palette = RadioPalette()
# Adding 3 RadioToolButtons to a palette
button1 = RadioToolButton(icon_name='document-save',
accelerator="<ctrl>S",
xo_color=XoColor("white"))
button1.connect('toggled', lambda button: echo(button, 'document-save'))
palette.append(button1, 'menu.document-save')
button2 = RadioToolButton(icon_name='document-open',
accelerator="<ctrl>O",
xo_color=XoColor("white"),
group=button1)
button2.connect('toggled', lambda button: echo(button, 'document-open'))
palette.append(button2, 'menu.document-open')
button3 = RadioToolButton(icon_name='document-send',
accelerator="<ctrl>F",
xo_color=XoColor("white"),
group=button1)
button3.connect('toggled', lambda button: echo(button, 'document-send'))
palette.append(button3, 'menu.document-send')
button = RadioMenuButton(palette=palette)
box.pack_start(button, False, False, 1)
button.show()
if __name__ == '__main__':
Gtk.main()
