Struct FocusManager 

pub struct FocusManager { /* private fields */ }

Manages focus for the application.

Implementations

impl FocusManager

pub const TYPE: &'static TypeInfo = <FocusManager as crate::StaticType>::TYPE

The runtime type of this type.

impl FocusManager

pub fn new() -> Rc<FocusManager>

Creates a focus manager.

pub fn content_root(&self) -> Option<Ref<InputElement>>

The root of the content the focus manager navigates within.

pub fn set_content_root(&self, value: Option<Ref<InputElement>>)

Sets the root of the content the focus manager navigates within.

pub fn get_focused_element(&self) -> Option<Ref<InputElement>>

Gets the currently focused element.

pub fn focus( &self, element: Option<&Ref<InputElement>>, method: NavigationMethod, key_modifiers: KeyModifiers, ) -> bool

Focuses a control.

element is the control to focus; None restores the focus of the current focus root or clears the focus. method is the method by which focus was changed and key_modifiers any key modifiers active at the time of focus. Returns true if the focus moved to a control.

pub fn get_focused_element_in_scope( &self, scope: &StyledElement, ) -> Option<Ref<InputElement>>

Gets the element that is focused within a focus scope.

pub fn set_focus_scope(&self, scope: &Ref<InputElement>)

Sets the currently focused scope: focus moves to the element that was last focused in the scope, or to the scope itself.

pub fn remove_focus_root(&self, scope: &StyledElement)

Clears the focus if scope is the current focus root.

pub fn get_is_focus_scope(e: &InputElement) -> bool

Whether an element is a focus scope.

pub fn get_focus_manager(element: &InputElement) -> Option<Rc<FocusManager>>

The focus manager responsible for an element: the one of the input root the element is attached to, or the fallback instance.

pub fn can_focus(e: &InputElement) -> bool

Whether an element can receive focus: it is focusable, effectively enabled and visible.

pub fn try_move_focus( &self, direction: NavigationDirection, options: Option<&FindNextElementOptions>, ) -> bool

Attempts to change focus from the element with focus to the next focusable element in the specified direction.

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

pub fn find_first_focusable_element(&self) -> Option<Ref<InputElement>>

Retrieves the first element that can receive focus within the content root.

pub fn find_first_focusable_element_in( search_scope: &Ref<InputElement>, ) -> Option<Ref<InputElement>>

Retrieves the first element that can receive focus based on the specified scope.

pub fn find_last_focusable_element(&self) -> Option<Ref<InputElement>>

Retrieves the last element that can receive focus within the content root.

pub fn find_last_focusable_element_in( search_scope: &Ref<InputElement>, ) -> Option<Ref<InputElement>>

Retrieves the last element that can receive focus based on the specified scope.

pub fn find_next_element( &self, direction: NavigationDirection, options: Option<&FindNextElementOptions>, ) -> Option<Ref<InputElement>>

Retrieves the element that should receive focus based on the specified navigation direction, without moving focus.

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

Trait Implementations

impl IFocusManager for FocusManager

fn get_focused_element(&self) -> Option<Ref<InputElement>>

Gets the currently focused element.

fn focus( &self, element: Option<&Ref<InputElement>>, method: NavigationMethod, key_modifiers: KeyModifiers, ) -> bool

Focuses a control.

fn try_move_focus( &self, direction: NavigationDirection, options: Option<&FindNextElementOptions>, ) -> bool

Attempts to change focus from the element with focus to the next focusable element in the specified direction.

fn find_first_focusable_element(&self) -> Option<Ref<InputElement>>

Retrieves the first element that can receive focus.

fn find_last_focusable_element(&self) -> Option<Ref<InputElement>>

Retrieves the last element that can receive focus.

fn find_next_element( &self, direction: NavigationDirection, options: Option<&FindNextElementOptions>, ) -> Option<Ref<InputElement>>

Retrieves the element that should receive focus based on the specified navigation direction.

fn as_any(&self) -> &dyn Any

The focus manager as Any, for downcasting to the concrete type.

impl StaticType for FocusManager

const TYPE: &'static TypeInfo

The runtime type.