Re: gEDA-dev: DBUS in external hid?

[DJ Delorie <dj-at-NOSPAMdelorie_dot_com>]

> For those who need it it's mostly transparent, for those who don't
> need it easy to avoid.

The problem with a dbus hid is that it needs to be able to respond to
events even when the GUI isn't expecting them.  That usually means the
GUI needs to somehow poll for those events as part of its event loop.
Thus, the gui needs to know at least *something* about the way the
protocol works.

Although, we could add something like Xt's api for listening on
sockets - you register a file descriptor and a callback with Xt, and
when there's data to be read on the file descriptor, the callback is
called.  We could probably hook that into all the guis somehow.

Of course, whether that's useful or not now depends on dbus being able
to work with that kind of callback.


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