Why is that hard? With Qt, it's fairly straightforward: http://ix.io/flo http://ix.io/flo Similar things can be used for the various event loops. If you were

Why is that hard? With Qt, it's fairly straightforward: http://ix.io/flo http://ix.io/flo Similar things can be used for the various event loops. If you were so inclined, you could write something that uses less dynamic memory allocation. Now that I read that code, I think I should be moving some of this stuff to C++11, at least WRT rvalue-refs...