Show_file_navigator = false
  File_navigation = {
    candidates = {
      'pong',
      'log',
      'source',
      'commands',
      'log_browser',
      'edit',
      'text',
      'search',
      'undo',
      'colorize',
      'text_tests',
    },
    index = 1,
  }

  if Show_file_navigator then
    keychord_pressed_on_file_navigator(chord, key)
    return
  end

    return
  end
  if chord == 'C-g' then
    Show_file_navigator = true
    File_navigation.index = 1

Menu_highlight_color = {r=0.5, g=0.7, b=0.3}

  if Show_file_navigator then
    source.draw_file_navigator()
    return
  end

  if Text_cache[s] == nil then
    Text_cache[s] = App.newText(love.graphics.getFont(), s)
  end
  local width = App.width(Text_cache[s])
  if Menu_cursor + width > App.screen.width - 5 then
    return
  end
  App.color(Menu_command_color)
  App.screen.draw(Text_cache[s], Menu_cursor,5)
  Menu_cursor = Menu_cursor + width + 30
end
function source.draw_file_navigator()
  for i,file in ipairs(File_navigation.candidates) do
    add_file_to_menu(file, i == File_navigation.index)
  end
end
function add_file_to_menu(s, cursor_highlight)

  end
  if cursor_highlight then
    App.color(Menu_highlight_color)
    love.graphics.rectangle('fill', Menu_cursor-5,5-2, App.width(Text_cache[s])+5*2,Editor_state.line_height+2*2)

function keychord_pressed_on_file_navigator(chord, key)
  if chord == 'escape' then
    Show_file_navigator = false
  elseif chord == 'return' then
    local candidate = guess_source(File_navigation.candidates[File_navigation.index]..'.lua')
    source.switch_to_file(candidate)
    Show_file_navigator = false
  elseif chord == 'left' then
    if File_navigation.index > 1 then
      File_navigation.index = File_navigation.index-1
    end
  elseif chord == 'right' then
    if File_navigation.index < #File_navigation.candidates then
      File_navigation.index = File_navigation.index+1
    end
  end
end