EventControllerScroll.addOnDecelerate

Emitted after scroll is finished if the #GTK_EVENT_CONTROLLER_SCROLL_KINETIC flag is set. @vel_x and @vel_y express the initial velocity that was imprinted by the scroll events. @vel_x and @vel_y are expressed in pixels/ms.

class EventControllerScroll
gulong
addOnDecelerate
(
void delegate
(
double
,
double
,)
dlg
,)

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