Hi Judson and Jeremy, On 15 April 2013 22:15, Judson Weissert <[email protected]> wrote:
> I know the feeling :) I am having difficulties trying to figure out the > likelihood of circular references if the type is switched from observer_ptr > to ref_ptr. I noticed that there are some clients that call the > osgWidget::Callback constructor and pass "this" as the obj argument. That > is, the callback IS an osgWidget::Window. Currently, I am not thinking > clearly enough to identify the repercussions of the aforementioned behavior > if the callbacks were stored as a ref_ptr. See osgwidgetnotebook for > example. > I've looked at the code and the way the osgwidget examples use the addCallback() method and it looks to me like the list should be a ref_ptr<>, I looked for potential for circular references and didn't spot any. I've modified the code to use a ref_ptr<> and the osgwidget examples I tried all worked fine so have now checked this change into svn/trunk. Cheers, Robert.
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