scm_shell in gui

scm_shell in gui

[Jonathan Wilson]

Hi,
Is it possible to call scm_shell with different stdin and stdout?  The 
primary purpose of this that I can see would be to run a guile shell 
inside a text area of a gui or something like that.
Regards,
Jon


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Re: scm_shell in gui

[Ludovic Courtès]

Hi,

Jonathan Wilson <j85wilson@fastmail.fm> writes:

> Is it possible to call scm_shell with different stdin and stdout?  The
> primary purpose of this that I can see would be to run a guile shell
> inside a text area of a gui or something like that.

I guess you can simply rebind the input/output ports:

  (set-current-input-port  the-gui-input-port)
  (set-current-output-port the-gui-output-port)
  (set-current-error-port  the-gui-error-port)

So you need the GUI toolkit to provide you with appropriate port
implementations in the first place (I don't know for sure but I guess
`guile-gtk' and `guile-gnome' provide a port abstraction for text-based
widgets).

Thanks,
Ludovic.


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Re: scm_shell in gui

[Jon Wilson]

Thanks to all, this looks helpful.

Ludovic Courtès wrote:
> Hi,
> 
> Jonathan Wilson <j85wilson@fastmail.fm> writes:
> 
> 
>>Is it possible to call scm_shell with different stdin and stdout?  The
>>primary purpose of this that I can see would be to run a guile shell
>>inside a text area of a gui or something like that.
> 
> 
> I guess you can simply rebind the input/output ports:
> 
>   (set-current-input-port  the-gui-input-port)
>   (set-current-output-port the-gui-output-port)
>   (set-current-error-port  the-gui-error-port)
> 
> So you need the GUI toolkit to provide you with appropriate port
> implementations in the first place (I don't know for sure but I guess
> `guile-gtk' and `guile-gnome' provide a port abstraction for text-based
> widgets).
> 
> Thanks,
> Ludovic.



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Re: scm_shell in gui

[Andy Wingo]

Hi,

On Mon, 2006-07-03 at 11:15 -0500, Jonathan Wilson wrote:
> to run a guile shell 
> inside a text area of a gui or something like that.

See (gnome gtk graphical-repl) in guile-gnome-platform.

Regards,
-- 
Andy Wingo
http://wingolog.org/



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