gdkDeviceGetHistory: gdkDeviceGetHistory
Description
Obtains the motion history for a device; given a starting and
ending timestamp, return all events in the motion history for
the device in the given range of time. Some windowing systems
do not support motion history, in which case, FALSE will
be returned. (This is not distinguishable from the case where
motion history is supported and no events were found.)Usage
gdkDeviceGetHistory(object, window, start, stop)
Value
A list containing the following elements:retval[logical] TRUE if the windowing system supports motion history and
at least one event was found.events[GdkTimeCoord] location to store a newly-allocated list of GdkTimeCoord, or NULLn.events[integer] location to store the length of events, or NULL