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, or the device has a tool.
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, or the device has a tool.