Struct DefaultDelegate 

pub struct DefaultDelegate {
    pub normal_style: Style,
    pub selected_style: Style,
    pub item_height: usize,
    pub item_spacing: usize,
}

Default delegate for simple item rendering.

Fields

normal_style: Style

Style for normal items.

selected_style: Style

Style for selected items.

item_height: usize

Height of each item.

item_spacing: usize

Spacing between items.

Implementations

impl DefaultDelegate

pub fn new() -> Self

Creates a new default delegate.

pub fn with_height(self, h: usize) -> Self

Sets the item height.

pub fn with_spacing(self, s: usize) -> Self

Sets the item spacing.

Trait Implementations

impl Clone for DefaultDelegate

fn clone(&self) -> DefaultDelegate

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for DefaultDelegate

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

Formats the value using the given formatter.

impl Default for DefaultDelegate

fn default() -> Self

Returns the “default value” for a type.

impl<I: Item> ItemDelegate<I> for DefaultDelegate

fn height(&self) -> usize

Returns the height of each item in lines.

fn spacing(&self) -> usize

Returns the spacing between items.

fn render( &self, item: &I, _index: usize, selected: bool, width: usize, ) -> String

Renders an item.

fn update(&mut self, _msg: &Message, _item: &mut I) -> Option<Cmd>

Updates the delegate (optional).