Trait guion::ctx::Context[−][src]

pub trait Context<E>: Sized + 'static where
    E: Env<Context = Self>, {
    type Handler: Handler<E>;
    type Queue: Queue<StdEnqueueable<E>, StdOrder>;
    fn queue_mut(&mut self) -> &mut Self::Queue;

    fn queue(&self) -> &Self::Queue;

    fn render(&mut self, w: Resolved<'_, E>, r: &mut RenderLink<'_, E>) { ... }

    fn event_direct(
        &mut self, 
        w: Resolved<'_, E>, 
        e: &EventCompound<E>
    ) -> EventResp { ... }

    fn send_event(
        &mut self, 
        w: Resolved<'_, E>, 
        e: &EventCompound<E>, 
        child: E::WidgetPath
    ) -> Result<EventResp, GuionError<E>> { ... }

    fn size(&mut self, w: Resolved<'_, E>, e: &EStyle<E>) -> ESize<E> { ... }

    fn _event_root(
        &mut self, 
        w: Resolved<'_, E>, 
        e: &EventCompound<E>
    ) -> EventResp { ... }

    fn link<'l: 's, 's>(&'s mut self, w: Resolved<'l, E>) -> Link<'s, E> { ... }
}

The Context contains the Handlers, the Queue and other side data and is also the entry point for most actions.
A Context is regularly referenced in parallel with the widget tree

Associated Types

type Handler: Handler<E>[src]

type Queue: Queue<StdEnqueueable<E>, StdOrder>[src]

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Required methods

fn queue_mut(&mut self) -> &mut Self::Queue[src]

fn queue(&self) -> &Self::Queue[src]

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Provided methods

fn render(&mut self, w: Resolved<'_, E>, r: &mut RenderLink<'_, E>)[src]

fn event_direct(
    &mut self,
    w: Resolved<'_, E>,
    e: &EventCompound<E>
) -> EventResp[src]

fn send_event(
    &mut self,
    w: Resolved<'_, E>,
    e: &EventCompound<E>,
    child: E::WidgetPath
) -> Result<EventResp, GuionError<E>>[src]

fn size(&mut self, w: Resolved<'_, E>, e: &EStyle<E>) -> ESize<E>[src]

fn _event_root(&mut self, w: Resolved<'_, E>, e: &EventCompound<E>) -> EventResp[src]

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Implementors

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