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wip: fixing Map, centering

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🪞👃🪞 2025-01-01 17:00:28 +01:00
parent 059ff2ca79
commit d17d20e7db
10 changed files with 104 additions and 78 deletions
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29
layout/src/ops.rs
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@ -21,13 +21,14 @@ pub trait Layout<E: Engine> {
{
Opt(option, cb, Default::default())
}
fn map <T, I, R, F>(iterator: I, callback: F) -> Map<E, T, I, R, F> where
fn map <T, I, J, R, F>(iterator: J, callback: F) -> Map<E, T, I, J, R, F> where
E: Engine,
I: Iterator<Item = T> + Send + Sync,
J: Fn() -> I + Send + Sync,
R: Content<E>,
F: Fn(T, usize)->R + Send + Sync
{
Map(Default::default(), RwLock::new(iterator), callback)
Map(Default::default(), iterator, callback)
}
//pub fn reduce <E, T, I, R, F>(iterator: I, callback: F) -> Reduce<E, T, I, R, F> where
//E: Engine,
@ -77,21 +78,39 @@ impl<E: Engine, A: Content<E>, B: Content<E>> Content<E> for Either<E, A, B> {
}
}
pub struct Map<E, T, I, R, F>(PhantomData<E>, RwLock<I>, F) where
pub struct Map<E, T, I, J, R, F>(PhantomData<E>, J, F) where
E: Engine,
I: Iterator<Item = T> + Send + Sync,
J: Fn()->I + Send + Sync,
R: Content<E>,
F: Fn(T, usize)->R + Send + Sync;
impl<E, T, I, R, F> Content<E> for Map<E, T, I, R, F> where
impl<E, T, I, J, R, F> Content<E> for Map<E, T, I, J, R, F> where
E: Engine,
I: Iterator<Item = T> + Send + Sync,
J: Fn()->I + Send + Sync,
R: Content<E>,
F: Fn(T, usize)->R + Send + Sync
{
fn layout (&self, area: E::Area) -> E::Area {
let mut index = 0;
let mut max_w = 0;
let mut max_h = 0;
for item in (self.1)() {
let [x, y, w, h] = (self.2)(item, index).layout(area).xywh();
max_w = max_w.max((x + w).into());
max_h = max_h.max((y + h).into());
index += 1;
}
align_areas(
Alignment::Center,
area.xywh(),
[0.into(), 0.into(), max_w.into(), max_h.into()]
).into()
}
fn render (&self, to: &mut E::Output) {
let mut index = 0;
for item in &mut*self.1.write().unwrap() {
for item in (self.1)() {
(self.2)(item, index).render(to);
index += 1;
}