[−][src]Trait input::mouse::MouseScrollEvent

pub trait MouseScrollEvent: Sized {
    fn from_xy(x: f64, y: f64, old_event: &Self) -> Option<Self>;

    fn mouse_scroll<U, F>(&self, f: F) -> Option<U>
    where
        F: FnMut(f64, f64) -> U;

    fn mouse_scroll_args(&self) -> Option<[f64; 2]> { ... }
}

The scroll of the mouse wheel

Required methods

fn from_xy(x: f64, y: f64, old_event: &Self) -> Option<Self>

Creates a mouse scroll event.

fn mouse_scroll<U, F>(&self, f: F) -> Option<U> where
    F: FnMut(f64, f64) -> U, 

Calls a closure if this is a mouse scroll event.

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Provided methods

fn mouse_scroll_args(&self) -> Option<[f64; 2]>

Returns mouse scroll arguments.

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Implementors

impl MouseScrollEvent for Event[src]

fn mouse_scroll_args(&self) -> Option<[f64; 2]>[src]

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