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From: RWS@ZERMATT.LCS.MIT.EDU (Robert Scheifler)
Newsgroups: comp.windows.x
Subject: hacking on uwm (V11)
Message-ID: <871124075141.7.RWS@KILLINGTON.LCS.MIT.EDU>
Date: Tue, 24-Nov-87 07:51:00 EST
Article-I.D.: KILLINGT.871124075141.7.RWS
Posted: Tue Nov 24 07:51:00 1987
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    Date: 23 Nov 87 20:41:01 GMT
    From: violet.berkeley.edu!jkh@jade.Berkeley.EDU  (Jordan K. Hubbard)

    Let me know if I'm wrong, but by default the focus is in whatever window
    contains the pointer, yes? So, wouldn't it follow to assume that a window
    would get FocusIn and FocusOut events for this? Nope.

Quite possible we blew it here (see also fix #56).  The thinking at the time
was that adding a focus boolean to enter/leave events would suffice, but it
hasn't been working out that way.

	     I get a FocusIn when I do an XSetInputFocus on my window, but
    when I do the SetFocus on another window afterwards, I get no FocusOut
    on the original! Yuck!

So submit a bug report.

					  Just how do I see the Enter/Leaves for
    everybody? uwm already selects Substructure{Notify,Redirect}Mask on the
    RootWindow,

As top-level windows get created, select for enter/leave on them.

							    How do I know
    when I leave one sibling for another? No events are generated for the
    root window, that's for sure.

Correct.