Qt slot called multiple times

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Qt is based on C++ but uses a special code generator called the Meta Object Compiler (MOC) together with several macros to extend the language. Coding Standards | Kartoza @pyqtSignature('int') def on_polygon_layers_combo_currentIndexChanged(self, theIndex=None): """Automatic slot executed when the layer is changed to update fields. :param theIndex: Passed by the signal that triggers this slot. :type theIndex … Horn loudspeaker - Wikipedia

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See here for the deprecated syntax using the slot attribute. There are times when it’s useful to have multiple ... Attributes bound to a element are called slot props. Now, ... Whenever there are multiple slots, ... VTK: vtkEventQtSlotConnect Class Reference This method is called when ... Manage connections between VTK events and Qt slots. vtkEventQtSlotConnect provides a way to manage ... Connect a vtk object's event with a Qt object's slot. Multiple connections which are ... Qt Signals & Slots: How they work | nidomiro

QObject is the heart of the Qt Object Model.The central feature in this model is a very powerful mechanism for seamless object communication called signals and slots.You can connect a signal to a slot with connect() and destroy the connection with disconnect(). To avoid never ending notification loops you can ...multiple slot same signal qt

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As you might have seen in the previous example, the slot was just declared as public and not as slot. Qt will indeed call directly the function pointer of the slot, and will not need moc introspection anymore. (It still needs it for the signal) But what we can also do is connecting to any function or functor: