pub struct DataInit<'a, D: 'static> { /* private fields */ }
Expand description
Helper to initialize client-created objects
This helper is provided to you in your Dispatch
and GlobalDispatch
to
initialize objects created by the client, by assigning them their user-data (or ObjectData
if you
need to go this lower-level route).
This step is mandatory, and failing to initialize a newly created object will cause a panic.
Implementations§
source§impl<D> DataInit<'_, D>
impl<D> DataInit<'_, D>
sourcepub fn init<I: Resource + 'static, U: Send + Sync + 'static>(
&mut self,
resource: New<I>,
data: U,
) -> Iwhere
D: Dispatch<I, U> + 'static,
pub fn init<I: Resource + 'static, U: Send + Sync + 'static>(
&mut self,
resource: New<I>,
data: U,
) -> Iwhere
D: Dispatch<I, U> + 'static,
Initialize an object by assigning it its user-data
sourcepub fn custom_init<I: Resource + 'static>(
&mut self,
resource: New<I>,
data: Arc<dyn ObjectData<D>>,
) -> I
pub fn custom_init<I: Resource + 'static>( &mut self, resource: New<I>, data: Arc<dyn ObjectData<D>>, ) -> I
Set a custom ObjectData
for this object
This object data is not managed by wayland-server
, as a result you will not
be able to retreive it through Resource::data()
.
Instead, you’ll need to retrieve it using Resource::object_data()
and
handle the downcasting yourself.
sourcepub fn post_error<I: Resource + 'static>(
&mut self,
_resource: New<I>,
code: impl Into<u32>,
error: impl Into<String>,
)
pub fn post_error<I: Resource + 'static>( &mut self, _resource: New<I>, code: impl Into<u32>, error: impl Into<String>, )
Post an error on an uninitialized object.
This is only meant to be used in GlobalDispatch
where a global protocol
object is instantiated.
Trait Implementations§
Auto Trait Implementations§
impl<'a, D> Freeze for DataInit<'a, D>
impl<'a, D> !RefUnwindSafe for DataInit<'a, D>
impl<'a, D> Send for DataInit<'a, D>
impl<'a, D> Sync for DataInit<'a, D>
impl<'a, D> Unpin for DataInit<'a, D>
impl<'a, D> !UnwindSafe for DataInit<'a, D>
Blanket Implementations§
source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
§impl<T> Downcast for Twhere
T: Any,
impl<T> Downcast for Twhere
T: Any,
§fn into_any(self: Box<T>) -> Box<dyn Any>
fn into_any(self: Box<T>) -> Box<dyn Any>
Box<dyn Trait>
(where Trait: Downcast
) to Box<dyn Any>
. Box<dyn Any>
can
then be further downcast
into Box<ConcreteType>
where ConcreteType
implements Trait
.§fn into_any_rc(self: Rc<T>) -> Rc<dyn Any>
fn into_any_rc(self: Rc<T>) -> Rc<dyn Any>
Rc<Trait>
(where Trait: Downcast
) to Rc<Any>
. Rc<Any>
can then be
further downcast
into Rc<ConcreteType>
where ConcreteType
implements Trait
.§fn as_any(&self) -> &(dyn Any + 'static)
fn as_any(&self) -> &(dyn Any + 'static)
&Trait
(where Trait: Downcast
) to &Any
. This is needed since Rust cannot
generate &Any
’s vtable from &Trait
’s.§fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)
fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)
&mut Trait
(where Trait: Downcast
) to &Any
. This is needed since Rust cannot
generate &mut Any
’s vtable from &mut Trait
’s.