Here is a way to use Windows pop-up menus with python:
http://dl.dropbox.com/u/5426011/examples2/pyPopupMenu2.zip
made in 0.99.96
No python install is required, all necessarily files are included.
Notes:
Had to use some event trickery so that when the menu was opened the timescale would remain 0 till the next tick. Otherwise objects that depend on timedelta would jump after the menu closed.
This probably isn't very useful to most people using construct, but it's interesting none the less.