def self.test
d = xopendisplay(nil)
s = xdefaultscreen(d)
w = xcreatesimplewindow(d, xdefaultrootwindow(d), 0, 0, 28, 28, 0, xblackpixel(d, s), xblackpixel(d, s))
xstorename(d, w, "lol")
gc = xcreategc(d, w, 0, 0)
xsetforeground(d, gc, xwhitepixel(d, s))
xselectinput(d, w, EXPOSUREMASK|KEYPRESSMASK|BUTTONPRESSMASK)
xmapwindow(d, w)
msg = alloc_c_struct('XEvent')
str = 'llllmmmml'
x = 12
y = 20
loop {
xnextevent(d, msg)
case msg['type']
when EXPOSE
xfillrectangle(d, w, gc, x, y+8, 30, 30)
xdrawline(d, w, gc, x, y+38, x+30, y+53)
xdrawstring(d, w, gc, x, y, str, str.length)
when KEYPRESS
k = xlookupkeysym(msg, 0)
p k
when BUTTONPRESS
break
end
}
xdestroywindow(d, w)
xclosedisplay(d)
end