def history_down(self):
if self.index == len(self.history):
self.set_text("")
gtk.gdk_beep()
else:
self.set_text(self.history[self.index])
self.index = self.index + 1
def history_up(self):
if self.index == 0:
gtk.gdk_beep()
else:
self.index = self.index - 1
#self.history.append(self.entry.get_text())
self.set_text(self.history[self.index])
