To receive this signal the GdkWindow associated to the widget needs
to enable the GDK_PROXIMITY_OUT_MASK mask.
This signal will be sent to the grab widget if there is one.
TRUE to stop other handlers from being invoked for the event.
FALSE to propagate the event further.
To receive this signal the GdkWindow associated to the widget needs to enable the GDK_PROXIMITY_OUT_MASK mask. This signal will be sent to the grab widget if there is one. TRUE to stop other handlers from being invoked for the event. FALSE to propagate the event further.