"toggled" Only signal a change if the user made one. Toggled would be signalled even when we set it programmatically (e.g. by simply creating the checkbox widget and setting its state) causing unnecessary re-caches of the sequence.
"toggled" Only signal a change if the user made one. Toggled would be signalled even when we set it programmatically (e.g. by simply creating the checkbox widget and setting its state) causing unnecessary re-caches of the sequence.