Xref: utzoo comp.sys.amiga.tech:2342 comp.sys.amiga:24920
Path: utzoo!attcan!uunet!cbmvax!rutgers!apple!well!ewhac
From: ewhac@well.UUCP (Leo 'Bols Ewhac' Schwab)
Newsgroups: comp.sys.amiga.tech,comp.sys.amiga
Subject: Re: Updating text in requesters.
Summary: Neat solution.
Message-ID: <7560@well.UUCP>
Date: 5 Nov 88 10:30:11 GMT
References: <308@eklektik.UUCP>
Reply-To: ewhac@well.UUCP (Leo 'Bols Ewhac' Schwab)
Followup-To: comp.sys.amiga.tech
Distribution: na
Organization: The Society to Turn Wesley into a Styrofoam Tetradecahedron
Lines: 26
Quote: Why ask, "What if...?" when you can ask, "Who cares?"

In article <308@eklektik.UUCP> mike@eklektik.UUCP (Mike Stilson) writes:
>Ok, here's the problem:
> A requester which will let the user set the size of a RAM buffer using a
>prop gadget.  What I NEED to do is to to update the amount display as the user
>slides the gadget.   (it looks like this)
> [ pretty picture deleted ]
>What I WANT to do is to update the ___ as the user moves the gadget.  I know I
>can do it using a window instead, then I can print the IText as I go, but I
>already have the requester made up & worked into the code, and it SEEMS there
>should be a way to do it.
>
	There is.  You want to render directly into the Requester using
PrintIText(), right?  But you need a pointer to a RastPort, right?  Well...
--------
	struct Requester	*req;
	struct RastPort		*rp;

	rp = req -> ReqLayer -> rp;	/*  Ta da!  */
--------
	I got this trick from John Draper (remember him?)

_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_-_
Leo L. Schwab -- The Guy in The Cape	INET: well!ewhac@ucbvax.Berkeley.EDU
 \_ -_		Recumbent Bikes:	UUCP: pacbell > !{well,unicom}!ewhac
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