Enum cursive_core::menu::Item

pub enum Item {
    Leaf {
        label: String,
        cb: Callback,
        enabled: bool,
    },
    Subtree {
        label: String,
        tree: Rc<Tree>,
        enabled: bool,
    },
    Delimiter,
}

Node in the menu tree.

Variants

Leaf

Fields

label: String

Text displayed for this entry.

cb: Callback

Callback to run when the entry is selected.

enabled: bool

Whether this item is enabled.

Disabled items cannot be selected and are displayed grayed out.

Actionnable button with a label.

Subtree

Fields

label: String

Text displayed for this entry.

tree: Rc<Tree>

Subtree under this item.

enabled: bool

Whether this item is enabled.

Disabled items cannot be selected and are displayed grayed out.

Sub-menu with a label.

Delimiter

Delimiter without a label.

Implementations

impl Item

pub fn leaf<S, F>(label: S, cb: F) -> Selfwhere
    S: Into<String>,
    F: 'static + Fn(&mut Cursive),

Create a new leaf menu item.

pub fn subtree<S>(label: S, tree: Tree) -> Selfwhere
    S: Into<String>,

Create a new subtree menu item.

pub fn label(&self) -> &str

Returns the label for this item.

Returns a vertical bar string if self is a delimiter.

pub fn is_enabled(&self) -> bool

Returns true if this item is enabled.

Only labels and subtrees can be enabled. Delimiters

pub fn disabled(self) -> Self

Return a disabled version of this item.

pub fn disable(&mut self)

Disable this item.

Disabled items cannot be selected and are shown grayed out.

Does not affect delimiters.

pub fn is_delimiter(&self) -> bool

Returns true if self is a delimiter.

pub fn is_leaf(&self) -> bool

Returns true if self is a leaf node.

pub fn is_subtree(&self) -> bool

Returns true if self is a subtree.

pub fn as_subtree(&mut self) -> Option<&mut Tree>

Return a mutable reference to the subtree, if applicable.

Returns None if self is not a Item::Subtree.

Trait Implementations

impl Clone for Item

fn clone(&self) -> Item

Returns a copy of the value.

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

Performs copy-assignment from source.