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use crate::func::prelude::*;
use super::maps::PosAxisMap;
function! {
/// `direction`: Sets the directions of the layouting axes.
#[derive(Debug, PartialEq)]
pub struct DirectionFunc {
body: Option<SyntaxTree>,
map: PosAxisMap<Direction>,
}
parse(args, body, ctx) {
DirectionFunc {
body: parse!(optional: body, ctx),
map: PosAxisMap::new(&mut args)?,
}
}
layout(self, mut ctx) {
ctx.base = ctx.spaces[0].dimensions;
let map = self.map.dedup(ctx.axes, |direction| {
Some(direction.axis().to_generic(ctx.axes))
})?;
map.with(Primary, |&dir| ctx.axes.primary = dir);
map.with(Secondary, |&dir| ctx.axes.secondary = dir);
if ctx.axes.primary.axis() == ctx.axes.secondary.axis() {
error!(
"invalid aligned primary and secondary axes: `{}`, `{}`",
format!("{:?}", ctx.axes.primary).to_lowercase(),
format!("{:?}", ctx.axes.secondary).to_lowercase(),
);
}
match &self.body {
Some(body) => vec![AddMultiple(layout(&body, ctx).await?)],
None => vec![Command::SetAxes(ctx.axes)],
}
}
}
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