pub enum ScrollBarVisibility {
    AlwaysHidden,
    VisibleWhenNeeded,
    AlwaysVisible,
}
Expand description

Indicate whether the horizontal and vertical scroll bars must be always visible, hidden or visible when needed.

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AlwaysHidden

Hide scroll bar even if they are needed.

You can still scroll, with the scroll-wheel and by dragging the contents, but there is no visual indication of how far you have scrolled.

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VisibleWhenNeeded

Show scroll bars only when the content size exceeds the container, i.e. when there is any need to scroll.

This is the default.

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AlwaysVisible

Always show the scroll bar, even if the contents fit in the container and there is no need to scroll.

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Trait Implementations§

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impl Clone for ScrollBarVisibility

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fn clone(&self) -> ScrollBarVisibility

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 Debug for ScrollBarVisibility

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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 ScrollBarVisibility

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fn default() -> Self

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

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fn eq(&self, other: &ScrollBarVisibility) -> bool

This method tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Copy for ScrollBarVisibility

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impl Eq for ScrollBarVisibility

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impl StructuralEq for ScrollBarVisibility

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impl StructuralPartialEq for ScrollBarVisibility

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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<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,