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# coding: utf-8 class HighLine class Terminal # HighLine::Terminal option that uses external "stty" program # to control terminal options. class UnixStty < Terminal # A Unix savvy method using stty to fetch the console columns, and rows. # ... stty does not work in JRuby # @return (see Terminal#terminal_size) def terminal_size begin require "io/console" winsize = begin IO.console.winsize.reverse rescue NoMethodError nil end return winsize if winsize rescue LoadError end if /solaris/ =~ RUBY_PLATFORM && `stty` =~ /\brows = (\d+).*\bcolumns = (\d+)/ [Regexp.last_match(2), Regexp.last_match(1)].map(&:to_i) elsif `stty size` =~ /^(\d+)\s(\d+)$/ [Regexp.last_match(2).to_i, Regexp.last_match(1).to_i] else [80, 24] end end # (see Terminal#raw_no_echo_mode) def raw_no_echo_mode @state = `stty -g` system "stty raw -echo -icanon isig" end # (see Terminal#restore_mode) def restore_mode system "stty #{@state}" print "\r" end # (see Terminal#get_character) def get_character(input = STDIN) input.getc end end end end