Method

Gdk.Event.get_history

Declaration [src]

GdkTimeCoord*
gdk_event_get_history (
  GdkEvent* event,
  guint* out_n_coords
)

Description [src]

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.

Parameters

out_n_coords guint*
 

Return location for the length of the returned array

 Direction: out
 Ownership of the data is transferred to the callee

Return value

Returns: An array of GdkTimeCoord

an array of time and coordinates

 The length of the array is in the out_n_coords argument
Ownership of the container type is transferred to the caller
Can be NULL