Struct iced::widget::ComboBox

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pub struct ComboBox<'a, T, Message, Theme = Theme, Renderer = Renderer<Renderer, Renderer>>
where Theme: Catalog, Renderer: Renderer,
{ /* private fields */ }
Expand description

A widget for searching and selecting a single value from a list of options.

This widget is composed by a TextInput that can be filled with the text to search for corresponding values from the list of options that are displayed as a Menu.

Implementations§

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impl<'a, T, Message, Theme, Renderer> ComboBox<'a, T, Message, Theme, Renderer>
where T: Display + Clone, Theme: Catalog, Renderer: Renderer,

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pub fn new( state: &'a State<T>, placeholder: &str, selection: Option<&T>, on_selected: impl Fn(T) -> Message + 'static, ) -> ComboBox<'a, T, Message, Theme, Renderer>

Creates a new ComboBox with the given list of options, a placeholder, the current selected value, and the message to produce when an option is selected.

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pub fn on_input( self, on_input: impl Fn(String) -> Message + 'static, ) -> ComboBox<'a, T, Message, Theme, Renderer>

Sets the message that should be produced when some text is typed into the TextInput of the ComboBox.

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pub fn on_option_hovered( self, on_option_hovered: impl Fn(T) -> Message + 'static, ) -> ComboBox<'a, T, Message, Theme, Renderer>

Sets the message that will be produced when an option of the ComboBox is hovered using the arrow keys.

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pub fn on_close( self, message: Message, ) -> ComboBox<'a, T, Message, Theme, Renderer>

Sets the message that will be produced when the outside area of the ComboBox is pressed.

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pub fn padding( self, padding: impl Into<Padding>, ) -> ComboBox<'a, T, Message, Theme, Renderer>

Sets the Padding of the ComboBox.

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pub fn font( self, font: <Renderer as Renderer>::Font, ) -> ComboBox<'a, T, Message, Theme, Renderer>

Sets the Renderer::Font of the ComboBox.

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pub fn icon( self, icon: Icon<<Renderer as Renderer>::Font>, ) -> ComboBox<'a, T, Message, Theme, Renderer>

Sets the text_input::Icon of the ComboBox.

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pub fn size(self, size: f32) -> ComboBox<'a, T, Message, Theme, Renderer>

Sets the text sixe of the ComboBox.

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pub fn line_height( self, line_height: impl Into<LineHeight>, ) -> ComboBox<'a, T, Message, Theme, Renderer>

Sets the LineHeight of the ComboBox.

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pub fn width( self, width: impl Into<Length>, ) -> ComboBox<'a, T, Message, Theme, Renderer>

Sets the width of the ComboBox.

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pub fn input_style( self, style: impl Fn(&Theme, Status) -> Style + 'a, ) -> ComboBox<'a, T, Message, Theme, Renderer>
where <Theme as Catalog>::Class<'a>: From<Box<dyn Fn(&Theme, Status) -> Style + 'a>>,

Sets the style of the input of the ComboBox.

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pub fn menu_style( self, style: impl Fn(&Theme) -> Style + 'a, ) -> ComboBox<'a, T, Message, Theme, Renderer>
where <Theme as Catalog>::Class<'a>: From<Box<dyn Fn(&Theme) -> Style + 'a>>,

Sets the style of the menu of the ComboBox.

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pub fn input_class( self, class: impl Into<<Theme as Catalog>::Class<'a>>, ) -> ComboBox<'a, T, Message, Theme, Renderer>

Available on crate feature advanced only.

Sets the style class of the input of the ComboBox.

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pub fn menu_class( self, class: impl Into<<Theme as Catalog>::Class<'a>>, ) -> ComboBox<'a, T, Message, Theme, Renderer>

Available on crate feature advanced only.

Sets the style class of the menu of the ComboBox.

