local lo, hi = Text.clip_filename_with_screen_line(line, line_cache, i, s, e)

        local lo, hi = Text.clip_filename_with_screen_line(State.font, line, line_cache, i, s, e)

function Text.clip_filename_with_screen_line(line, line_cache, i, s, e)

function Text.clip_filename_with_screen_line(font, line, line_cache, i, s, e)

  return App.width(line.data:sub(soff, loff-1)), App.width(line.data:sub(soff, hoff))

  return font:getWidth(line.data:sub(soff, loff-1)), font:getWidth(line.data:sub(soff, hoff))