Enum ScrollSource 

pub enum ScrollSource {
    Wheel,
    Touch,
}

What produced a scroll delta.

A wheel notch and a one-finger drag are the same Vec2 by the time they reach a handler, which is why a canvas cannot decide “zoom” from the value alone. Two-finger pan and pinch are not scrolls: they arrive as crate::shortcuts::Gesture actions instead.

Variants

Wheel

A mouse wheel or trackpad.

Touch

A single-finger drag across a surface.

Trait Implementations

impl Clone for ScrollSource

fn clone(&self) -> Self

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Copy for ScrollSource

impl Debug for ScrollSource

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Eq for ScrollSource

impl Hash for ScrollSource

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl PartialEq for ScrollSource

fn eq(&self, other: &Self) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for ScrollSource