Path: utzoo!attcan!uunet!husc6!bloom-beacon!JUICY-JUICE.LCS.MIT.EDU!ilham
From: ilham@JUICY-JUICE.LCS.MIT.EDU (Ilhamuddin Ahmed)
Newsgroups: comp.windows.x
Subject: Interacting with Common Lisp in an X window
Message-ID: <8807280502.AA01988@juicy-juice.lcs.mit.edu>
Date: 28 Jul 88 05:02:30 GMT
Sender: daemon@bloom-beacon.MIT.EDU
Reply-To: ilham@juicy-juice.lcs.mit.edu
Organization: The Internet
Lines: 51


I wish to write a software which uses both X Windows (in C language) and
Common Lisp. The core part of the program is written in Common-Lisp and
the windowing interface will be written in X using C. Now my question is
that I wish to have the common lisp running in one of my windows that I
create in my application and all I/O such as callbacks and keyboard
input should be passed to some common lisp functions and the output from
Common Lisp should occur in my window (window 3 .. see below).
Something like :

      _______________________________
     |                      |        |
     |                      |  ----  |
     |                      |  ----  |
     |       (1)            |  ----  |
     |                      |        |
     |                      |        |
     |                      |  (2)   |
      -----------------------        |
     |                      |        |
     |                      |        |
     |       (3)            |        |
     |                      |        |
      -------------------------------

The above shows an X Window which consists of (1) an Xlib window to show
graphics, (2) X Toolkit button box where the callback are passed to the
CommonLisp and (3) and any X window where the I/O goes to the underlying
Common-Lisp.

In this case, I should be able to type Lisp command in window no. (3)
and the underlying Common-lisp should interpret that as input and
execute that lisp code. I am unsure of how to implement the Common Lisp
in an X window to handle this. If you think I am being unclear, send me
a note and I'll give more info.  Any help would be very much
appreciated. Thanks in advance.

						- Ilham.


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