Enum i_slint_compiler::langtype::ElementType

pub enum ElementType {
    Component(Rc<Component>),
    Builtin(Rc<BuiltinElement>),
    Native(Rc<NativeClass>),
    Error,
    Global,
}

The base of an element

Variants

Component(Rc<Component>)

The element is based of a component

Builtin(Rc<BuiltinElement>)

The element is a builtin element

Native(Rc<NativeClass>)

The native type was resolved by the resolve_native_class pass.

Error

The base element couldn’t be looked up

Global

This should be the base type of the root element of a global component

Implementations

impl ElementType

pub fn lookup_property<'a>(&self, name: &'a str) -> PropertyLookupResult<'a>

pub fn property_list(&self) -> Vec<(String, Type)>

List of sub properties valid for the auto completion

pub fn accepts_child_element( &self, name: &str, tr: &TypeRegister, ) -> Result<Option<ElementType>, String>

This function looks at the element and checks whether it can have Elements of type name as children. It returns an Error if that is not possible or an Option of the ElementType if it is. The option is unset when the compiler does not know the type well enough to avoid further probing.

pub fn lookup_type_for_child_element( &self, name: &str, tr: &TypeRegister, ) -> Result<ElementType, String>

This function looks at the element and checks whether it can have Elements of type name as children. In addition to what accepts_child_element does, this method also probes the type of name. It returns an Error if that is not possible or an ElementType if it is.

pub fn lookup_member_function(&self, name: &str) -> Option<BuiltinFunction>

pub fn collect_contextual_types( &self, context_restricted_types: &mut HashMap<String, HashSet<String>>, )

pub fn as_builtin(&self) -> &BuiltinElement

Assume this is a builtin type, panic if it isn’t

pub fn as_native(&self) -> &NativeClass

Assume this is a builtin type, panic if it isn’t

pub fn as_component(&self) -> &Rc<Component>

Assume it is a Component, panic if it isn’t

pub fn type_name(&self) -> Option<&str>

Returns the Slint type name if applicable (for example Rectangle or MyButton when component MyButton {} is used as MyButton element)

Trait Implementations

impl Clone for ElementType

fn clone(&self) -> ElementType

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for ElementType

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

Formats the value using the given formatter.

impl Default for ElementType

fn default() -> Self

Returns the “default value” for a type.

impl Display for ElementType

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

Formats the value using the given formatter.

impl PartialEq for ElementType

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

This method tests for self and other values to be equal, and is used by ==.

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

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.