Trait piston::input::MouseScrollEvent
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pub trait MouseScrollEvent { 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.
Provided Methods
fn mouse_scroll_args(&self) -> Option<[f64; 2]>
Returns mouse scroll arguments.
Implementors
impl<T> MouseScrollEvent for T where T: GenericEvent