🚀 go-pugleaf

>>>>> On 18 Jun 91 23:13:15 GMT, klee@wsl.dec.com (Ken Lee) said:

>>>>> mago@delphi.it (Giovanni Beani) writes:

Giovanni> 2) "What about differences (for a programmer view) between
Giovanni> Motif and XView?"

Ken> There are lots of little differences.  The most important one is that
Ken> Motif uses the standard X Toolkit intrinsics library and XView uses a
Ken> proprietary intrinsics library.

"proprietary" is a bit misleading here. The XView API is *different*
from the one used by Intrinsics based toolkits, but it's not
proprietary.You can implement this API in any way you wish, for any
platform or OS. XView itself is freely available from MIT. Sadly, the
free version really works only on Suns, but there's nothing to prevent
you from porting it. Even the fonts used are freely available.

Ken> The X Toolkit intrinsics are documented by MIT and in many other
Ken> books and tutorials.  The XView intrinsics are, as far as I know,
Ken> documented in only one O'Reilly book.

True, but then, how many books do you need? The XView API is really
very simple and easy to learn, and the O'Reilly volume does a good
job.

The Intrinsics based toolkits have one thing in their favor, though.
Converting from one Intrinsics based toolkits to another is
(theoretically) simple, while converting from XView to, say, OSF/MOTIF
is a bigger job. If you plan to much conversion of this kind, take a
look at OLIT for OPEN LOOK. Be warned, though, that you will have to
think of conversions in advance, i.e. select layouts and features
available in both OSF/MOTIF and OPEN LOOK, or else you'll wind up
rewriting large parts of the UI anyhow.

/Lars
--
Lars Fischer,  fischer@iesd.auc.dk   | It takes an uncommon mind to think of
CS Dept., Univ. of Aalborg, DENMARK. | these things.  -- Calvin