Struct CompositionInteractionSourceCollection 

pub struct CompositionInteractionSourceCollection { /* private fields */ }

The sources of a tracker (CompositionInteractionSourceCollection).

Implementations

impl CompositionInteractionSourceCollection

pub fn add(&self, source: Rc<VisualInteractionSource>)

Adds a source: its input drives the tracker from now on. Adding a source twice does nothing.

pub fn remove(&self, source: &Rc<VisualInteractionSource>)

Removes a source.

pub fn remove_all(&self)

Removes every source.

pub fn count(&self) -> usize

The number of sources.

pub fn items(&self) -> Vec<Rc<VisualInteractionSource>>

The sources, in the order they were added.