(
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menu: state[:sidebar][:menu].merge(
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top: top,
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).freeze,
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).freeze,
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).freeze
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end
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def on_menu_down
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return if state[:active_friend_index].nil?
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active_friend_index = state[:active_friend_index] + 1
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top = state[:sidebar][:menu][:top]
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if active_friend_index.negative?
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active_friend_index = state[:friends].count - 1
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elsif active_friend_index >= state[:friends].count
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active_friend_index = 0
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end
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if active_friend_index < top
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top = active_friend_index
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elsif active_friend_index >= top + state[:height]
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top = active_friend_index - state[:height] + 1
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end
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@state = state.merge(
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active_friend_index: active_friend_index,
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sidebar: state[:sidebar].merge(
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menu: state[:sidebar][:menu].merge(
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top: top,
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).freeze,
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).freeze,
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).freeze
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end
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def on_new_message_putc(char)
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return if state[:active_friend_index].nil?
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friend_number = state[:friends].keys[state[:active_friend_index]]
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return if friend_number.nil?
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friend = state[:friends][friend_number]
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new_message = friend[:new_message]
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text = new_message[:text]
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cursor_pos = new_message[:cursor_pos]
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text = "#{text[0...cursor_pos]}#{char}#{text[cursor_pos..-1]}"
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cursor_pos += 1
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@state = state.merge(
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friends: state[:friends].merge(
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friend_number => friend.merge(
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new_message: new_message.merge(
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text: text,
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cursor_pos: cursor_pos,
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).freeze,
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).freeze,
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).freeze,
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).freeze
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end
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def on_new_message_left
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return if state[:active_friend_index].nil?
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friend_number = state[:friends].keys[state[:active_friend_index]]
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return if friend_number.nil?
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friend = state[:friends][friend_number]
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new_message = friend[:new_message]
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cursor_pos = new_message[:cursor_pos]
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cursor_pos -= 1
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cursor_pos = 0 if cursor_pos.negative?
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@state = state.merge(
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friends: state[:friends].merge(
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friend_number => friend.merge(
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new_message: new_message.merge(
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cursor_pos: cursor_pos,
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).freeze,
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).freeze,
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).freeze,
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).freeze
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end
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def on_new_message_right
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return if state[:active_friend_index].nil?
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friend_number = state[:friends].keys[state[:active_friend_index]]
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return if friend_number.nil?
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friend = state[:friends][friend_number]
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new_message = friend[:new_message]
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text = new_message[:text]
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cursor_pos = new_message[:cursor_pos]
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cursor_pos += 1
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cursor_pos = text.length if cursor_pos > text.length
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@state = state.merge(
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friends: state[:friends].merge(
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friend_number => friend.merge(
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new_message: new_message.merge(
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cursor_pos: cursor_pos,
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).freeze,
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).freeze,
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).freeze,
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).freeze
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end
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def on_new_message_home
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return if state[:active_friend_index].nil?
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friend_number = state[:friends].keys[state[:active_friend_index]]
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return if friend_number.nil?
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friend = state[:friends][friend_number]
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new_message = friend[:new_message]
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@state = state.merge(
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friends: state[:friends].merge(
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friend_number => friend.merge(
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new_message: new_message.merge(
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cursor_pos: 0,
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).freeze,
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).freeze,
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).freeze,
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).freeze
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end
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def on_new_message_end
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return if state[:active_friend_index].nil?
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friend_number = state[:friends].keys[state[:active_friend_index]]
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return if friend_number.nil?
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friend = state[:friends][friend_number]
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new_message = friend[:new_message]
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@state = state.merge(
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friends: state[:friends].merge(
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friend_number => friend.merge(
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new_message: new_message.merge(
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cursor_pos: new_message[:text].length,
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).freeze,
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).freeze,
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).freeze,
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).freeze
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end
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def on_new_message_backspace
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return if state[:active_friend_index].nil?
