Struct ObjectListState 

pub struct ObjectListState { /* private fields */ }

State for the object list widget.

Implementations

impl ObjectListState

pub fn new(objects: Vec<ObjectInfo>) -> Self

Create a new object list state.

pub fn len(&self) -> usize

Returns the total number of objects.

pub fn is_empty(&self) -> bool

Returns true if there are no objects.

pub fn selected_object(&self) -> Option<&ObjectInfo>

Get the currently selected object.

pub fn selected_index(&self) -> usize

Get the selected absolute index.

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

Move selection down by one.

pub fn select_prev(&mut self)

Move selection up by one.

pub fn scroll_down_half(&mut self, viewport_height: usize)

Move selection down by half a page.

pub fn scroll_up_half(&mut self, viewport_height: usize)

Move selection up by half a page.

pub fn scroll_down_page(&mut self, viewport_height: usize)

Move selection down by a full page.

pub fn scroll_up_page(&mut self, viewport_height: usize)

Move selection up by a full page.

pub fn select_first(&mut self)

Jump to the first object.

pub fn select_last(&mut self, viewport_height: usize)

Jump to the last object.

pub fn update_object(&mut self, index: usize, info: ObjectInfo)

Update an object’s info (used for lazy categorization).

pub fn get_object_mut(&mut self, index: usize) -> Option<&mut ObjectInfo>

Get a mutable reference to an object for updating.

Trait Implementations

impl Debug for ObjectListState

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

Formats the value using the given formatter.