Struct ListState 

pub struct ListState {
    pub items: Vec<String>,
    pub selected: usize,
}

State for a selectable list widget.

Pass a mutable reference to Context::list each frame. Up/Down arrow keys (and k/j) move the selection when the widget is focused.

Fields

items: Vec<String>

The list items as display strings.

selected: usize

Index of the currently selected item.

Implementations

impl ListState

pub fn new(items: Vec<impl Into<String>>) -> Self

Create a list with the given items. The first item is selected initially.

pub fn selected_item(&self) -> Option<&str>

Get the currently selected item text, or None if the list is empty.