Re: [gtkmm] Removing a widget from a container temporarily

[Carl Nygard <cjnygard fast net>]

On Mon, 2004-02-16 at 10:43, Murray Cumming wrote:
> On Mon, 2004-02-16 at 09:21, Tor Arvid Lund wrote:
> > Samuel wrote:
> > > hpaned->remove(*viewport1);
> > > hpaned->remove(*viewport2);
> > > table->remove(*hpaned);
> > > table->attach(*viewport1, 0, 1, 0, 1, Gtk::FILL, Gtk::FILL, 0, 0);
> > > ------------------
> > > 
> > > This segfaults at "table->attach":
> > 
> > I think if you just call viewport1->reference(); before the remove you 
> > will be OK.
> 
> That sounds less than ideal. reparent() proably does what you want. Or
> you could just choose not use manage().
> 
> I don't think that there is a clear way to remove a manage()ed widget
> from a container without destroying it.
> 
> I guess remove() should not destroy the widgtet in C++, and you should
> probably add a bug about that. But then who would destroy it? You'd need
> to be sure to add it to something else, or unmanage it.

How about unparent() to do the reference, remove from current parent,
and return to caller?  Changing the semantics of remove() would be a
change to the API, wouldn't it?