541 lines
14 KiB
Ruby
541 lines
14 KiB
Ruby
# frozen_string_literal: true
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class Reducer
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attr_reader :state, :action
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def initialize(state, action)
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@state = state
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@action = action
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end
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def initial_state
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{
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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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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 + 1,
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y: 0,
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width: Curses.stdscr.maxx - Widgets::Logo::WIDTH - 1,
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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 + 1,
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y: 0,
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width: Curses.stdscr.maxx - Widgets::Logo::WIDTH - 1,
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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 + 1,
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y: Curses.stdscr.maxy - 1,
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width: Curses.stdscr.maxx - Widgets::Logo::WIDTH - 1,
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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 + 1,
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y: 3,
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width: Curses.stdscr.maxx - Widgets::Logo::WIDTH - 1,
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height: Curses.stdscr.maxy - 5,
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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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def call
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@state = initial_state if state == Obredux::UNDEFINED
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case action
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when Actions::LoadFriends
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load_friends
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when Actions::FriendRequest
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friend_request
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when Actions::FriendMessage
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friend_message
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when Actions::ChangeFriendName
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change_friend_name
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when Actions::ChangeFriendStatusMessage
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change_friend_status_message
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when Actions::ChangeFriendStatus
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change_friend_status
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when Actions::WindowLeft
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window_left
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when Actions::WindowRight
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window_right
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when Actions::MenuUp
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menu_up
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when Actions::MenuDown
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menu_down
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when Actions::NewMessageEnter
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new_message_enter
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when Actions::NewMessagePutc
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new_message_putc
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when Actions::NewMessageLeft
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new_message_left
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when Actions::NewMessageRight
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new_message_right
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when Actions::NewMessageHome
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new_message_home
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when Actions::NewMessageEnd
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new_message_end
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when Actions::NewMessageBackspace
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new_message_backspace
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when Actions::NewMessageDelete
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new_message_delete
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else
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state
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end
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end
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def load_friends
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state.merge(
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active_friend_index: action.friends.empty? ? nil : 0,
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friends: action.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 friend_request
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friend = action.tox_client.friend_add_norequest action.public_key
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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 friend_message
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state.merge(
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friends: state[:friends].merge(
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action.friend.number => state[:friends][action.friend.number].merge(
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history: (state[:friends][action.friend.number][:history] + [
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out: false,
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time: Time.now.utc.freeze,
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name: action.friend.name.freeze,
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text: action.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 change_friend_name
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state.merge(
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friends: state[:friends].merge(
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action.friend.number => state[:friends][action.friend.number].merge(
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name: action.new_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 change_friend_status_message
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state.merge(
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friends: state[:friends].merge(
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action.friend.number => state[:friends][action.friend.number].merge(
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status_message: action.new_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 change_friend_status
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state.merge(
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friends: state[:friends].merge(
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action.friend.number => state[:friends][action.friend.number].merge(
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status: action.new_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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def window_left
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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 window_right
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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 menu_up
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return state 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.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 menu_down
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return state 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.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 new_message_enter
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return state if state[:active_friend_index].nil?
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friend_number = state[:friends].keys[state[:active_friend_index]]
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return state if friend_number.nil?
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text = state[:friends][friend_number][:new_message][:text].strip.freeze
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return state if text.empty?
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error = false
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begin
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action.tox_client.friend(friend_number).send_message text
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rescue
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error = true
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end
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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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new_message: state[:friends][friend_number][:new_message].merge(
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text: '',
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cursor_pos: 0,
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),
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history: (state[:friends][friend_number][:history] + [
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error: error,
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out: true,
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received: false,
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time: Time.now.utc.freeze,
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name: action.tox_client.name.freeze,
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text: text,
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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 new_message_putc
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return state if state[:active_friend_index].nil?
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friend_number = state[:friends].keys[state[:active_friend_index]]
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return state 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]}#{action.char}#{text[cursor_pos..-1]}"
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cursor_pos += 1
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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 new_message_left
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return state if state[:active_friend_index].nil?
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friend_number = state[:friends].keys[state[:active_friend_index]]
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return state 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.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 new_message_right
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return state if state[:active_friend_index].nil?
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friend_number = state[:friends].keys[state[:active_friend_index]]
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return state 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.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 new_message_home
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return state if state[:active_friend_index].nil?
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friend_number = state[:friends].keys[state[:active_friend_index]]
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return state 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.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 new_message_end
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return state if state[:active_friend_index].nil?
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friend_number = state[:friends].keys[state[:active_friend_index]]
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return state 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.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 new_message_backspace
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return state if state[:active_friend_index].nil?
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friend_number = state[:friends].keys[state[:active_friend_index]]
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return state 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 state 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.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 new_message_delete
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return state if state[:active_friend_index].nil?
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friend_number = state[:friends].keys[state[:active_friend_index]]
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return state 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 state if cursor_pos > text.length
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text = "#{text[0...cursor_pos]}#{text[(cursor_pos + 1)..-1]}"
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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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end
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