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ScrollSource

Struct ScrollSource 

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pub struct ScrollSource {
    pub scroll_bar: bool,
    pub drag: DragScroll,
    pub mouse_wheel: bool,
}
Expand description

What is the source of scrolling for a ScrollArea.

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§scroll_bar: bool

Scroll the area by dragging a scroll bar.

By default the scroll bars remain visible to show current position. To hide them use ScrollArea::scroll_bar_visibility().

§drag: DragScroll

Scroll the area by dragging the contents.

Defaults to DragScroll::OnTouch: only active when a touch screen is detected. Set to DragScroll::Always to force it on, or DragScroll::Never to disable.

§mouse_wheel: bool

Scroll the area by scrolling (or shift scrolling) the mouse wheel with the mouse cursor over the ScrollArea.

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impl ScrollSource

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pub const NONE: Self

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pub const ALL: Self

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pub const SCROLL_BAR: Self

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pub const DRAG: Self

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pub const MOUSE_WHEEL: Self

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pub fn is_none(&self) -> bool

Is everything disabled?

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pub fn any(&self) -> bool

Is anything enabled?

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pub fn is_all(&self) -> bool

Is everything enabled?

Trait Implementations§

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impl Add for ScrollSource

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type Output = ScrollSource

The resulting type after applying the + operator.
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fn add(self, rhs: Self) -> Self::Output

Performs the + operation. Read more
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impl AddAssign for ScrollSource

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fn add_assign(&mut self, rhs: Self)

Performs the += operation. Read more
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impl BitOr for ScrollSource

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type Output = ScrollSource

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

Performs the | operation. Read more
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impl BitOrAssign for ScrollSource

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fn bitor_assign(&mut self, rhs: Self)

Performs the |= operation. Read more
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impl Clone for ScrollSource

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fn clone(&self) -> ScrollSource

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 Copy for ScrollSource

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impl Debug for ScrollSource

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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 ScrollSource

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fn default() -> Self

scroll_bar and mouse_wheel enabled; drag set to DragScroll::OnTouch.

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impl Eq for ScrollSource

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impl PartialEq for ScrollSource

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

Equality operator ==. Read more
1.0.0 (const: unstable) · Source§

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=. Read more
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impl StructuralPartialEq for ScrollSource

Auto Trait Implementations§

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> 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<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. 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> 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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impl<T> Read<Exclusive, BecauseExclusive> for T
where T: ?Sized,

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impl<T> SerializableAny for T
where T: 'static + Any + Clone + for<'a> Send + Sync,

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impl<T, S> SimdFrom<T, S> for T
where S: Simd,

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fn simd_from(_simd: S, value: T) -> T

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impl<F, T, S> SimdInto<T, S> for F
where T: SimdFrom<F, S>, S: Simd,

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fn simd_into(self, simd: S) -> T

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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.