zng_app::update

Struct ContextUpdates

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pub struct ContextUpdates {
    pub events: Vec<EventUpdate>,
    pub update: bool,
    pub info: bool,
    pub layout: bool,
    pub render: bool,
    pub update_widgets: WidgetUpdates,
    pub info_widgets: InfoUpdates,
    pub layout_widgets: LayoutUpdates,
    pub render_widgets: RenderUpdates,
    pub render_update_widgets: RenderUpdates,
}
Expand description

Updates that must be reacted by an app owner.

This type is public only for testing, it is the return type for test methods of WINDOW.

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§events: Vec<EventUpdate>

Events to notify.

When this is not empty update is true.

§update: bool

Update requested.

When this is true, update_widgets may contain widgets, if not then only app extensions must update.

§info: bool

Info rebuild requested.

When this is true, info_widgets may contain widgets, if not then only app extensions must update.

§layout: bool

Layout requested.

When this is true, layout_widgets may contain widgets, if not then only app extensions must update.

§render: bool

Render requested.

When this is true, render_widgets or render_update_widgets may contain widgets, if not then only app extensions must update.

§update_widgets: WidgetUpdates

Update targets.

When this is not empty update is true.

§info_widgets: InfoUpdates

Info rebuild targets.

When this is not empty info is true.

§layout_widgets: LayoutUpdates

Layout targets.

When this is not empty layout is true.

§render_widgets: RenderUpdates

Full render targets.

When this is not empty render is true.

§render_update_widgets: RenderUpdates

Render update targets.

When this is not empty render is true.

Implementations§

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impl ContextUpdates

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pub fn has_updates(&self) -> bool

If has events, update, layout or render was requested.

Trait Implementations§

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impl BitOr for ContextUpdates

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type Output = ContextUpdates

The resulting type after applying the | operator.
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fn bitor(self, rhs: Self) -> Self

Performs the | operation. Read more
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impl BitOrAssign for ContextUpdates

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fn bitor_assign(&mut self, rhs: Self)

Performs the |= operation. Read more
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impl Debug for ContextUpdates

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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 ContextUpdates

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fn default() -> ContextUpdates

Returns the “default value” for a type. 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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fn borrow_mut(&mut self) -> &mut T

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impl<T> From<T> for T

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fn from(t: T) -> T

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided [Span], returning an Instrumented wrapper. Read more
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fn into(self) -> U

Calls U::from(self).

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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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const ALIGN: usize = _

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type Init = T

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unsafe fn init(init: <T as Pointable>::Init) -> usize

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type Error = Infallible

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

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