nth-window

Arguments: n parent-stream &key owned-p states

Returns the nth window on parent-stream. Counting starts from 0.

parent-stream may be either a window or the screen (the value of (screen *system*), see screen and *system*).

If owned-p is nil, then only child windows are considered. If it is true, then only owned windows of parent-stream that are not also child windows of parent-stream are considered. Only top-level windows can have owned windows that are not also their children.

States should be list of window states, that is one or more of (:normal :maximized :shrunk :icon), to consider when looking at sub-windows. If nil, then all sub-windows are considered. Otherwise, only considers the sub-window if its state is a member of states.

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Created 2010.1.21.