Struct cursive_core::views::MenuPopup

pub struct MenuPopup { /* private fields */ }

Popup that shows a list of items.

This is mostly used indirectly when creating a popup SelectView or a menubar.

Implementations

impl MenuPopup

pub fn new(menu: Rc<Tree>) -> Self

Creates a new MenuPopup using the given menu tree.

pub fn set_focus(&mut self, focus: usize)

Sets the currently focused element.

pub fn focus(self, focus: usize) -> Self

Sets the currently focused element.

Chainable variant.

pub fn get_focus(&self) -> usize

Returns the position of the currently focused child.

pub fn align(self, align: Align) -> Self

Sets the alignment for this view.

Chainable variant.

pub fn set_align(&mut self, align: Align)

Sets the alignment for this view.

pub fn on_dismiss<F: 'static + Fn(&mut Cursive)>(self, f: F) -> Self

Sets a callback to be used when this view is actively dismissed.

(When the user hits )

Chainable variant.

pub fn set_on_dismiss<F: 'static + Fn(&mut Cursive)>(&mut self, f: F)

Sets a callback to be used when this view is actively dismissed.

(When the user hits )

pub fn on_action<F: 'static + Fn(&mut Cursive)>(self, f: F) -> Self

Sets a callback to be used when a leaf is activated.

Will also be called if a leaf from a subtree is activated.

Usually used to hide the parent view.

Chainable variant.

pub fn set_on_action<F: 'static + Fn(&mut Cursive)>(&mut self, f: F)

Sets a callback to be used when a leaf is activated.

Will also be called if a leaf from a subtree is activated.

Usually used to hide the parent view.

Trait Implementations

impl Scroller for MenuPopup

fn get_scroller_mut(&mut self) -> &mut Core

Returns a mutable access to the scroll core.

fn get_scroller(&self) -> &Core

Returns an immutable access to the scroll core.

impl View for MenuPopup

fn draw(&self, printer: &Printer<'_, '_>)

Draws the view with the given printer (includes bounds) and focus.

fn required_size(&mut self, req: Vec2) -> Vec2

Returns the minimum size the view requires with the given restrictions.

fn on_event(&mut self, event: Event) -> EventResult

Called when an event is received (key press, mouse event, …).

fn layout(&mut self, size: Vec2)

Called once the size for this view has been decided.

fn important_area(&self, size: Vec2) -> Rect

What part of the view is important and should be visible?

fn needs_relayout(&self) -> bool

Should return true if the view content changed since the last call to layout().

fn call_on_any<'a>(&mut self, _: &Selector<'_>, _: AnyCb<'a>)

Runs a closure on the view identified by the given selector.

fn focus_view(&mut self, _: &Selector<'_>) -> Result<EventResult, ViewNotFound>

Moves the focus to the view identified by the given selector.

fn take_focus(&mut self, source: Direction) -> Result<EventResult, CannotFocus>

Attempt to give this view the focus.

fn type_name(&self) -> &'static str

Returns the type of this view.