Module: RTUI::TTY

Defined in:
lib/rtui/tty.rb

Class Method Summary collapse

Class Method Details

.default_width ⇒ Object 



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# File 'lib/rtui/tty.rb', line 20

def default_width
  stty = `stty size`
  if stty =~ /^\d+ \d+/
    stty.split[1].to_i
  else
    80
  end
end

.get_width ⇒ Object 



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# File 'lib/rtui/tty.rb', line 4

def get_width
  # FIXME: I don't know how portable it is. Works Linux/OSX.
  begin
    tiocgwinsz = 0x5413
    data = [0, 0, 0, 0].pack("SSSS")
    if @out.ioctl(tiocgwinsz, data) >= 0 then
      rows, cols, xpixels, ypixels = data.unpack("SSSS")
      if cols >= 0 then cols else default_width end
    else
      default_width
    end
  rescue Exception
    default_width
  end
end