Trait Implementations§

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impl<'a, T, Message, Theme, Renderer> From<ComboBox<'a, T, Message, Theme, Renderer>> for Element<'a, Message, Theme, Renderer>
where T: Display + Clone + 'static, Message: Clone + 'a, Theme: Catalog + 'a, Renderer: Renderer + 'a,

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fn from( combo_box: ComboBox<'a, T, Message, Theme, Renderer>, ) -> Element<'a, Message, Theme, Renderer>

Converts to this type from the input type.
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impl<'a, T, Message, Theme, Renderer> Widget<Message, Theme, Renderer> for ComboBox<'a, T, Message, Theme, Renderer>
where T: Display + Clone + 'static, Message: Clone, Theme: Catalog, Renderer: Renderer,

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fn size(&self) -> Size<Length>

Returns the Size of the Widget in lengths.
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fn layout(&self, tree: &mut Tree, renderer: &Renderer, limits: &Limits) -> Node

Returns the layout::Node of the Widget. Read more
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fn tag(&self) -> Tag

Returns the Tag of the Widget.
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fn state(&self) -> State

Returns the State of the Widget.
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fn children(&self) -> Vec<Tree>

Returns the state Tree of the children of the Widget.
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fn on_event( &mut self, tree: &mut Tree, event: Event, layout: Layout<'_>, cursor: Cursor, renderer: &Renderer, clipboard: &mut dyn Clipboard, shell: &mut Shell<'_, Message>, viewport: &Rectangle, ) -> Status

Processes a runtime Event. Read more
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fn mouse_interaction( &self, tree: &Tree, layout: Layout<'_>, cursor: Cursor, viewport: &Rectangle, renderer: &Renderer, ) -> Interaction

Returns the current mouse::Interaction of the Widget. Read more
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fn draw( &self, tree: &Tree, renderer: &mut Renderer, theme: &Theme, _style: &Style, layout: Layout<'_>, cursor: Cursor, viewport: &Rectangle, )

Draws the Widget using the associated Renderer.
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fn overlay<'b>( &'b mut self, tree: &'b mut Tree, layout: Layout<'_>, _renderer: &Renderer, translation: Vector, ) -> Option<Element<'b, Message, Theme, Renderer>>

Returns the overlay of the Widget, if there is any.
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fn size_hint(&self) -> Size<Length>

Returns a Size hint for laying out the Widget. Read more
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fn diff(&self, _tree: &mut Tree)

Reconciles the Widget with the provided Tree.
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fn operate( &self, _state: &mut Tree, _layout: Layout<'_>, _renderer: &Renderer, _operation: &mut dyn Operation<()>, )

Applies an Operation to the Widget.

Auto Trait Implementations§

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impl<'a, T, Message, Theme, Renderer> Freeze for ComboBox<'a, T, Message, Theme, Renderer>
where <Theme as Catalog>::Class<'a>: Freeze, <Theme as Catalog>::Class<'a>: Freeze, <Renderer as Renderer>::Font: Freeze, Message: Freeze,

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impl<'a, T, Message, Theme = Theme, Renderer = Renderer<Renderer, Renderer>> !RefUnwindSafe for ComboBox<'a, T, Message, Theme, Renderer>

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impl<'a, T, Message, Theme = Theme, Renderer = Renderer<Renderer, Renderer>> !Send for ComboBox<'a, T, Message, Theme, Renderer>

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impl<'a, T, Message, Theme = Theme, Renderer = Renderer<Renderer, Renderer>> !Sync for ComboBox<'a, T, Message, Theme, Renderer>

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impl<'a, T, Message, Theme, Renderer> Unpin for ComboBox<'a, T, Message, Theme, Renderer>
where <Theme as Catalog>::Class<'a>: Unpin, <Theme as Catalog>::Class<'a>: Unpin, <Renderer as Renderer>::Font: Unpin, Message: Unpin,

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impl<'a, T, Message, Theme = Theme, Renderer = Renderer<Renderer, Renderer>> !UnwindSafe for ComboBox<'a, T, Message, Theme, Renderer>

Blanket Implementations§

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impl<S, D, Swp, Dwp, T> AdaptInto<D, Swp, Dwp, T> for S
where T: Real + Zero + Arithmetics + Clone, Swp: WhitePoint<T>, Dwp: WhitePoint<T>, D: AdaptFrom<S, Swp, Dwp, T>,

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fn adapt_into_using<M>(self, method: M) -> D
where M: TransformMatrix<T>,

Convert the source color to the destination color using the specified method.
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fn adapt_into(self) -> D

Convert the source color to the destination color using the bradford method by default.
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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, C> ArraysFrom<C> for T
where C: IntoArrays<T>,

