Struct WheelEventHandler

pub struct WheelEventHandler { /* private fields */ }

Mouse wheel is moved/scrolled (Arg is wheel delta)

Implementations

impl WheelEventHandler

pub fn new() -> Self

pub fn on<F>(&mut self, callback: F)

where F: FnMut(&WheelEvent) + 'static,

pub fn raise(delta: c_float)

pub fn index(&self) -> Option<usize>

pub fn reorder(&self, new_index: usize) -> Option<()>

Reorder by index

Trait Implementations

impl Default for WheelEventHandler

fn default() -> Self

Returns the “default value” for a type.

impl Drop for WheelEventHandler

fn drop(&mut self)

Executes the destructor for this type.