[cells-gtk-devel] Cells-gtk on Lispworks 5.0

[Peter Denno]

On Saturday 12 August 2006 11:38, Bill Atkins wrote:
> So, believe it or not (I'm not sure I do), I'm getting the same
> behavior in SLIME - if I run (test-g:gtk-demo) from the REPL, all is
> fine; if I evaluate it in the editor, the window never comes up and
> the modeline says "eval...".  I also just tried the latest CVS, to no
> avail.  Still no problems with SBCL.

ugh! Is this a lispwork image that doesn't contain the capi windowing 
environment? (saved with :environment nil) or something like that.


>
> On 8/12/06, Peter Denno <peter.denno at nist.gov> wrote:
> > On Saturday 12 August 2006 09:57, you wrote:
> > > It turns out this problem never happens if I only call START-APP from
> > > the listener.  As soon as I call it from the LispWorks editor,
> > > something happens that prevents me from calling START-APP again.  It
> > > seems like the main difference between evaluating a form at the
> > > listener and in the editor is that LispWorks starts a new thread for
> > > forms evaluated in the editor.  Perhaps this interferes with Gtk
> > > somehow.  I can at least get some work done with this:
> > >
> > > (defun gtk-demo (&optional dbg)
> > >   (unless (search "Listener" (mp:process-name mp:*current-process*))
> > >     (error "Run only from the listener"))
> > >   (cells-gtk-init)
> > >   (cells-gtk:start-app 'tets-gtk :debug dbg))
> > >
> > > but that's not solving the problem.  If this (i.e. spawning a new
> > > thread  to run gtk-main breaking future calls to it) rings a bell with
> > > anyone, let me know.  I'll post here if I find something that works.
> >
> > Interesting.
> >
> > I've had problems getting cells-gtk to play fair with the lispworks
> > editor -- the whole #+lispworks thing in gtk-app.lisp we talked about --
> > but nothing like what you are describing. Does the editor have an event
> > loop in which you could add a hook to run something? (I don't know what,
> > cells-gtk? diagnositics? But it might be something to tinker with).
> >
> > So in summary, it looks like cells-gtk is OK on LW 5 (this is linux,
> > right?) except for interaction with LW's editor. It's probably OK in
> > slime, for example. (My usual setup is slime with LW.)
> >
> > > Bill
> > >
> > > On 8/10/06, Peter Denno <peter.denno at nist.gov> wrote:
> > > > On Thursday 10 August 2006 13:26, Bill Atkins wrote:
> > > > > Is anyone using Cells-gtk successfully on Lispworks 5.0 (32-bit
> > > > > Linux, in particular)?  I can run my application once, but if I
> > > > > close the main window and then attempt to run it again, I get
> > > > > "Evaluating..." in the echo area and no window appears.
> > > > >
> > > > > I eventually took part of the test-gtk.lisp code, narrowed it down
> > > > > to the simplest case and tried that.  It still didn't work. 
> > > > > Strangely enough, loading the "test-gtk" package and running
> > > > > TEST-GTK:GTK-DEMO does not have this problem - that is, I can run
> > > > > that as many times as I like, and I get a window each time.  SBCL,
> > > > > however, seems to handle both of these without a problem.  I've
> > > > > pasted the source code to my test case and also the debug output
> > > > > from the first run (ie the run that works) and from the second run,
> > > > > where LispWorks seems to be perpetually "Evaluating...".
> > > > >
> > > > > Here is the paste: http://paste.lisp.org/display/23932
> > > >
> > > > Hi,
> > > >
> > > > You might have a look at start-app in root/cells-gtk/gtk-app.lisp. I
> > > > coded the use of restarts in that code. Despite reading up abot
> > > > restarts in Practical Common Lisp, I still don't think I quite
> > > > understand them. So that code is suspect, especially because it has
> > > > #+lispworks in it. Maybe you could try the code in start-app that
> > > > currently is #-lispworks. It simply runs gtk-main. The idea of the
> > > > the #+lispworks alternative (stuff with
> > > > process-wait-with-timeout) is to give other processes (slime in
> > > > particular) a chance to run.
> > > >
> > > > I don't have LW 5.0 yet so I probably can't be much help.
> > > >
> > > >
> > > >
> > > > --
> > > > - Best regards,
> > > >    Peter
> > > > _______________________________________________
> > > > cells-gtk-devel site list
> > > > cells-gtk-devel at common-lisp.net
> > > > http://common-lisp.net/mailman/listinfo/cells-gtk-devel
> >
> > --
> > - Best regards,
> >    Peter

-- 
- Best regards,
   Peter