Hi List!
I'm trying to create a custom Goocanvas::Item, using the goocanvasmm
library.
So far i've created 2 classes, the Model class inherits from
Goocanvas::GroupModel, and the View class
from Goocanvas::Group.
I've implemented the View by creating Goocanvas::Items in the View's
class constructor and adding it to it
by calling add_child(someItem), Then, in the Model class i implement the
application logic.
As far as creating the objects, i'm trying to use the
Goocanvas::Canvas::create_item() method, like this:
Glib::RefPtr<myCustomItemModel> model = myCustomItemModel::create();
Glib::RefPtr<myCustomItem> item =
Glib::RefPtr<myCustomItem>::cast_dynamic(canvas->create_item(model));
Here however the dynamic cast to myCustomItem fails.
Is this the way to use the model/view canvas properly, or did i
misunderstand the whole concept ?
Thanks for your help!
Robert
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