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From: klee@chico.pa.dec.com (Ken Lee)
Newsgroups: comp.windows.x
Subject: Re: xlock - event mask argument to XGrabPointer
Message-ID: <2296@bacchus.dec.com>
Date: 18 Dec 89 18:42:57 GMT
References: <1989Dec16.002825.10200@smsc.sony.com>
Sender: news@decwrl.dec.com
Reply-To: klee@decwrl.dec.com
Organization: DEC Western Software Laboratory
Lines: 14

In article <1989Dec16.002825.10200@smsc.sony.com>, dce@smsc.sony.com
(David Elliott) writes:
> Is -1 a special value meaning "all events that apply", so that the
> server should accept the value unquestioningly?  Or, should xlock
> be more specific with its event mask in this case?

The XGrabPointer event mask has type unsigned int, so, on most hardware
with sloppy compilers, putting a -1 in there will be converted to a
word with all bits on.  What a hack.

Ken Lee
DEC Western Software Laboratory, Palo Alto, Calif.
Internet: klee@decwrl.dec.com
uucp: uunet!decwrl!klee