import gtk

window = gtk.Window()
window.set_default_size(640, 480)
window.set_title("button box demo")

vbox = gtk.VBox()

hbox1 = gtk.HButtonBox()
hbox1.pack_start(gtk.Button(stock=gtk.STOCK_OK))

def build_bbox():
        """build a hbox fill it with example buttons and return it"""
        hbox = gtk.HButtonBox()

        hbox.pack_start(gtk.Button(stock=gtk.STOCK_YES))
        hbox.pack_start(gtk.Button(stock=gtk.STOCK_NO))

        return hbox

hbox2 = build_bbox()
hbox2.set_layout(gtk.BUTTONBOX_SPREAD)

hbox3 = build_bbox()
hbox3.set_layout(gtk.BUTTONBOX_EDGE)

hbox4 = build_bbox()
hbox4.set_layout(gtk.BUTTONBOX_START)

hbox5 = build_bbox()
hbox5.set_layout(gtk.BUTTONBOX_END)

hbox6 = build_bbox()
hbox6.set_layout(gtk.BUTTONBOX_END)
help_button = gtk.Button(stock=gtk.STOCK_HELP)
hbox6.pack_start(help_button)
hbox6.set_child_secondary(help_button, True)

vbox.pack_start(hbox1)
vbox.pack_start(hbox2)
vbox.pack_start(hbox3)
vbox.pack_start(hbox4)
vbox.pack_start(hbox5)
vbox.pack_start(hbox6)

window.add(vbox)
window.show_all()

window.connect('destroy', gtk.main_quit)

gtk.main()