Struct Dropdown 

pub struct Dropdown { /* private fields */ }

A select control: a trigger showing the current option; tapping opens a Menu of options below it; choosing one calls on_change(index).

Implementations

impl Dropdown

pub fn new( options: Vec<impl Into<String>>, selected: usize, open: Atom<bool>, ) -> Self

pub fn width(self, w: f32) -> Self

pub fn disabled(self) -> Self

pub fn background(self, c: Color) -> Self

Trigger fill color (theme’s surface_variant if unset).

pub fn color(self, c: Color) -> Self

Label/chevron color (theme’s on_surface if unset).

pub fn border(self, c: Color, w: f32) -> Self

pub fn radius(self, r: f32) -> Self

pub fn on_change(self, f: impl Fn(usize) + Send + Sync + 'static) -> Self

Trait Implementations

impl Widget for Dropdown

fn layout(&self, ctx: &LayoutCtx<'_>) -> Size

Measure under ctx.constraints and return a size within them.

fn paint(&self, ctx: &mut PaintCtx<'_>)

Record draw commands for ctx.rect.

fn children(&self) -> Children<'_>

Declare this widget’s children. Drives every default below.

fn flex_factor(&self) -> f32

Flex weight inside Row/Column. Wrappers are transparent by default.

fn into_element(self) -> Element

where Self: Sized + 'static,

Wrap this widget in an Element so it can be returned from Component::build().