Re: UIManager get_action_groups

["Murray Cumming" <murrayc murrayc com>]

> Hi,
>
> I'm trying to create dynamic menus using the UIManager, and am running
> into a few problems, Gtkmm-2.6.4.
>
> I'm basically trying to add an option to an existing menu structure.
> I've got a simple test app and a callback which attempts to add a new
> Action to an ActionGroup, then update the UIManager with
> add_ui_from_string.
>
> First of all, if I call
>   uimanager->get_action_groups()
> and do nothing more, when I exit a test case app, I get several lines
> sush as;
>
> (a.out:17434): GLib-GObject-CRITICAL **: g_object_unref: assertion
> `G_IS_OBJECT (object)' failed
>
> This also happens if I click the same menuitem to perform the callback
> again, and sometimes I just get a Segmentation fault.
>
> is this somehow related to this post?
> http://mail.gnome.org/archives/gtkmm-list/2004-March/msg00184.html

Yes, it is probably similar. In this case, the ListHandle probably needs
to use a different ownership. Could you please add a bugzilla entry for
it, so someone can fix it when they have a chance.

> It seems if I hold onto the RefPtr<ActionGroup> returned when the
> ActionGroup is first created, I can add the new item, and update the
> UIManager, however if I attempt to access the ActionGroup via the
> UIManager, it fails.
>
> Am I doing something daft? Suggestions?
> ~Colin.


Murray Cumming
murrayc murrayc com
www.murrayc.com
www.openismus.com