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PointerKinds

Struct PointerKinds 

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pub struct PointerKinds(pub u32);
Expand description

Which kinds of pointer event a node subscribes to, as the bit mask the wire carries.

The bit of a kind is 1 << (tag - 1), so Move is 1 and ContextMenu is 128. A mask of zero subscribes to nothing, and a node with no subscription gets no pointer input at all, which is what keeps a screen of plain containers free of it.

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§0: u32

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impl PointerKinds

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pub const NONE: Self

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pub const MOVE: Self

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pub const ENTER: Self

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pub const LEAVE: Self

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pub const DOWN: Self

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pub const UP: Self

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pub const CANCEL: Self

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pub const WHEEL: Self

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pub const CONTEXT_MENU: Self

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pub const ALL: Self

Every kind.

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pub const fn of(kind: PointerKind) -> Self

The mask holding one kind.

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pub const fn union(self, other: Self) -> Self

This mask and other together.

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pub const fn contains(self, kind: PointerKind) -> bool

Whether kind is in the mask.

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pub const fn bits(self) -> u32

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impl BitOr for PointerKinds

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type Output = PointerKinds

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

Performs the | operation. Read more
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impl Clone for PointerKinds

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fn clone(&self) -> Self

Returns a duplicate 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 Copy for PointerKinds

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impl Debug for PointerKinds

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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 PointerKinds

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fn default() -> Self

Returns the “default value” for a type. Read more
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impl Eq for PointerKinds

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impl PartialEq for PointerKinds

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fn eq(&self, other: &Self) -> 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 PointerKinds

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<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, 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 = !

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, !>

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.