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friend_number = state[:friends].keys[state[:active_friend_index]]
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return if friend_number.nil?
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friend = state[:friends][friend_number]
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new_message = friend[:new_message]
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text = new_message[:text]
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cursor_pos = new_message[:cursor_pos]
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return unless cursor_pos.positive?
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text = "#{text[0...(cursor_pos - 1)]}#{text[cursor_pos..-1]}"
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cursor_pos -= 1
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@state = state.merge(
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friends: state[:friends].merge(
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friend_number => friend.merge(
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new_message: new_message.merge(
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text: text,
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cursor_pos: cursor_pos,
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).freeze,
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).freeze,
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).freeze,
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).freeze
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end
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def on_new_message_delete
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return if state[:active_friend_index].nil?
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friend_number = state[:friends].keys[state[:active_friend_index]]
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return if friend_number.nil?
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friend = state[:friends][friend_number]
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new_message = friend[:new_message]
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text = new_message[:text]
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cursor_pos = new_message[:cursor_pos]
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return if cursor_pos > text.length
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text = "#{text[0...cursor_pos]}#{text[(cursor_pos + 1)..-1]}"
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@state = state.merge(
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friends: state[:friends].merge(
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friend_number => friend.merge(
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new_message: new_message.merge(
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text: text,
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cursor_pos: cursor_pos,
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).freeze,
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).freeze,
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).freeze,
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).freeze
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end
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#########
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# State #
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#########
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def state
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@state ||= {
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x: 0,
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y: 0,
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width: Curses.stdscr.maxx,
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height: Curses.stdscr.maxy,
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focus: :sidebar,
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focused: true,
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on_window_left: method(:on_window_left),
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on_window_right: method(:on_window_right),
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on_menu_up: method(:on_menu_up),
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on_menu_down: method(:on_menu_down),
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on_new_message_putc: method(:on_new_message_putc),
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on_new_message_left: method(:on_new_message_left),
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on_new_message_right: method(:on_new_message_right),
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on_new_message_home: method(:on_new_message_home),
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on_new_message_end: method(:on_new_message_end),
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on_new_message_backspace: method(:on_new_message_backspace),
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on_new_message_delete: method(:on_new_message_delete),
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active_friend_index: nil,
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friends: {}.freeze,
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sidebar: {
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x: 0,
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y: 0,
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width: Widgets::Logo::WIDTH,
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height: Curses.stdscr.maxy,
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focus: :menu,
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focused: true,
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logo: {
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x: 0,
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y: 0,
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width: Widgets::Logo::WIDTH,
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height: Widgets::Logo::HEIGHT,
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}.freeze,
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menu: {
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x: 0,
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y: Widgets::Logo::HEIGHT,
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width: Widgets::Logo::WIDTH,
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height: Curses.stdscr.maxy - Widgets::Logo::HEIGHT,
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focused: true,
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active: 0,
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top: 0,
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}.freeze,
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}.freeze,
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chat: {
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x: Widgets::Logo::WIDTH,
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y: 0,
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width: Curses.stdscr.maxx - Widgets::Logo::WIDTH,
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height: Curses.stdscr.maxy,
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focus: :new_message,
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focused: false,
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info: {
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x: Widgets::Logo::WIDTH,
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y: 0,
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width: Curses.stdscr.maxx - Widgets::Logo::WIDTH,
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height: 2,
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focused: false,
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}.freeze,
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new_message: {
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x: Widgets::Logo::WIDTH,
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y: Curses.stdscr.maxy - 1,
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width: Curses.stdscr.maxx - Widgets::Logo::WIDTH,
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height: 1,
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focused: false,
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}.freeze,
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history: {
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x: Widgets::Logo::WIDTH,
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y: 2,
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width: Curses.stdscr.maxx - Widgets::Logo::WIDTH,
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height: Curses.stdscr.maxy - 3,
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focused: true,
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}.freeze,
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}.freeze,
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}.freeze
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end
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end
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