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KeyboardNavigationHandler

Struct KeyboardNavigationHandler 

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

Handles keyboard navigation for a window.

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impl KeyboardNavigationHandler

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pub fn new() -> Rc<Self>

Creates a keyboard navigation handler without an owner.

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pub fn get_next( element: &Ref<InputElement>, direction: NavigationDirection, ) -> Option<Ref<InputElement>>

Gets the next control in the specified navigation direction.

Returns the next element in the specified direction, or None if element was the last in the requested direction.

Panics for directions other than next, previous, up, down, left and right.

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impl IKeyboardNavigationHandler for KeyboardNavigationHandler

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fn set_owner(&self, owner: &Ref<InputElement>)

Sets the owner of the keyboard navigation handler. Read more
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fn move_( &self, element: Option<&Ref<InputElement>>, direction: NavigationDirection, key_modifiers: KeyModifiers, device_type: Option<KeyDeviceType>, ) -> bool

Moves the focus in the specified direction. Read more

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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> ClassDefaults for T
where T: ?Sized,

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fn static_constructor()

The static constructor of a type: work done once per thread, after the properties of the type are registered and before its first instance exists (class handlers, affects_render, metadata overrides). 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 = !

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, !>

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.