Re: Can I listen on a socket in a GTK application?

["yinglcs2 yahoo com" <yinglcs2 yahoo com>]

Sorry, I have one more question. 
So I can have boeth gtk widgets registers themselves
to the main loop AS WELL AS the socket register itself
to the main loop?


--- Dov Grobgeld <dov grobgeld gmail com> wrote:

> What Paul ment to say ;-), was that gtk as well as
> most gui toolkits
> these days, are implementing a paradigm known as
> event-driven
> programming, see
>
http://en.wikipedia.org/wiki/Event-driven_programming
> . The loop is
> implemented by the glib main loop. gtk registers its
> callbacks to the
> mainloop (button presses etc), but you may add
> additional callbacks,
> e.g. from sockets. The mainloop just hangs there
> until something
> happen that has been registered to it.
> 
> Paul is certainly right that you don't have to know
> the implementation
> details. Just register your callbacks and trust that
> everything will
> work.
> 
> Regards,
> Dov
> 
> On 3/26/06, yinglcs2 yahoo com <yinglcs2 yahoo com>
> wrote:
> > Thanks. But there is something I still don't quite
> > understand.
> >
> > a GTK application has a main loop listen for any
> GTK
> > signals (for example to handle the close window
> > event), right?
> > But now if I make it to listen to an socket, how
> can
> > it listen but the socket and the GTK signals?
> >
> > Thank you for any advice.
> >
> >
> > --- Dov Grobgeld <dov grobgeld gmail com> wrote:
> >
> > > Hi,
> > >
> > > (I'm moving the discussion back to gtk-list as I
> > > didn't actually mean
> > > to send it private. Hope it is ok with you.)
> > >
> > > Regarding your question, yes, gtk_main() is
> really a
> > > wrapper to
> > > g_main_run(main_loop), so everything that is
> valid
> > > for g_main_loop()
> > > is valid for gtk_main() as well. Just set up
> your
> > > gnet callback
> > > handlers and then call gtk_main().
> > >
> > > Hope this helps.
> > >
> > > Regards,
> > > Dov
> > >
> > >
> > > On 3/25/06, yinglcs2 yahoo com
> <yinglcs2 yahoo com>
> > > wrote:
> > > > Dov,
> > > >
> > > > Thanks for your respond. I am interested in
> > > knowing
> > > > how you did that.
> > > >
> > > > I have read the example you suggest. But one
> thing
> > > I
> > > > am not sure is if I still call "gtk_main();"?
> > > > And when does it call "gtk_main() now if I
> call
> > > >   /* Start the main loop */
> > > >   g_main_run(main_loop);
> > > >
> > > > from the gnet example?
> > > >
> > > > Thank you.
> > > >
> > > > --- Dov Grobgeld <dov grobgeld gmail com>
> wrote:
> > > >
> > > > > It sure is. One of the easiest ways is to
> use
> > > gnet.
> > > > > Have a look at the
> > > > > gnet-*/examples/echoserver-gserver.c program
> in
> > > the
> > > > > gnet sources that
> > > > > shows you how to creates a server that
> > > integrates
> > > > > with the glib main
> > > > > loop.
> > > > >
> > > > > I'm using exactly that approach for
> > > > > remotecontrolling a gtk based
> > > > > image viewer application by sending it
> tcp-ip
> > > > > commands .
> > > > >
> > > > > Regards,
> > > > > Dov
> > > > >
> > > > > On 3/22/06, yinglcs2 yahoo com
> > > <yinglcs2 yahoo com>
> > > > > wrote:
> > > > > > In my GTK application, is it possible for
> it
> > > to
> > > > > listen
> > > > > > on a socket (as a server)?
> > > > > >
> > > > > > Thank you.
> > > > > >
> > > > > >
> > >
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