Struct LabelElement 

pub struct LabelElement {
    pub text: Cow<'static, str>,
    pub accessibility: AccessibilityData,
    pub text_style_data: TextStyleData,
    pub layout: LayoutData,
    pub event_handlers: EventHandlers,
    pub max_lines: Option<usize>,
    pub line_height: Option<f32>,
    pub relative_layer: Layer,
    pub effect: Option<EffectData>,
}

Fields

text: Cow<'static, str>

accessibility: AccessibilityData

text_style_data: TextStyleData

layout: LayoutData

event_handlers: EventHandlers

max_lines: Option<usize>

line_height: Option<f32>

relative_layer: Layer

effect: Option<EffectData>

Trait Implementations

impl Clone for LabelElement

fn clone(&self) -> Self

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Default for LabelElement

fn default() -> Self

Returns the “default value” for a type.

impl ElementExt for LabelElement

fn changed(&self, other: &Rc<dyn ElementExt>) -> bool

Returns whether this element has changed compared to another one.

fn diff(&self, other: &Rc<dyn ElementExt>) -> DiffModifies

Tells Freya what needs updating when this element changes.

fn layout(&self) -> Cow<'_, LayoutData>

Returns layout properties used to position and size this element.

fn effect(&self) -> Option<Cow<'_, EffectData>>

Returns optional effect properties for this element.

fn style(&self) -> Cow<'_, StyleState>

Returns visual style properties for this element.

fn is_transparent(&self) -> bool

Whether the element paints nothing, letting events fall through to non-ancestor elements behind it.

fn text_style(&self) -> Cow<'_, TextStyleData>

Returns text styling inherited by text content in this element.

fn accessibility(&self) -> Cow<'_, AccessibilityData>

Returns accessibility properties for this element.

fn finish_accessibility(&self, builder: &mut Node)

Mutates the accessibility node immediately before it enters the accessibility tree.

fn layer(&self) -> Layer

Returns the drawing layer assigned to this element.

fn events_handlers(&self) -> Option<Cow<'_, EventHandlers>>

Returns event handlers registered on this element.

fn measure(&self, context: LayoutContext<'_>) -> Option<(Size2D, Rc<dyn Any>)>

Measures the element and optionally returns measurement data for later layout stages.

fn should_hook_measurement(&self) -> bool

Returns whether this element hooks into layout measurement.

fn should_measure_inner_children(&self) -> bool

Returns whether to measure this element’s children.

fn clip(&self, context: ClipContext<'_>)

Applies clipping for this element before it and its children are rendered.

fn render(&self, context: RenderContext<'_>)

Renders this element using the supplied canvas and layout context.

fn needs_post_measure(&self) -> bool

Whether this element needs a ElementExt::post_measure step after the layout pass.

fn post_measure(&self, _context: PostMeasureContext<'_>) -> PostMeasure<NodeId>

Runs after this element and its children are measured.

fn is_point_inside(&self, context: EventMeasurementContext<'_>) -> bool

Tests whether the pointer position is inside this element’s hit area.

fn render_rect(&self, area: &Area, scale_factor: f32) -> SkRRect

Creates a rounded rectangle from an area using this element’s corner radius.

impl PartialEq for LabelElement

fn eq(&self, other: &Self) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for LabelElement