Select

Struct Select 

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pub struct Select { /* private fields */ }
Expand description

Select/Dropdown widget.

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impl Select

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pub fn new() -> Self

Create a new select widget.

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pub fn option(self, opt: SelectOption) -> Self

Add an option.

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pub fn options(self, opts: impl IntoIterator<Item = SelectOption>) -> Self

Add multiple options.

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pub fn options_from_strings( self, values: impl IntoIterator<Item = impl Into<String>>, ) -> Self

Set options from simple string values.

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pub fn placeholder(self, text: impl Into<String>) -> Self

Set placeholder text.

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pub fn selected(self, index: Option<usize>) -> Self

Set selected index.

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pub fn selected_value(self, value: &str) -> Self

Set selected by value.

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pub const fn disabled(self, disabled: bool) -> Self

Set disabled state.

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pub fn min_width(self, width: f32) -> Self

Set minimum width.

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pub fn item_height(self, height: f32) -> Self

Set item height.

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pub fn max_visible_items(self, count: usize) -> Self

Set max visible items.

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pub const fn background_color(self, color: Color) -> Self

Set background color.

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pub const fn border_color(self, color: Color) -> Self

Set border color.

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pub fn with_test_id(self, id: impl Into<String>) -> Self

Set test ID.

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pub fn with_accessible_name(self, name: impl Into<String>) -> Self

Set accessible name.

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pub const fn get_selected(&self) -> Option<usize>

Get selected index.

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

Get selected value.

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

Get selected label.

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pub fn get_options(&self) -> &[SelectOption]

Get all options.

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pub const fn is_open(&self) -> bool

Check if dropdown is open.

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pub fn is_empty(&self) -> bool

Check if empty (no options).

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pub fn option_count(&self) -> usize

Get option count.

Trait Implementations§

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impl Default for Select

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fn default() -> Self

Returns the “default value” for a type. Read more
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impl<'de> Deserialize<'de> for Select

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fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
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impl Serialize for Select

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

Serialize this value into the given Serde serializer. Read more
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impl Widget for Select

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fn type_id(&self) -> TypeId

Get the type identifier for this widget type.
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fn measure(&self, constraints: Constraints) -> Size

Compute intrinsic size constraints. Read more
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fn layout(&mut self, bounds: Rect) -> LayoutResult

Position children within allocated bounds. Read more
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fn paint(&self, canvas: &mut dyn Canvas)

Generate draw commands for rendering. Read more
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fn event(&mut self, event: &Event) -> Option<Box<dyn Any + Send>>

Handle input events. Read more
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fn children(&self) -> &[Box<dyn Widget>]

Get child widgets for tree traversal.
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fn children_mut(&mut self) -> &mut [Box<dyn Widget>]

Get mutable child widgets.
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fn is_interactive(&self) -> bool

Check if this widget is interactive (can receive focus/events).
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fn is_focusable(&self) -> bool

Check if this widget can receive keyboard focus.
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fn accessible_name(&self) -> Option<&str>

Get the accessible name for screen readers.
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fn accessible_role(&self) -> AccessibleRole

Get the accessible role.
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fn test_id(&self) -> Option<&str>

Get the test ID for this widget (if any).
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fn bounds(&self) -> Rect

Get the current bounds of this widget. Read more

Auto Trait Implementations§

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impl Freeze for Select

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impl RefUnwindSafe for Select

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impl Send for Select

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impl Sync for Select

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impl Unpin for Select

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impl UnwindSafe for Select

Blanket Implementations§

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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> 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> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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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> 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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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

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> DeserializeOwned for T
where T: for<'de> Deserialize<'de>,