I've been looking at the demo app for awhile now. Specifically the use of
g_object_set_data to add a boolean to items so that the item_view_created
signal can determine whether or not to add the event handlers.
I quite like the idea of having the view generate the item view created
signal for this purpose, there just needs to be a better C++ way to
accomplish the g_object_set/get_data method. The best fix I came up with
would be to patch goocanvas to add some sort of switch to turn this signal
on and off.
Anyway, just a thought for now I wanted to write down before I forgot.
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