Re: Connecting external signal handlers to a encapsulated TreeSelection

[Matthias Kaeppler <nospam digitalraid com>]

Matthias Kaeppler wrote:
>     Glib::SignalProxy0<void>& signal_selection_changed() {
>         return m_sel_ref->signal_changed();
>     }

Sorry, this of course doesn't compile (reference to temporary), so just 
skip the ampersand.

I still wonder though how this can work at all (and it does, I tested 
it). If signal_changed() returns a copy of some sigc signal object, I 
would connect the handler to the copy, not the "real" signal object.

How come?

--
Matthias Kaeppler