[Vala] making a running a program as a child inside my program's widget.

[Arkadi Viner <arkashkin gmail com>]

Hello,
for my class assignment I what to extend ValaIDE so when I click on *.UI
file it would be opened in Glade,
but I want glade to be executed inside a new tab (so it will look as part of
the ValaIDE interface...) .

Could some body explain to me how such thing could be done?