import gtk
import gobject

class AboutWindow:
    def __init__(self):
        self.window = gtk.Window(gtk.WINDOW_TOPLEVEL)
        self.window.set_title('About')
        self.window.connect("key-press-event", self.window_key_press_event)

        vbox = gtk.VBox()
        vbox.pack_start(gtk.Label('About'))
        close = gtk.Button('Close')
        close.connect("clicked", self.close_clicked)
        vbox.pack_end(close)

        self.window.add(vbox)
        self.window.show_all()

    def window_key_press_event(self, widget, event, data=None):
        if event.keyval == gtk.gdk.keyval_from_name("Escape"):
            self.window.destroy()

    def close_clicked(self, widget, data=None):
        self.window.destroy()