[−][src]Enum nannou::ui::prelude::widget::MaybeParent
The builder argument for the Widget's parent.
Variants
None
The user specified the widget should not have any parents, so the Root will be used.
Some(NodeIndex<u32>)
The user gave a specific parent widget.
Unspecified
No parent widget was specified, so we will assume they want the last parent.
Methods
impl MaybeParent
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pub fn get_unchecked(
&self,
ui: &Ui,
x_pos: Position,
y_pos: Position
) -> NodeIndex<u32>
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&self,
ui: &Ui,
x_pos: Position,
y_pos: Position
) -> NodeIndex<u32>
Convert the MaybeParent into an Option
If Unspecified
, check the positioning to retrieve the Id from there.
If None
, the Ui
's window
widget will be used.
Note: This method does not check whether or not using the window
widget as the parent
would cause a cycle. If it is important that the inferred parent should not cause a cycle,
use get
instead.
pub fn get(
&self,
id: NodeIndex<u32>,
ui: &Ui,
x_pos: Position,
y_pos: Position
) -> Option<NodeIndex<u32>>
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&self,
id: NodeIndex<u32>,
ui: &Ui,
x_pos: Position,
y_pos: Position
) -> Option<NodeIndex<u32>>
The same as get_unchecked
, but checks whether or not the widget that we're inferring the
parent for is the Ui
's window (which cannot have a parent, without creating a cycle).
Trait Implementations
impl Debug for MaybeParent
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impl PartialEq<MaybeParent> for MaybeParent
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fn eq(&self, other: &MaybeParent) -> bool
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fn ne(&self, other: &MaybeParent) -> bool
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impl Copy for MaybeParent
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impl Clone for MaybeParent
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fn clone(&self) -> MaybeParent
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fn clone_from(&mut self, source: &Self)
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Performs copy-assignment from source
. Read more
Auto Trait Implementations
impl Send for MaybeParent
impl Sync for MaybeParent
Blanket Implementations
impl<T> From<T> for T
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impl<T> ToOwned for T where
T: Clone,
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T: Clone,
type Owned = T
The resulting type after obtaining ownership.
fn to_owned(&self) -> T
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fn clone_into(&self, target: &mut T)
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
The type returned in the event of a conversion error.
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
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impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
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impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Style for T where
T: Any + Debug + PartialEq<T>,
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T: Any + Debug + PartialEq<T>,
impl<T> Content for T
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fn ref_from_ptr(ptr: *mut c_void, size: usize) -> Option<*mut T>
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fn is_size_suitable(size: usize) -> bool
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fn indiv_size() -> usize
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impl<T> SafeBorrow<T> for T
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impl<T> Erased for T
impl<S> FromSample<S> for S
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fn from_sample_(s: S) -> S
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impl<T, U> ToSample<U> for T where
U: FromSample<T>,
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U: FromSample<T>,
fn to_sample_(self) -> U
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impl<S, T> Duplex<S> for T where
T: FromSample<S> + ToSample<S>,
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T: FromSample<S> + ToSample<S>,
impl<T> SetParameter for T
fn set<T>(&mut self, value: T) -> <T as Parameter<Self>>::Result where
T: Parameter<Self>,
T: Parameter<Self>,
Sets value
as a parameter of self
.
impl<T> SetParameter for T
fn set<T>(&mut self, value: T) -> <T as Parameter<Self>>::Result where
T: Parameter<Self>,
T: Parameter<Self>,
Sets value
as a parameter of self
.