Re: Glib::RefPtr

[Phil Wolff <adiabat centurylink net>]

I'd like to use FlowBox::bind_list_store() in a photo-management 
application by building a set of ListStore<T_item> for the contents of 
each of several folders on a remote system (a time-consuming process), 
and then choosing which to display by binding the appropriate model. 
Problem is, when I try to bind a model that has previously been bound 
and then unbound (again quoting the documentation "If this FlowBox was 
already bound to a Gio::ListModel, that previous binding is 
destroyed."), I find that it's not just the binding that was destroyed, 
but the widgets within the model's <T_item>s are destroyed as well. I'd 
like to be able to copy the model (which is behind a RefPtr) and bind 
the copy, thereby avoiding having to rebuild the model each time I want 
to reuse it.

Actually, if I could serialize/deserialize the model a la 
Gtk::TextBuffer, that might also work. Is that doable?


On 10/08/2017 06:29 AM, Daniel Boles wrote:
> Well, there is always operator->() ...
>
> but what kind of object are you wanting to copy? There's a good chance 
> it doesn't have the right semantics for that. Most mm objects are not 
> copyable, just movable. (And most GObjects aren't copyable either; 
> properties are not the only state they hold.)
>
>
>
>
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