zng_ext_input::focus

Enum FocusInfo

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pub enum FocusInfo {
    NotFocusable,
    Focusable {
        tab_index: TabIndex,
        skip_directional: bool,
    },
    FocusScope {
        tab_index: TabIndex,
        skip_directional: bool,
        tab_nav: TabNav,
        directional_nav: DirectionalNav,
        on_focus: FocusScopeOnFocus,
        alt: bool,
    },
}
Expand description

Focus metadata associated with a widget info tree.

Variants§

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NotFocusable

The widget is not focusable.

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Focusable

The widget is focusable as a single item.

Fields

§tab_index: TabIndex

Tab index of the widget.

§skip_directional: bool

If the widget is skipped during directional navigation from outside.

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FocusScope

The widget is a focusable focus scope.

Fields

§tab_index: TabIndex

Tab index of the widget.

§skip_directional: bool

If the widget is skipped during directional navigation from outside.

§tab_nav: TabNav

Tab navigation inside the focus scope.

§directional_nav: DirectionalNav

Directional navigation inside the focus scope.

§on_focus: FocusScopeOnFocus

Behavior of the widget when receiving direct focus.

§alt: bool

If this scope is focused when the ALT key is pressed.

Implementations§

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impl FocusInfo

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pub fn is_focusable(self) -> bool

If is focusable or a focus scope.

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pub fn is_scope(self) -> bool

If is a focus scope.

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pub fn is_alt_scope(self) -> bool

If is an ALT focus scope.

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pub fn tab_nav(self) -> TabNav

Tab navigation mode.

VariantReturns
Focus scopeAssociated value, default is Continue
FocusableTabNav::Continue
Not-FocusableTabNav::None
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pub fn directional_nav(self) -> DirectionalNav

Directional navigation mode.

VariantReturns
Focus scopeAssociated value, default is None
FocusableDirectionalNav::Continue
Not-FocusableDirectionalNav::None
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pub fn tab_index(self) -> TabIndex

Tab navigation index.

VariantReturns
Focusable & ScopeAssociated value, default is TabIndex::AUTO
Not-FocusableTabIndex::SKIP
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pub fn skip_directional(self) -> bool

If directional navigation skips over this widget.

VariantReturns
Focusable & ScopeAssociated value, default is false
Not-Focusabletrue
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pub fn scope_on_focus(self) -> FocusScopeOnFocus

Focus scope behavior when it receives direct focus.

VariantReturns
ScopeAssociated value, default is FocusScopeOnFocus::FirstDescendant
Focusable & Not-FocusableFocusScopeOnFocus::Self_

Trait Implementations§

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impl Clone for FocusInfo

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fn clone(&self) -> FocusInfo

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for FocusInfo

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

Formats the value using the given formatter. Read more
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impl<'de> Deserialize<'de> for FocusInfo

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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 FocusInfo

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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 Copy for FocusInfo

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Gets the TypeId of self. Read more
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where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

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unsafe fn clone_to_uninit(&self, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
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