XButtonEvent         (3x)  - KeyPress, KeyRelease, ButtonPress, ButtonRelease, and MotionNotify event structures
XKeyEvent [XButtonEvent] (3x)  - KeyPress, KeyRelease, ButtonPress, ButtonRelease, and MotionNotify event structures
XMotionEvent [XButtonEvent] (3x)  - KeyPress, KeyRelease, ButtonPress, ButtonRelease, and MotionNotify event structures