Trait Widget

pub trait Widget<Message, R, E: Event, S>
where
    R: Renderer,
{
    // Required methods
    fn id(&self) -> Option<ElId>;
    fn tree_ids(&self) -> Vec<ElId>;
    fn size(&self) -> Size<Length>;
    fn layout(
        &self,
        ctx: &mut UiCtx<Message>,
        state: &mut StateNode,
        styler: &S,
        limits: &Limits,
        viewport: &Viewport,
    ) -> LayoutNode;
    fn draw(
        &self,
        ctx: &mut UiCtx<Message>,
        state: &mut StateNode,
        renderer: &mut R,
        styler: &S,
        layout: Layout<'_>,
    );

    // Provided methods
    fn position(&self) -> Position { ... }
    fn on_event(
        &mut self,
        ctx: &mut UiCtx<Message>,
        event: E,
        state: &mut StateNode,
    ) -> EventResponse<E> { ... }
    fn state_tag(&self) -> StateTag { ... }
    fn state(&self) -> State { ... }
    fn state_children(&self) -> Vec<StateNode> { ... }
}

Required Methods

fn id(&self) -> Option<ElId>

fn tree_ids(&self) -> Vec<ElId>

fn size(&self) -> Size<Length>

fn layout( &self, ctx: &mut UiCtx<Message>, state: &mut StateNode, styler: &S, limits: &Limits, viewport: &Viewport, ) -> LayoutNode

fn draw( &self, ctx: &mut UiCtx<Message>, state: &mut StateNode, renderer: &mut R, styler: &S, layout: Layout<'_>, )

Provided Methods

fn position(&self) -> Position

fn on_event( &mut self, ctx: &mut UiCtx<Message>, event: E, state: &mut StateNode, ) -> EventResponse<E>

fn state_tag(&self) -> StateTag

fn state(&self) -> State

fn state_children(&self) -> Vec<StateNode>

Trait Implementations

impl<'a, Message, R: Renderer, E: Event, S> Borrow<dyn Widget<Message, R, E, S> + 'a> for &El<'a, Message, R, E, S>

fn borrow(&self) -> &(dyn Widget<Message, R, E, S> + 'a)

Immutably borrows from an owned value.

impl<'a, Message, R: Renderer, E: Event, S> Borrow<dyn Widget<Message, R, E, S> + 'a> for El<'a, Message, R, E, S>

fn borrow(&self) -> &(dyn Widget<Message, R, E, S> + 'a)

Immutably borrows from an owned value.

Implementors

impl<'a, Message, R, E, S> Widget<Message, R, E, S> for Button<'a, Message, R, E, S>

where Message: Clone, R: Renderer, E: Event, S: ButtonStyler<R::Color>,

impl<'a, Message, R, E, S> Widget<Message, R, E, S> for Checkbox<'a, Message, R, S>

where R: Renderer, E: Event, S: CheckboxStyler<R::Color>,

impl<'a, Message, R, E, S> Widget<Message, R, E, S> for Knob<'a, Message, R, E, S>

where R: Renderer, E: Event, S: KnobStyler<R::Color>,

impl<'a, Message, R, E, S> Widget<Message, R, E, S> for Select<'a, Message, R, E, S>

where R: Renderer, E: Event, S: SelectStyler<R::Color>,

impl<'a, Message, R, E, S> Widget<Message, R, E, S> for Slider<'a, Message, R, S>

where R: Renderer, E: Event, S: SliderStyler<R::Color>,

impl<'a, Message, R: Renderer, E: Event, S> Widget<Message, R, E, S> for El<'a, Message, R, E, S>

impl<'a, Message, R: Renderer, E: Event, S, D: LinearDirection> Widget<Message, R, E, S> for Linear<'a, Message, R, E, S, D>

impl<'a, T, Message, R, E: Event, S> Widget<Message, R, E, S> for Text<'a, T, R>

where T: Display, R: Renderer,

impl<Message, R, E, S> Widget<Message, R, E, S> for Divider<R>

where R: Renderer, E: Event,

impl<Message, R, E, S> Widget<Message, R, E, S> for Icon<R>

where R: Renderer, E: Event,

impl<T, Message, R, E, S> Widget<Message, R, E, S> for Value<T>

where R: Renderer, E: Event, T: Widget<Message, R, E, S>,