Retrieves the history of the device that @event is for, as a list of time and coordinates.
The history includes positions that are not delivered as separate events to the application because they occurred in the same frame as @event.
Note that only motion and scroll events record history, and motion events do it only if one of the mouse buttons is down.
an array of time and coordinates
See Implementation
Retrieves the history of the device that @event is for, as a list of time and coordinates.
The history includes positions that are not delivered as separate events to the application because they occurred in the same frame as @event.
Note that only motion and scroll events record history, and motion events do it only if one of the mouse buttons is down.