Struct MenuState 

pub struct MenuState { /* private fields */ }

State for a Menu component.

Implementations

impl MenuState

pub fn new(items: Vec<MenuItem>) -> Self

Creates a new menu with the given items.

Example

use envision::component::{MenuState, MenuItem};

let state = MenuState::new(vec![
    MenuItem::new("File"),
    MenuItem::new("Edit"),
]);
assert_eq!(state.items().len(), 2);

pub fn items(&self) -> &[MenuItem]

Returns the menu items.

pub fn set_items(&mut self, items: Vec<MenuItem>)

Sets the menu items.

Resets selection to 0 if the current selection is out of bounds.

pub fn add_item(&mut self, item: MenuItem)

Adds a menu item.

pub fn selected_index(&self) -> usize

Returns the currently selected item index.

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

Sets the selected item index.

If the index is out of bounds, it will be clamped to the valid range.

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

Returns the currently selected item.

Trait Implementations

impl Clone for MenuState

fn clone(&self) -> MenuState

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for MenuState

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

Formats the value using the given formatter.

impl Default for MenuState

fn default() -> MenuState

Returns the “default value” for a type.