The ::scroll-event signal is emitted when a button in the 4 to 7
range is pressed. Wheel mice are usually configured to generate
button press events for buttons 4 and 5 when the wheel is turned.
Whether this event is emitted is platform-dependent.
TRUE to stop other handlers from being invoked for the event.
FALSE to propagate the event further.
Since 2.16
The ::scroll-event signal is emitted when a button in the 4 to 7 range is pressed. Wheel mice are usually configured to generate button press events for buttons 4 and 5 when the wheel is turned. Whether this event is emitted is platform-dependent. TRUE to stop other handlers from being invoked for the event. FALSE to propagate the event further. Since 2.16