How to get XWindow ID in GTK3?

问题

In GTK3, how do I retrieve the XWindow ID? I didn't see anything related to this in GdkWindow.

In documentation, it is said there is a GDK_WINDOW_XID() macro. However, I cannot find the equivalence in Python binding.

来源：https://stackoverflow.com/questions/14732838/how-to-get-xwindow-id-in-gtk3