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Path: utzoo!linus!decvax!ucbvax!ucdavis!lll-crg!seismo!mcvax!boring!guido
From: guido@boring.UUCP
Newsgroups: net.micro.mac
Subject: Re: Megamax control problem
Message-ID: <6658@boring.UUCP>
Date: Fri, 18-Oct-85 23:06:23 EDT
Article-I.D.: boring.6658
Posted: Fri Oct 18 23:06:23 1985
Date-Received: Mon, 21-Oct-85 06:04:30 EDT
References: <517@ihwpt.UUCP>
Reply-To: guido@mcvax.UUCP (Guido van Rossum)
Distribution: net
Organization: "Stamp Out BASIC" Committee, CWI, Amsterdam
Lines: 15
Apparently-To: rnews@mcvax.LOCAL

In article <517@ihwpt.UUCP> wiso@ihwpt.UUCP (Jack Wisowaty) writes:
>I have a window with eight controls and if I use the command
>hilitecontrol(thecontrol,254) to deactivate say control #5, it deactivates
>5, 6, 7, and 8.  Findcontrol returns 254 for 5-8 as well as for any other
>location in the window.  Only clicking in controls 1-4 returns 11 (for a
>mousedown in the checkbox).

It seems that this is a bug in the Toolbox.  I have experienced similar
problems with 254 highlighting, and finally decided to use 255 highlighting
instead.  My theory is that the control definition's Test routine returns
254 when it is called if the control has 254 highlighting EVEN WHEN THE
MOUSE IS OUTSIDE THE CONTROL.  Funnily, the wording of the paragraph
describing the Test routine indeed suggests this if taken literally.
-- 
	Guido van Rossum, CWI, Amsterdam (guido@mcvax)