Struct ChoiceState

pub struct ChoiceState {
    pub area: Rect,
    pub z_areas: [ZRect; 2],
    pub item_area: Rect,
    pub button_area: Rect,
    pub item_areas: Vec<Rect>,
    pub selected: Option<usize>,
    pub scroll: ScrollState,
    pub popup: PopupCoreState,
    pub focus: FocusFlag,
    pub non_exhaustive: NonExhaustive,
}

State.

Fields

area: Rect

Total area.

z_areas: [ZRect; 2]

All areas

item_area: Rect

Selected item

button_area: Rect

Button

item_areas: Vec<Rect>

Visible items

selected: Option<usize>

Select item.

scroll: ScrollState

Vertical scroll.

popup: PopupCoreState

Popup state

focus: FocusFlag

Focus flag.

non_exhaustive: NonExhaustive

Implementations

impl ChoiceState

pub fn new() -> Self

pub fn named(name: &str) -> Self

Trait Implementations

impl Clone for ChoiceState

fn clone(&self) -> ChoiceState

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for ChoiceState

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

Formats the value using the given formatter.

impl Default for ChoiceState

fn default() -> Self

Returns the “default value” for a type.

impl HandleEvent<Event, Regular, Outcome> for ChoiceState

fn handle(&mut self, event: &Event, _qualifier: Regular) -> Outcome

Handle an event.

impl HasFocus for ChoiceState

fn focus(&self) -> FocusFlag

Access to the flag for the rest.

fn area(&self) -> Rect

Area for mouse focus.

fn z_areas(&self) -> &[ZRect]

The widget might have several disjointed/overlapping areas. This is the case if it is showing a popup, but there might be other causes.

fn build(&self, builder: &mut FocusBuilder)

Build the focus-structure for the container.

fn navigable(&self) -> Navigation

Declares how the widget interacts with focus.

fn is_focused(&self) -> bool

Focused?

fn lost_focus(&self) -> bool

Just lost focus.

fn gained_focus(&self) -> bool

Just gained focus.