Struct OverlayManager

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pub struct OverlayManager { /* private fields */ }

Expand description

Manages a collection of title overlays for a project.

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impl OverlayManager

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pub fn new() -> Self

Create an empty manager.

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pub fn add(&mut self, overlay: TitleOverlay) -> OverlayId

Add an overlay and return its assigned ID.

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pub fn remove(&mut self, id: OverlayId) -> Option<TitleOverlay>

Remove an overlay by ID.

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pub fn get(&self, id: OverlayId) -> Option<&TitleOverlay>

Get a reference to an overlay.

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pub fn get_mut(&mut self, id: OverlayId) -> Option<&mut TitleOverlay>

Get a mutable reference.

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pub fn active_at(&self, time: i64) -> Vec<&TitleOverlay>

Return all overlays active at time, sorted by ID for deterministic order.

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pub fn len(&self) -> usize

Total overlay count.

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pub fn is_empty(&self) -> bool

Returns true if there are no overlays.

Trait Implementations§

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impl Debug for OverlayManager

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

Formats the value using the given formatter. Read more

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impl Default for OverlayManager

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fn default() -> OverlayManager

Returns the “default value” for a type. Read more

Auto Trait Implementations§

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impl UnwindSafe for OverlayManager

Blanket Implementations§

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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<ST, DT> CastableFrom<ST, Initialized, Initialized> for DT
where ST: ?Sized, DT: ?Sized,

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impl<ST, DT> CastableFrom<ST, Uninit, Uninit> for DT
where ST: ?Sized, DT: ?Sized,

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impl<T> Downcast<T> for T

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fn downcast(&self) -> &T

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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 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> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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