Skip site navigation (1)Skip section navigation (2)
Date:      Tue, 09 Oct 2001 16:50:48 -0700
From:      Jordan Hubbard <jkh@freebsd.org>
To:        anarcat@anarcat.dyndns.org
Cc:        freebsd-libh@freebsd.org
Subject:   Re: How to create a GUI console in tclh
Message-ID:  <20011009165048X.jkh@freebsd.org>
In-Reply-To: <20011009194322.E601@shall.anarcat.dyndns.org>
References:  <20011009143206.A27943@shall.anarcat.dyndns.org> <20011009163733T.jkh@freebsd.org> <20011009194322.E601@shall.anarcat.dyndns.org>

next in thread | previous in thread | raw e-mail | index | archive | help
The Tcl "channel" abstraction should provide everything you need - in
particular, you can stack channels on top of one another in order to
implement this kind of redirection or you can close a channel, like
stdout, and reassign it to something like a pipe.

- Jordan

> On Tue Oct 09, 2001 at 04:37:33PM -0700, Jordan Hubbard wrote:
> > This should be fairly easy to do - just take a look at what tclsh does
> > to implement its command parser.  You basically just want to read in a
> > text string, call TCL's evaluator on it, 
> 
> I'm absolutely non-worried about that. I already implemented some basic
> Tk tcl shell as a primary Tk exercise. :)
> 
> > and insert the results back into the console window. 
> 
> That is the whole problem. How can I redirect a stream to a window???
> 
> 
> > I'm sure libh has some sort of scrolling
> > text widget already, right?  I'm ashamed to say I haven't looked
> > lately, but this should be a very straight-forward "junior libh
> > hacker" sort of project. 
> 
> Yah... Well, my only concern is with streams redirection...
> 
> > You may also want to redirect stdout
> > somewhere so that things like "puts" behave correctly, given some
> > definition of "correct."
> 
> I guess the only way would be to "read" the output line by line and then
> write it to the window...
> 
> Thanks!
> 
> A.

To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-libh" in the body of the message




Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20011009165048X.jkh>