> It seems like a principle of window-system focus rules that if I have one > OS-window focused (all nicely indicated by a highlighted title bar or > whatever mechanism the desktop manager uses), that keystrokes I type should > not be taken as input to some other OS-window.
Windows behaves that way, but Mac OS X does not. On the Mac (as in Pivot), the concepts of "active" and "focused" are independent. I'm not sure how this is handled in Linux.
