NCurses, windows within windows

Not sure what you mean, but sure, you can have a window inside another window. You can even have two windows inside another window inside the main window if you want. The windows can be moved and resized as well. It's up to you to handle the drawing logic though. And when resizing parents windows you need to be careful you don't end up clipping child windows.

The only restriction iirc is that windows on the same level cannot overlap, which is not a problem here.