runa_wayland_protocols::stable::viewporter::wp_viewporter::v1

Trait RequestDispatch

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pub trait RequestDispatch<Ctx> {
    type Error;
    type DestroyFut<'a>: Future<Output = Result<(), Self::Error>> + 'a
       where Ctx: 'a;
    type GetViewportFut<'a>: Future<Output = Result<(), Self::Error>> + 'a
       where Ctx: 'a;

    // Required methods
    fn destroy<'a>(ctx: &'a mut Ctx, object_id: u32) -> Self::DestroyFut<'a>;
    fn get_viewport<'a>(
        ctx: &'a mut Ctx,
        object_id: u32,
        id: NewId,
        surface: Object,
    ) -> Self::GetViewportFut<'a>;
}

Required Associated Types§

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type Error

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type DestroyFut<'a>: Future<Output = Result<(), Self::Error>> + 'a where Ctx: 'a

Type of future returned by destroy

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type GetViewportFut<'a>: Future<Output = Result<(), Self::Error>> + 'a where Ctx: 'a

Type of future returned by get_viewport

Required Methods§

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fn destroy<'a>(ctx: &'a mut Ctx, object_id: u32) -> Self::DestroyFut<'a>

unbind from the cropping and scaling interface

Informs the server that the client will not be using this protocol object anymore. This does not affect any other objects, wp_viewport objects included.

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fn get_viewport<'a>( ctx: &'a mut Ctx, object_id: u32, id: NewId, surface: Object, ) -> Self::GetViewportFut<'a>

extend surface interface for crop and scale

Instantiate an interface extension for the given wl_surface to crop and scale its content. If the given wl_surface already has a wp_viewport object associated, the viewport_exists protocol error is raised.

Dyn Compatibility§

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementors§