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SignalQuery
===================================================================

.. currentmodule:: gi.repository.GObject





.. class:: SignalQuery(*args, **kwargs)
   :no-contents-entry:






A structure holding in-depth information for a specific signal.

See also: :func:`~gi.repository.GObject.signal_query`












Fields
------

.. rst-class:: interim-class

.. class:: SignalQuery
   :no-index:
   

   .. attribute:: itype

      The interface/instance type that this signal can be emitted for.






   .. attribute:: n_params

      The number of parameters that user callbacks take.






   .. attribute:: param_types

      The individual parameter types for
       user callbacks, note that the effective callback signature is:


      .. code-block:: C
          :dedent:

           @return_type callback (#gpointer     data1,
           [param_types param_names,]
           gpointer     data2);






   .. attribute:: return_type

      The return type for user callbacks.






   .. attribute:: signal_flags

      The signal flags as passed in to :func:`~gi.repository.GObject.signal_new`.






   .. attribute:: signal_id

      The signal id of the signal being queried, or 0 if the
       signal to be queried was unknown.






   .. attribute:: signal_name

      The signal name.