On Wednesday 16 September 2009 16:28:52 Diez B. Roggisch wrote: > Hi, > > when wrapping a C++-library with SIP ( 4.9-snapshot-20090821) I run into > a couple of issues. > > First of all, the library I wrap has a hierarchy of classes (all > descending from ISceneNode) which I wrapped. > > Now through an instance of a so-called ISceneManager, I can access > instances of the current scene-graph which are ISceneNode-instances. > Consequently, the signature for one of the accessory-methods looks like > this: > > ISceneNode *getSceneNodeFromID(int) > > So far, so good. > > Now problem number one comes up: I *know* a certain node is of type e.g. > IMeshSceneNode. But when I access it via the above method, all I get is > an ISceneNode. My C++-foo is rusty, and I know that RTTI isn't always > available - I just wonder: is there a way for SIP to figure out the > actual type of the instance returned, and wrap it accordingly? If yes, > what do I need to do to enable that feature? > > However, the library in question offers a getType()-call on ISceneNodes, > and this I can use to write casting-code myself. >
You need to implement %ConvertToSubClassCode, it's covered in the docs. I have no idea about the crash. Matt _______________________________________________ PyQt mailing list [email protected] http://www.riverbankcomputing.com/mailman/listinfo/pyqt
