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Scrollbars

Struct Scrollbars 

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pub struct Scrollbars<'a> {
    pub vertical_scrollbar_visibility: ScrollbarVisibility,
    pub horizontal_scrollbar_visibility: ScrollbarVisibility,
    pub vertical_scrollbar: Scrollbar<'a>,
    pub horizontal_scrollbar: Scrollbar<'a>,
    pub over_border: bool,
}

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§vertical_scrollbar_visibility: ScrollbarVisibility§horizontal_scrollbar_visibility: ScrollbarVisibility§vertical_scrollbar: Scrollbar<'a>§horizontal_scrollbar: Scrollbar<'a>§over_border: bool

有 block 边框时,滚动条画在边框环上(不占内容区)还是退到 block.inner() 内 (占用一行/一列)。默认 true(盖边框,观感更好);无 block 时退化为框内。

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impl Scrollbars<'_>

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pub fn visible_scrollbars( &self, horizontal_space: i32, vertical_space: i32, ) -> (bool, bool)

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pub fn render_ref( &self, outer: Rect, inner: Rect, buf: &mut Buffer, state: &mut ScrollViewState, scroll_buffer: &Buffer, )

渲染可见窗口 + 滚动条。

  • outer:组件外框(有 block 时含边框);inner:block.inner()(无 block 时 = outer)。
  • ring(盖边框)= over_border 且 inner 右/下方各有一格边框可画;此时视口 = 整个 inner, 滚动条画在边框环上、不占内容;否则 inset:视口 = inner 扣掉显示的滚动条。
  • 偏移量按视口裁剪(保证最后一行/列可达),page_size = 视口(供翻页/is_at_bottom)。

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impl<'a> Clone for Scrollbars<'a>

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fn clone(&self) -> Scrollbars<'a>

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Default for Scrollbars<'_>

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fn default() -> Self

Returns the “default value” for a type. Read more
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impl<'a> Hash for Scrollbars<'a>

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fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher. Read more
1.3.0 · Source§

fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl<'a> Props for Scrollbars<'a>

Auto Trait Implementations§

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impl<'a> Freeze for Scrollbars<'a>

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impl<'a> RefUnwindSafe for Scrollbars<'a>

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impl<'a> Send for Scrollbars<'a>

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impl<'a> Sync for Scrollbars<'a>

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impl<'a> Unpin for Scrollbars<'a>

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impl<'a> UnsafeUnpin for Scrollbars<'a>

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impl<'a> UnwindSafe for Scrollbars<'a>

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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> Any for T
where T: Any,

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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> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. 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> 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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Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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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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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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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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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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where S: Into<Dispatch>,

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Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more