pub struct ViewportOutput {
    pub parent: ViewportId,
    pub class: ViewportClass,
    pub builder: ViewportBuilder,
    pub viewport_ui_cb: Option<Arc<DeferredViewportUiCallback>>,
    pub commands: Vec<ViewportCommand>,
    pub repaint_delay: Duration,
}
Expand description

Describes a viewport, i.e. a native window.

This is returned by crate::Context::run on each frame, and should be applied by the integration.

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§parent: ViewportId

Id of our parent viewport.

§class: ViewportClass

What type of viewport are we?

This will never be ViewportClass::Embedded, since those don’t result in real viewports.

§builder: ViewportBuilder

The window attrbiutes such as title, position, size, etc.

Use this when first constructing the native window. Also check for changes in it using ViewportBuilder::patch, and apply them as needed.

§viewport_ui_cb: Option<Arc<DeferredViewportUiCallback>>

The user-code that shows the GUI, used for deferred viewports.

None for immediate viewports and the ROOT viewport.

§commands: Vec<ViewportCommand>

Commands to change the viewport, e.g. window title and size.

§repaint_delay: Duration

Schedule a repaint of this viewport after this delay.

It is preferable to instead install a Context::set_request_repaint_callback, but if you haven’t, you can use this instead.

If the duration is zero, schedule a repaint immediately.

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impl ViewportOutput

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pub fn append(&mut self, newer: Self)

Add on new output.

Trait Implementations§

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impl Clone for ViewportOutput

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fn clone(&self) -> ViewportOutput

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<T> SerializableAny for T
where T: 'static + Any + Clone + for<'a> Send + Sync,