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fn arrays_from(colors: C) -> T

Cast a collection of colors into a collection of arrays.
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impl<T, C> ArraysInto<C> for T
where C: FromArrays<T>,

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fn arrays_into(self) -> C

Cast this collection of arrays into a collection of colors.
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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<WpParam, T, U> Cam16IntoUnclamped<WpParam, T> for U
where T: FromCam16Unclamped<WpParam, U>,

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type Scalar = <T as FromCam16Unclamped<WpParam, U>>::Scalar

The number type that’s used in parameters when converting.
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fn cam16_into_unclamped( self, parameters: BakedParameters<WpParam, <U as Cam16IntoUnclamped<WpParam, T>>::Scalar>, ) -> T

Converts self into C, using the provided parameters.
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impl<T, C> ComponentsFrom<C> for T
where C: IntoComponents<T>,

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fn components_from(colors: C) -> T

Cast a collection of colors into a collection of color components.
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impl<T> Downcast<T> for T

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fn downcast(&self) -> &T

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impl<T> Downcast for T
where T: Any,

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Convert Box<dyn Trait> (where Trait: Downcast) to Box<dyn Any>. Box<dyn Any> can then be further downcast into Box<ConcreteType> where ConcreteType implements Trait.
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Convert Rc<Trait> (where Trait: Downcast) to Rc<Any>. Rc<Any> can then be further downcast into Rc<ConcreteType> where ConcreteType implements Trait.
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Convert &Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &Any’s vtable from &Trait’s.
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Convert &mut Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &mut Any’s vtable from &mut Trait’s.
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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> FromAngle<T> for T

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fn from_angle(angle: T) -> T

Performs a conversion from angle.
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impl<T, U> FromStimulus<U> for T
where U: IntoStimulus<T>,

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fn from_stimulus(other: U) -> T

Converts other into Self, while performing the appropriate scaling, rounding and clamping.
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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided [Span], returning an Instrumented wrapper. Read more
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Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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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, U> IntoAngle<U> for T
where U: FromAngle<T>,

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fn into_angle(self) -> U

Performs a conversion into T.
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impl<WpParam, T, U> IntoCam16Unclamped<WpParam, T> for U
where T: Cam16FromUnclamped<WpParam, U>,

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type Scalar = <T as Cam16FromUnclamped<WpParam, U>>::Scalar

The number type that’s used in parameters when converting.
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fn into_cam16_unclamped( self, parameters: BakedParameters<WpParam, <U as IntoCam16Unclamped<WpParam, T>>::Scalar>, ) -> T

Converts self into C, using the provided parameters.
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impl<T, U> IntoColor<U> for T
where U: FromColor<T>,

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fn into_color(self) -> U

Convert into T with values clamped to the color defined bounds Read more
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impl<T, U> IntoColorUnclamped<U> for T
where U: FromColorUnclamped<T>,

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fn into_color_unclamped(self) -> U

Convert into T. The resulting color might be invalid in its color space Read more
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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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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> IntoStimulus<T> for T

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fn into_stimulus(self) -> T

Converts self into T, while performing the appropriate scaling, rounding and clamping.
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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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Dereferences the given pointer. Read more
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type Output = T

Should always be Self
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impl<T, C> TryComponentsInto<C> for T
where C: TryFromComponents<T>,

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type Error = <C as TryFromComponents<T>>::Error

The error for when try_into_colors fails to cast.
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fn try_components_into(self) -> Result<C, <T as TryComponentsInto<C>>::Error>

Try to cast this collection of color components into a collection of colors. 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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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, U> TryIntoColor<U> for T
where U: TryFromColor<T>,

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fn try_into_color(self) -> Result<U, OutOfBounds<U>>

Convert into T, returning ok if the color is inside of its defined range, otherwise an OutOfBounds error is returned which contains the unclamped color. Read more
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impl<C, U> UintsFrom<C> for U
where C: IntoUints<U>,

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fn uints_from(colors: C) -> U

Cast a collection of colors into a collection of unsigned integers.
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impl<C, U> UintsInto<C> for U
where C: FromUints<U>,

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fn uints_into(self) -> C

Cast this collection of unsigned integers into a collection of colors.
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where S: Into<Dispatch>,

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