Struct SelectState 

pub struct SelectState {
    pub selected: usize,
    pub count: usize,
    pub scroll_offset: usize,
    pub max_visible: Option<usize>,
}

Helper struct for managing select state.

Fields

selected: usize

Currently selected index.

count: usize

Number of items.

scroll_offset: usize

Scroll offset for long lists.

max_visible: Option<usize>

Maximum visible items.

Implementations

impl SelectState

pub fn new(count: usize) -> Self

Create a new select state.

pub fn max_visible(self, max: usize) -> Self

Set maximum visible items.

pub fn up(&mut self)

Move selection up.

pub fn down(&mut self)

Move selection down.

pub fn first(&mut self)

Move to first item.

pub fn last(&mut self)

Move to last item.

pub fn jump_to(&mut self, index: usize)

Jump to a specific index.

pub fn page_up(&mut self)

Page up (move by max_visible or 5 items).

pub fn page_down(&mut self)

Page down (move by max_visible or 5 items).

Trait Implementations

impl Clone for SelectState

fn clone(&self) -> SelectState

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for SelectState

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.