Trait smithay::backend::input::PointerAxisEvent[−][src]

pub trait PointerAxisEvent<B: InputBackend>: Event<B> {
    fn amount(&self, axis: Axis) -> Option<f64>;

    fn amount_discrete(&self, axis: Axis) -> Option<f64>;

    fn source(&self) -> AxisSource;
}
Expand description

Trait for pointer events generated by scrolling on an axis.

Required methods

Amount of scrolling in pixels on the given Axis.

Guaranteed to be Some when source returns either AxisSource::Finger or AxisSource::Continuous.

Amount of scrolling in discrete steps on the given Axis.

Guaranteed to be Some when source returns either AxisSource::Wheel or AxisSource::WheelTilt.

Source of the scroll event.

Implementations on Foreign Types

Implementors