pixel_widgets::widget

Struct Context

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pub struct Context<Message> { /* private fields */ }
Expand description

Context for posting messages and requesting redraws of the ui.

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impl<Message> Context<Message>

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pub fn push(&mut self, message: Message)

Push a message to the parnet Component.

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pub fn extend<I: IntoIterator<Item = Message>>(&mut self, iter: I)

Push multiple messages to the parent Component using an iterator.

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pub fn redraw(&mut self)

Request a redraw of the ui.

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pub fn redraw_requested(&self) -> bool

Returns the redraw flag.

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pub fn cursor(&self) -> (f32, f32)

Returns the cursor position

Trait Implementations§

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impl<Message> IntoIterator for Context<Message>

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type Item = Message

The type of the elements being iterated over.
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type IntoIter = IntoIter<Message>

Which kind of iterator are we turning this into?
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fn into_iter(self) -> Self::IntoIter

Creates an iterator from a value. Read more

Auto Trait Implementations§

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impl<Message> Freeze for Context<Message>

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impl<Message> RefUnwindSafe for Context<Message>
where Message: RefUnwindSafe,

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impl<Message> Send for Context<Message>
where Message: Send,

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impl<Message> Sync for Context<Message>
where Message: Sync,

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impl<Message> Unpin for Context<Message>
where Message: Unpin,

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impl<Message> UnwindSafe for Context<Message>
where Message: UnwindSafe,

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> Downcast<T> for T

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fn downcast(&self) -> &T

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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> Pointable for T

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const ALIGN: usize

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. 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> Upcast<T> for T

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fn upcast(&self) -> Option<&T>