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GlobalState

Struct GlobalState 

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pub struct GlobalState { /* private fields */ }

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impl GlobalState

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pub fn suppress_text_selection(cx: &mut App)

Suppress the window-level text selection for the current mouse down.

Call this from a mouse-down handler (bubble phase) of a component that owns its own press/drag interaction, so that pressing it does not start a window text selection. The flag is reset on the next mouse down.

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pub fn global(cx: &App) -> &Self

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pub fn global_mut(cx: &mut App) -> &mut Self

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pub fn is_in_deferred_context(&self) -> bool

Check if we are currently inside a deferred context (e.g., inside an open Popover).

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pub fn app_menus(&self) -> &[OwnedMenu]

Get the application menus

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pub fn set_app_menus(&mut self, menus: Vec<OwnedMenu>)

Set the application menus

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

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where T: ?Sized,

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impl<T> BorrowMut<T> for T
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fn borrow_mut(&mut self) -> &mut T

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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> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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

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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,

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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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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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impl<T> Read<Exclusive, BecauseExclusive> for T
where T: ?Sized,

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impl<T> ReadGlobal for T
where T: Global,

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fn global(cx: &App) -> &T

返回实现类型的全局实例。 Read more
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impl<T> Same for T

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type Output = T

Should always be Self
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type Error = Infallible

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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
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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> UpdateGlobal for T
where T: Global,

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fn update_global<C, F, R>(cx: &mut C, update: F) -> R
where C: BorrowAppContext, F: FnOnce(&mut T, &mut C) -> R,

使用提供的闭包更新全局实例。 Read more
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fn set_global<C>(cx: &mut C, global: T)

设置全局实例。
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