Struct TypeAhead 

pub struct TypeAhead { /* private fields */ }

What has been typed into a list so far.

Implementations

impl TypeAhead

pub fn type_text(&mut self, text: &str, now: Instant)

Add text (a key’s characters) to what is being typed at now, starting over after a pause.

pub fn reset(&mut self)

Forget what was typed: the list changed under it.

pub fn typed(&self) -> &str

What has been typed, lowercased.

pub fn is_typing(&self, now: Instant) -> bool

Whether a name is being typed at now: something was typed and the pause that starts over has not passed. A space continues such a name; otherwise it is the list’s own key.

pub fn target<'a>( &self, labels: impl IntoIterator<Item = &'a str>, current: Option<usize>, ) -> Option<usize>

The row to move to among labels, given the row the cursor is on.

A longer name refines from the current row, which stays put while it still matches; one letter repeated steps to the next row beginning with it. Matching ignores case and wraps around. None when no row begins with what was typed.

pub fn target_at<'a>( &self, len: usize, current: Option<usize>, label: impl FnMut(usize) -> Option<Cow<'a, str>>, ) -> Option<usize>

Self::target among len rows read one at a time by label (None for a row without a name), so a long list is searched without collecting its names.

Trait Implementations

impl Clone for TypeAhead

fn clone(&self) -> TypeAhead

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for TypeAhead

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

Formats the value using the given formatter.

impl Default for TypeAhead

fn default() -> TypeAhead

Returns the “default value” for a type.