class Reline::LineEditor

def input_key(key)
  @last_key = key
  @config.reset_oneshot_key_bindings
  @dialogs.each do |dialog|
    if key.char.instance_of?(Symbol) and key.char == dialog.name
      return
    end
  end
  @just_cursor_moving = nil
  if key.char.nil?
    if @first_char
      @line = nil
    end
    finish
    return
  end
  old_line = @line.dup
  @first_char = false
  completion_occurs = false
  if @config.editing_mode_is?(:emacs, :vi_insert) and key.char == "\C-i".ord
    unless @config.disable_completion
      result = call_completion_proc
      if result.is_a?(Array)
        completion_occurs = true
        process_insert
        if @config.autocompletion
          move_completed_list(result, :down)
        else
          complete(result)
        end
      end
    end
  elsif @config.editing_mode_is?(:emacs, :vi_insert) and key.char == :completion_journey_up
    if not @config.disable_completion and @config.autocompletion
      result = call_completion_proc
      if result.is_a?(Array)
        completion_occurs = true
        process_insert
        move_completed_list(result, :up)
      end
    end
  elsif not @config.disable_completion and @config.editing_mode_is?(:vi_insert) and ["\C-p".ord, "\C-n".ord].include?(key.char)
    unless @config.disable_completion
      result = call_completion_proc
      if result.is_a?(Array)
        completion_occurs = true
        process_insert
        move_completed_list(result, "\C-p".ord == key.char ? :up : :down)
      end
    end
  elsif Symbol === key.char and respond_to?(key.char, true)
    process_key(key.char, key.char)
  else
    normal_char(key)
  end
  unless completion_occurs
    @completion_state = CompletionState::NORMAL
    @completion_journey_data = nil
  end
  if not @in_pasting and @just_cursor_moving.nil?
    if @previous_line_index and @buffer_of_lines[@previous_line_index] == @line
      @just_cursor_moving = true
    elsif @previous_line_index.nil? and @buffer_of_lines[@line_index] == @line and old_line == @line
      @just_cursor_moving = true
    else
      @just_cursor_moving = false
    end
  else
    @just_cursor_moving = false
  end
  if @is_multiline and @auto_indent_proc and not simplified_rendering?
    process_auto_indent
  end
end