Struct iced::widget::MouseArea

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pub struct MouseArea<'a, Message, Theme = Theme, Renderer = Renderer<Renderer<Backend>, Renderer<Backend>>> { /* private fields */ }
Expand description

Emit messages on mouse events.

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impl<'a, Message, Theme, Renderer> MouseArea<'a, Message, Theme, Renderer>

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pub fn on_press( self, message: Message ) -> MouseArea<'a, Message, Theme, Renderer>

The message to emit on a left button press.

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pub fn on_release( self, message: Message ) -> MouseArea<'a, Message, Theme, Renderer>

The message to emit on a left button release.

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pub fn on_right_press( self, message: Message ) -> MouseArea<'a, Message, Theme, Renderer>

The message to emit on a right button press.

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pub fn on_right_release( self, message: Message ) -> MouseArea<'a, Message, Theme, Renderer>

The message to emit on a right button release.

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pub fn on_middle_press( self, message: Message ) -> MouseArea<'a, Message, Theme, Renderer>

The message to emit on a middle button press.

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pub fn on_middle_release( self, message: Message ) -> MouseArea<'a, Message, Theme, Renderer>

The message to emit on a middle button release.

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pub fn on_enter( self, message: Message ) -> MouseArea<'a, Message, Theme, Renderer>

The message to emit when the mouse enters the area.

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pub fn on_move<F>( self, build_message: F ) -> MouseArea<'a, Message, Theme, Renderer>
where F: Fn(Point) -> Message + 'static,

The message to emit when the mouse moves in the area.

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pub fn on_exit( self, message: Message ) -> MouseArea<'a, Message, Theme, Renderer>

The message to emit when the mouse exits the area.

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pub fn interaction( self, interaction: Interaction ) -> MouseArea<'a, Message, Theme, Renderer>

The mouse::Interaction to use when hovering the area.

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impl<'a, Message, Theme, Renderer> MouseArea<'a, Message, Theme, Renderer>

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pub fn new( content: impl Into<Element<'a, Message, Theme, Renderer>> ) -> MouseArea<'a, Message, Theme, Renderer>

Creates a MouseArea with the given content.

Trait Implementations§

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impl<'a, Message, Theme, Renderer> From<MouseArea<'a, Message, Theme, Renderer>> for Element<'a, Message, Theme, Renderer>
where Message: 'a + Clone, Theme: 'a, Renderer: 'a + Renderer,

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fn from( area: MouseArea<'a, Message, Theme, Renderer> ) -> Element<'a, Message, Theme, Renderer>

Converts to this type from the input type.
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impl<'a, Message, Theme, Renderer> Widget<Message, Theme, Renderer> for MouseArea<'a, Message, Theme, Renderer>
where Renderer: Renderer, Message: Clone,

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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 diff(&self, tree: &mut Tree)

Reconciliates the Widget with the provided Tree.
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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 operate( &self, tree: &mut Tree, layout: Layout<'_>, renderer: &Renderer, operation: &mut dyn Operation<Message> )

Applies an Operation to 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, renderer_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

Auto Trait Implementations§

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impl<'a, Message, Theme = Theme, Renderer = Renderer<Renderer<Backend>, Renderer<Backend>>> !RefUnwindSafe for MouseArea<'a, Message, Theme, Renderer>

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impl<'a, Message, Theme = Theme, Renderer = Renderer<Renderer<Backend>, Renderer<Backend>>> !Send for MouseArea<'a, Message, Theme, Renderer>

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impl<'a, Message, Theme = Theme, Renderer = Renderer<Renderer<Backend>, Renderer<Backend>>> !Sync for MouseArea<'a, Message, Theme, Renderer>

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impl<'a, Message, Theme, Renderer> Unpin for MouseArea<'a, Message, Theme, Renderer>
where Message: Unpin,

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impl<'a, Message, Theme = Theme, Renderer = Renderer<Renderer<Backend>, Renderer<Backend>>> !UnwindSafe for MouseArea<'a, 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<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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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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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, 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<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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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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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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fn upcast(&self) -> Option<&T>

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where V: MultiLane<T>,

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

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