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#[derive(Debug)]
pub struct ButtonManager<T = usize>(Vec<(f64, f64, T)>);
impl<T> Default for ButtonManager<T> {
fn default() -> Self {
Self(Vec::new())
}
}
impl<T> ButtonManager<T> {
pub fn push(&mut self, x_offset: f64, width: f64, elem: T) {
self.0.push((x_offset, width, elem));
}
pub fn clear(&mut self) {
self.0.clear()
}
pub fn click(&self, x: f64) -> Option<&T> {
self.0
.iter()
.find(|(x_off, w, _)| x >= *x_off && x <= *x_off + *w)
.map(|(_, _, e)| e)
}
pub fn is_between(&self, x: f64) -> bool {
let mut left = false;
let mut right = false;
for &(x_off, w, _) in &self.0 {
left |= x_off <= x;
right |= x_off + w >= x;
}
left && right
}
}
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