Hi Robert, 2008/12/15 Robert Osfield <[email protected]>
> Hi Vincent, > > On Mon, Dec 15, 2008 at 8:31 PM, Vincent Bourdier > <[email protected]> wrote: > > The disturbing thing, is that the Dragger set the commandManager in a > > pointer (dragger->setcommandManager ) so we can assume that the command > > manager is well stored in memory... but no ! > > Without the source and a good debuguer, I would not understand that.. > > Vincent. > > I'm rather busy with other tasks still so haven't looked into the > details of this problem yet. Added a ref_ptr<> into Dragger would be > OK as long as CommandManger doesn't keep references to the Draggers > otherwise a circular dependency would be created. > Yes, I was trying to solve the bug adding a ref_ptr this morning, but the circular dependency make the compilator crying ... And I don't have time before christmas too to have a look on it... so for the moment I just continue my project knowing this "problem"... Thanks, Regards, Vincent. > I really need to sit down with the design and see what would be the > best thing, this might mean refactoring things inside osgManipulator > so that there is no CommandManager, or it has a different role. > osgWidget itself could become something that osgManipulator is based > on, but this itself has some issues with application level objects > needing to be constructed that perhaps could be avoided with some > careful scene graph management. > Unfortunately all this takes some quieten time of reflection to sort > out improvements design, something I don't have the luxury of right > now. After 2.8 hopefully there will be a slot where I can sit back a > spend a few days on this stuff. For 2.8 we'll just need to spot short > term fixes like introducing a ref_ptr<> to avoid CommandManager going > out of scope while still being used. > > Robert. > _______________________________________________ > osg-users mailing list > [email protected] > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org >
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