Trait AsyncDisplay

pub trait AsyncDisplay: CanBeAsyncDisplay {
    // Required method
    fn poll_for_interest(
        &mut self,
        interest: Interest,
        callback: &mut dyn FnMut(&mut dyn AsyncDisplay, &mut Context<'_>) -> Result<()>,
        ctx: &mut Context<'_>,
    ) -> Poll<Result<()>>;
}

A non-blocking interface to the X11 server.

This is an asynchronous version of the Display trait. It can do everything that a Display can do, but it doesn’t block and return values. Instead, it returns a Future that can be used to wait for the result.

Required Methods

fn poll_for_interest( &mut self, interest: Interest, callback: &mut dyn FnMut(&mut dyn AsyncDisplay, &mut Context<'_>) -> Result<()>, ctx: &mut Context<'_>, ) -> Poll<Result<()>>

Poll for an interest. If the interest if ready, call the provided callback.

This function is used to drive I/O. It should be called whenever the runtime is ready to wait on I/O, and should be implemented as follows:

• Poll for the specific interest.
• If the interest is ready, call the given callback.
• Otherwise, return Pending.

Implementations on Foreign Types

impl<'lt, D: AsRawFd + DisplayBase> AsyncDisplay for &'lt AsyncFd<D>

where &'lt D: CanBeAsyncDisplay,

fn poll_for_interest( &mut self, interest: Interest, callback: &mut dyn FnMut(&mut dyn AsyncDisplay, &mut Context<'_>) -> Result<()>, ctx: &mut Context<'_>, ) -> Poll<Result<()>>

impl<'lt, D: DisplayBase + Source> AsyncDisplay for &'lt Async<D>

where &'lt D: CanBeAsyncDisplay,

fn poll_for_interest( &mut self, interest: Interest, callback: &mut dyn FnMut(&mut dyn AsyncDisplay, &mut Context<'_>) -> Result<()>, ctx: &mut Context<'_>, ) -> Poll<Result<()>>

impl<D: AsRawFd + CanBeAsyncDisplay> AsyncDisplay for AsyncFd<D>

fn poll_for_interest( &mut self, interest: Interest, callback: &mut dyn FnMut(&mut dyn AsyncDisplay, &mut Context<'_>) -> Result<()>, ctx: &mut Context<'_>, ) -> Poll<Result<()>>

impl<D: AsyncDisplay + ?Sized> AsyncDisplay for &mut D

fn poll_for_interest( &mut self, interest: Interest, callback: &mut dyn FnMut(&mut dyn AsyncDisplay, &mut Context<'_>) -> Result<()>, ctx: &mut Context<'_>, ) -> Poll<Result<()>>

impl<D: AsyncDisplay + ?Sized> AsyncDisplay for Box<D>

fn poll_for_interest( &mut self, interest: Interest, callback: &mut dyn FnMut(&mut dyn AsyncDisplay, &mut Context<'_>) -> Result<()>, ctx: &mut Context<'_>, ) -> Poll<Result<()>>

impl<D: CanBeAsyncDisplay + Source> AsyncDisplay for Async<D>

fn poll_for_interest( &mut self, interest: Interest, callback: &mut dyn FnMut(&mut dyn AsyncDisplay, &mut Context<'_>) -> Result<()>, ctx: &mut Context<'_>, ) -> Poll<Result<()>>

Implementors

impl<Dpy: AsyncDisplay + ?Sized> AsyncDisplay for &CellDisplay<Dpy>

impl<Dpy: AsyncDisplay + ?Sized> AsyncDisplay for &SyncDisplay<Dpy>

impl<Dpy: AsyncDisplay + ?Sized> AsyncDisplay for CellDisplay<Dpy>

impl<Dpy: AsyncDisplay + ?Sized> AsyncDisplay for SyncDisplay<Dpy>