Struct newt::callbacks::Callback

pub struct Callback<'a, FN: 'a, T: 'a> where
    FN: FnMut(Option<&dyn Component>, Option<&T>),  { /* fields omitted */ }

A callback called when a newt Component is activated.

Methods

impl<'a, FN: 'a, T: 'a> Callback<'a, FN, T> where
    FN: FnMut(Option<&dyn Component>, Option<&T>), 

pub fn new(
    component: &'a dyn Component,
    function: FN,
    data: Option<T>
) -> Box<Callback<'a, FN, T>>

Create a new Callback using the function or closure function and associate it with component.

• component - The Component associated with the callback.
• function - The function or closure to call when the Component is activated.
• data - Optional user data to pass to the function.

pub fn add_component(&mut self, component: &'a dyn Component, data: Option<T>)

Associate another component with the Callback.

• component - Another Component to associate with the callback.
• data - Optional user data to pass to the function.

Trait Implementations

impl<'a, FN: 'a, T: 'a> Drop for Callback<'a, FN, T> where
    FN: FnMut(Option<&dyn Component>, Option<&T>), 

fn drop(&mut self)

Executes the destructor for this type.