scroll_event

Description:

public virtual signal bool scroll_event (EventScroll event)

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.

To receive this signal, the Window associated to the widget needs to enable the SCROLL_MASK mask.

This signal will be sent to the grab widget if there is one.

Parameters:

event

the EventScroll which triggered this signal.

Returns:

true to stop other handlers from being invoked for the event. false to propagate the event further.