Struct ListState 

pub struct ListState {
    pub selected: usize,
    /* private fields */
}

Scroll and selection state for a render_list widget.

Fields

selected: usize

Index of the currently selected item.

Implementations

impl ListState

pub fn new() -> Self

Create a new ListState with nothing selected and no scroll offset.

pub fn select_next(&mut self, item_count: usize)

Move selection to the next item, wrapping around at the end.

pub fn select_prev(&mut self)

Move selection to the previous item, wrapping around at the beginning.

pub fn selected(&self) -> usize

Return the index of the currently selected item.

pub fn offset(&self) -> usize

Return the current scroll offset (index of the first visible item).

Trait Implementations

impl Default for ListState

fn default() -> Self

Returns the “default value” for a type.