core.py 文件源码

def update_view_timeout(self):
        #print "view: update_view_timeout called at real time ", time.time()

        # while the simulator is busy, run the gtk event loop
        while not self.simulation.lock.acquire(False):
            while gtk.events_pending():
                gtk.main_iteration()
        pause_messages = self.simulation.pause_messages
        self.simulation.pause_messages = []
        try:
            self.update_view()
            self.simulation.target_time = ns.core.Simulator.Now ().GetSeconds () + self.sample_period
            #print "view: target time set to %f" % self.simulation.target_time
        finally:
            self.simulation.lock.release()

        if pause_messages:
            #print pause_messages
            dialog = gtk.MessageDialog(parent=self.window, flags=0, type=gtk.MESSAGE_WARNING, buttons=gtk.BUTTONS_OK,
                                       message_format='\n'.join(pause_messages))
            dialog.connect("response", lambda d, r: d.destroy())
            dialog.show()
            self.play_button.set_active(False)

        # if we're paused, stop the update timer
        if not self.play_button.get_active():
            self._update_timeout_id = None
            return False

        #print "view: self.simulation.go.set()"
        self.simulation.go.set()
        #print "view: done."
        return True