Struct WpViewporter

pub struct WpViewporter { /* private fields */ }

Available on crate feature wayland and Linux only.

surface cropping and scaling

The global interface exposing surface cropping and scaling capabilities is used to instantiate an interface extension for a wl_surface object. This extended interface will then allow cropping and scaling the surface contents, effectively disconnecting the direct relationship between the buffer and the surface size.

This interface has no events.

Implementations

impl WpViewporter

pub fn destroy(&self)

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.

pub fn get_viewport<U, D>( &self, surface: &WlSurface, qh: &QueueHandle<D>, udata: U, ) -> WpViewport

where U: Send + Sync + 'static, D: Dispatch<WpViewport, U> + 'static,

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.

Trait Implementations

impl Borrow<ObjectId> for WpViewporter

fn borrow(&self) -> &ObjectId

Immutably borrows from an owned value.

impl Clone for WpViewporter

fn clone(&self) -> WpViewporter

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for WpViewporter

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.

impl Hash for WpViewporter

fn hash<H>(&self, state: &mut H)

where H: Hasher,

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl PartialEq<Weak<WpViewporter>> for WpViewporter

fn eq(&self, other: &Weak<WpViewporter>) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl PartialEq for WpViewporter

fn eq(&self, other: &WpViewporter) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Proxy for WpViewporter

type Request<'request> = Request<'request>

The request enum for this interface

type Event = Event

The event enum for this interface

fn interface() -> &'static Interface

The interface description

fn id(&self) -> ObjectId

The ID of this object

fn version(&self) -> u32

The version of this object

fn data<U>(&self) -> Option<&U>

where U: Send + Sync + 'static,

Access the user-data associated with this object

fn object_data(&self) -> Option<&Arc<dyn ObjectData>>

Access the raw data associated with this object.

fn backend(&self) -> &WeakBackend

Access the backend associated with this object

fn send_request( &self, req: <WpViewporter as Proxy>::Request<'_>, ) -> Result<(), InvalidId>

Send a request for this object.

fn send_constructor<I>( &self, req: <WpViewporter as Proxy>::Request<'_>, data: Arc<dyn ObjectData>, ) -> Result<I, InvalidId>

where I: Proxy,

Send a request for this object that creates another object.

fn from_id(conn: &Connection, id: ObjectId) -> Result<WpViewporter, InvalidId>

Create an object proxy from its ID

fn inert(backend: WeakBackend) -> WpViewporter

Create an inert object proxy

fn parse_event( conn: &Connection, msg: Message<ObjectId, OwnedFd>, ) -> Result<(WpViewporter, <WpViewporter as Proxy>::Event), DispatchError>

Parse a event for this object

fn write_request<'a>( &self, conn: &Connection, msg: <WpViewporter as Proxy>::Request<'a>, ) -> Result<(Message<ObjectId, BorrowedFd<'a>>, Option<(&'static Interface, u32)>), InvalidId>

Serialize a request for this object

fn is_alive(&self) -> bool

Checks if the Wayland object associated with this proxy is still alive

fn downgrade(&self) -> Weak<Self>

Creates a weak handle to this object

impl Eq for WpViewporter