[ruby-talk:01622] Re: Ruby/GTK and the mainloop

Masaki Fukushima <[e-mail]> writes:

> Ian Main <[e-mail]> wrote:
> > >  * Toolkit must provides select substitution API such as
> > >    g_main_set_poll_func().  I don't know that other toolkits than
> > >    GTK provide one.
> > 
> > and g_timeout_add for sleep () etc. right ?  This is what I was thinking.
> 
> Hmm...
> We probably think a bit differently.
> 
> I have no intention of using g_timeout_add().  In my approach,
> Ruby scheduler is dominant and GTK mainloop is a Ruby thread.  So
> there is no need of telling timeout to GTK.
> 
> Brief description of my proposal:
> 
>  * Implement a poll_func using rb_thread_select().  The poll_func
>    provides the same facility as select().
> 
>  * Register the poll_func to GTK by g_main_set_poll_func().
>    Then enter GTK mainloop.
> 
>  * When GTK mainloop invokes the poll_func, the poll_func calls
>    rb_thread_select() and the control comes back to Ruby
>    scheduler.

This approach sounds like it is specific to Gtk. It would be nice to
have a more general approach, which would allow Ruby to be embedded in 
other applications in the future. Is this possible?

Dave