Struct relm::DrawHandler

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pub struct DrawHandler<W> { /* private fields */ }
Expand description

Manager for drawing operations.

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impl<W: Clone + WidgetExt> DrawHandler<W>

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pub fn new() -> Result<Self, Error>

Create a new DrawHandler.

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pub fn get_context(&mut self) -> Result<DrawContext<W>, Error>

Get the drawing context to draw on a widget.

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pub fn init(&mut self, widget: &W)

Initialize the draw handler. The widget is the one on which drawing will occur.

Auto Trait Implementations§

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impl<W> !RefUnwindSafe for DrawHandler<W>

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impl<W> !Send for DrawHandler<W>

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impl<W> !Sync for DrawHandler<W>

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impl<W> Unpin for DrawHandler<W>where W: Unpin,

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impl<W> !UnwindSafe for DrawHandler<W>

Blanket Implementations§

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impl<T> Any for Twhere 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 Twhere 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 Twhere 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 Twhere 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, U> TryFrom<U> for Twhere 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 Twhere 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.