Struct Responsive 

pub struct Responsive {
    pub id: Option<WidgetId>,
    pub query: ResponsiveQuery,
    pub cases: Vec<ResponsiveCase>,
    pub fallback: Widget,
}

Selects a widget branch using declarative viewport or container breakpoints.

Fields

id: Option<WidgetId>

Optional stable identity for diagnostics and retained child identity.

query: ResponsiveQuery

Width source used to evaluate the responsive cases.

cases: Vec<ResponsiveCase>

Ordered cases; the first matching case wins.

fallback: Widget

Child rendered when no case matches.

Implementations

impl Responsive

pub fn new(fallback: impl Into<Widget>) -> Self

Creates a responsive switch with a required fallback branch.

pub fn id(self, id: WidgetId) -> Self

Sets an explicit identity for deterministic inspection and diffing.

pub fn case(self, case: ResponsiveCase) -> Self

Appends an ordered responsive case.

pub fn query(self, query: ResponsiveQuery) -> Self

Selects viewport or parent-container width evaluation.

pub fn container_query(self) -> Self

Evaluates cases against the immediate parent constraints.

Trait Implementations

impl Clone for Responsive

fn clone(&self) -> Responsive

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Responsive

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for Responsive

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl From<Responsive> for Widget

fn from(w: Responsive) -> Self

Converts to this type from the input type.

impl Serialize for Responsive

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.