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Article View: comp.lang.eiffel
Article #1284

Re: Widgets and Eiffel

#1284
From: Bertrand Meyer
Date: Wed, 11 Jan 1989 22:23
32 lines
1943 bytes
In article <469@grand.UUCP>, Vincent Phuah <vp01@gte.com> wrote:
> 
>               --------------------------
>   I assume it is fair to say that the graphic library in the current
> release has a lot of glitches and doesn't work correctly at times.  

	It is definitely fair to say that. We claim extenuating circumstances,
however, since many of the glitches are due to X Windows (11.1). In
fact, in the process of porting to X 11 release 3, a number of cases
were uncovered in which the Eiffel classes had to be corrected because
they were programmed around X 11.1 bugs which (fortunately) were fixed
in the 11.3. This does not exonerate us totally (some of the glitches
are definitely our responsibility), but anyone who has worked extensively
with X, especially pre-11.3, will agree that this is not the best possible
piece of software to use as a basis for development.

	Release 2.2 of Eiffel is based on X 11.3 and all the
glitches mentioned should have disappeared. A number of improvements will
also be included, in particular with respect to speed (menu display was too
slow) and the possibility of having arbitrary client workstations.
Also, the GOOD utility will work much more nicely.
	
>   Although Eiffel allows calls to external C routines, only basic C type
> parameters can be passed between C and Eiffel. [... Other limitations
> of the Eiffel to C interface]

Making the Eiffel-to-C interface more flexible is another target of our
current efforts.

-- Bertrand Meyer
Interactive Software Engineering
bertrand@eiffel.com
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Message-ID: <1097@hub.ucsb.edu>
Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!lll-winken!ames!ucsd!ucsbcsl!bertrand
References: <469@grand.UUCP>

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Path: arc1-ca.pugleaf.net!utzoo!attcan!uunet!lll-winken!ames!ucsd!ucsbcsl!bertrand
From: bertrand@hub.ucsb.edu (Bertrand Meyer)
Newsgroups: comp.lang.eiffel
Subject: Re: Widgets and Eiffel
Summary: We are working on these
Message-ID: <1097@hub.ucsb.edu>
Date: 11 Jan 89 22:23:37 GMT
References: <469@grand.UUCP>
Organization: University of California, Santa Barbara
Lines: 32