A package corresponding to TIP 245 that gives you the amount of time a user has been inactive.

[davidw] - I packaged up the code I found in the TIP proposal patch and have put it at http://www.dedasys.com/freesoftware/files/ (look for tkinactive).  It's in an initial "it works for me" state, but could probably use more fixing, and could certainly use someone with MacOS X expertise to add that bit back in (I don't have a Mac system to do the work on).  Currently supports Linux and Windows (with some manual build steps).

Works like so:

tkinactive ?-displayof window? ?reset?

and returns the inactive time in milliseconds.

[kostix] (on 2008-01-12) adds: Also see:
   * [tk inactive] for built-in support in Tk 8.5.
   * [tkXwin] for older versions of Tk in X Window.
   * [tclWinidle] for older versions of Tk in Windows (including Win9x).

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