Trait Scrollable

pub trait Scrollable {
    // Required methods
    fn selected(&self) -> usize;
    fn len(&self) -> usize;
    fn set_selected(&mut self, selected: usize) -> bool;
    fn element_height(&self, index: usize) -> u16;
    fn visible_range(&self, height: u16) -> Box<dyn Iterator<Item = usize>>;
    fn visible_start_end(&self, height: u16) -> (usize, usize);
    fn up(&mut self, how_much: usize);
    fn down(&mut self, how_much: usize);
}

Required Methods

fn selected(&self) -> usize

fn len(&self) -> usize

fn set_selected(&mut self, selected: usize) -> bool

fn element_height(&self, index: usize) -> u16

fn visible_range(&self, height: u16) -> Box<dyn Iterator<Item = usize>>

fn visible_start_end(&self, height: u16) -> (usize, usize)

fn up(&mut self, how_much: usize)

fn down(&mut self, how_much: usize)

Implementors