func (v *EventButton) XRoot() float64 {
	c := v.native().x_root
	return float64(c)
}
func (v *EventButton) XRoot() float64 {
	c := v.native().x_root
	return float64(c)
}
func ( v * EventButton ) XRoot ( ) float64 { c := v . native ( ) . x_root return float64 ( c ) }
// XRoot returns the x coordinate of the pointer relative to the root of the screen.
XRoot returns the x coordinate of the pointer relative to the root of the screen .