Re: List Processing Vocabulary

[Alain LCSI <alain@xxxxxxx>]

Hi,
With modern implementations of Logo, a concept such as readlist was  
very hard to maintain - mostly because of the concept of "focus". In  
the old days, there was only one focus: the command center. The rest  
of the screen was an "output" area. In MicroWorlds, the focus can be  
in any of 10 places such as tabs, cc, text boxes, other fields.

As an illustration of this, the primitive readchar (sort of readlist  
for one character) only works if you first click in the "page" area.

Take a look at the online Help system in MicroWorlds, section  
Vocabulary, subsection Words and Lists. Check what onreadline can do  
for you. It's a sort of executable readlist bound to a text box.

Alain Tougas
alain@xxxxxxx




Le 07-03-10 à 10:12, Daniel Ajoy a écrit :

> On 9 Mar 2007 at 21:52, Richard Park wrote:
>
> > I'm developing  some stand alone activities for classes an have been
> > reviewing some of the great material in the old Hal Abelson Apple
> > Logo book.  I really like the material he has included for the
> > commands.  Some of the vocabulary does not match with MicroWorlds EX.
> > Particular READLIST and TEST are not primitives.  Could anyone
> > suggest resources for MWEX commands that deal with lists.  I've used
> > the QUESTION and ANSWER primitives, but thought there might be some
> > resources someone can share.  Thank you.
>
> Sections 13, 14, 15, 21, 22
>
> http://mia.openwordlearning.org/resources/mw_refcard3.pdf
>
>
> Daniel
> OpenWorld Learning