Gets the current location of @device. As a slave device coordinates are those of its master pointer, This function may not be called on devices of type %GDK_DEVICE_TYPE_SLAVE, unless there is an ongoing grab on them, see gdk_device_grab().
location to store the #GdkScreen the @device is on, or %NULL.
location to store root window X coordinate of @device, or %NULL.
location to store root window Y coordinate of @device, or %NULL.
3.0
See Implementation
Gets the current location of @device. As a slave device coordinates are those of its master pointer, This function may not be called on devices of type %GDK_DEVICE_TYPE_SLAVE, unless there is an ongoing grab on them, see gdk_device_grab().