DrawingArea Cannot Get XID
问题 I have the following Python 2.7/PyGObject 3.0/PyGST 0.10 module: from gi.repository import Gtk, Gdk, GdkPixbuf import pango import pygst pygst.require('0.10') import gst import Trailcrest import os, sys import cairo from math import pi class Video: def __init__(self): def on_message(bus, message): if message.type == gst.MESSAGE_EOS: # End of Stream player.seek(1.0, gst.FORMAT_TIME, gst.SEEK_FLAG_FLUSH, gst.SEEK_TYPE_SET, 5000000000, gst.SEEK_TYPE_NONE, 6000000000) elif message.type == gst