window.rb

# -*- coding: utf-8 -*-
require "curses"

Curses.init_screen
Curses.start_color
Curses.init_pair(1, Curses::COLOR_BLACK, Curses::COLOR_WHITE)
Curses.init_pair(2, Curses::COLOR_WHITE, Curses::COLOR_GREEN)

win = Curses.stdscr.subwin(5,30,3,10)
  # subwin(window行数,window列数,行位置,列位置)
win.attrset(Curses.color_pair(1))
  # winに対してcolor_pairを指定
win.box(?|,?-,?+)
win.setpos(2,5)
win.attrset(Curses.color_pair(2))
win.addstr("sub window")
win.refresh
  # winをrefresh

Curses.getch
Curses.close_screen