elements documentation (r105)

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elements.callbacks

elements callback subclass

• elements.callbacks.add - add a new callback
• elements.callbacks.get - get a list of callbacks

The subclass takes care of registering and delivering callbacks.




elements.callbacks.add
add a new callback
elements.callbacks.add(callback_type, callback_handler, bodylist=None): return int

Users can add callbacks for certain (or all) collisions

Parameters:
callback_type ......... see elements.locals and manual.html#callbacks
callback_handler ...... a function which should be executed on the specified event
shapelist (optional) .. which shapes should cause the callback -- leave empty for all

Return:
callback_id ... used to remove a callback later (int)




elements.callbacks.get
get a callback listing
elements.callbacks.get(callback_type): return List

Users can get callback listing

Parameters:
callback_type ......... see elements.locals and manual.html#callbacks