Method: TTY::Reader#clear_display

Defined in:
lib/tty/reader.rb

#clear_display(line, screen_width) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Clear display for the current line input

Handles clearing input that is longer than the current terminal width which allows copy & pasting long strings.

Parameters:

  • the line to display

  • the terminal screen width

API:

  • private



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# File 'lib/tty/reader.rb', line 343

def clear_display(line, screen_width)
  total_lines  = count_screen_lines(line.size, screen_width)
  current_line = count_screen_lines(line.prompt_size + line.cursor, screen_width)
  lines_down = total_lines - current_line

  output.print(cursor.down(lines_down)) unless lines_down.zero?
  output.print(cursor.clear_lines(total_lines))
end