Struct TreeView 

pub struct TreeView { /* private fields */ }

A tree view component with collapsible nodes and keyboard navigation.

Renders with tree-drawing characters. The selected node is highlighted with the theme’s accent color and bold.

Implementations

impl TreeView

pub fn new(nodes: Vec<TreeNode>) -> Self

Create a new tree view with the given root nodes.

Defaults to selecting the first root node (if any).

Trait Implementations

impl Component for TreeView

fn render(&self, width: u16) -> Result<Rendered, RenderError>

Render this component into lines of text at the given width.

fn handle_input(&mut self, event: &Event) -> InputResult

Handle an input event (key press, resize, mouse, etc.).

fn as_focusable(&self) -> Option<&dyn Focusable>

Cast this component to a Focusable reference, if supported.

fn as_focusable_mut(&mut self) -> Option<&mut dyn Focusable>

Cast this component to a mutable Focusable reference, if supported.

fn render_rect(&self, rect: Rect) -> Result<Rendered, RenderError>

Render this component into a specific rectangular area.

fn wants_key_release(&self) -> bool

Returns true if this component wants to receive KeyEventKind::Release events in addition to Press / Repeat.

impl Focusable for TreeView

fn focused(&self) -> bool

Returns true when this component currently has focus.

fn set_focused(&mut self, focused: bool)

Set or clear the focused state.