The basis for all comparison. bits 0-8: Button/axis number. bits 9-16: Modifier flags. bits 17-19: Device type ID. bits 20-23: Device number. bits 24-31: Extended area.
See Implementation
The basis for all comparison. bits 0-8: Button/axis number. bits 9-16: Modifier flags. bits 17-19: Device type ID. bits 20-23: Device number. bits 24-31: Extended area.