yazi/yazi-plugin/src/utils/layer.rs
2025-02-26 03:01:17 +08:00

112 lines
3.3 KiB
Rust

use std::{str::FromStr, time::Duration};
use mlua::{ExternalError, ExternalResult, Function, IntoLuaMulti, Lua, Table, Value};
use tokio::sync::mpsc;
use tokio_stream::wrappers::UnboundedReceiverStream;
use yazi_config::{keymap::{Chord, Key}, popup::{ConfirmCfg, InputCfg}};
use yazi_macro::emit;
use yazi_proxy::{AppProxy, ConfirmProxy, InputProxy};
use yazi_shared::{Debounce, event::Cmd};
use super::Utils;
use crate::{bindings::InputRx, elements::{Line, Pos, Text}};
impl Utils {
pub(super) fn which(lua: &Lua) -> mlua::Result<Function> {
lua.create_async_function(|_, t: Table| async move {
let (tx, mut rx) = mpsc::channel::<usize>(1);
let mut cands = Vec::with_capacity(30);
for (i, cand) in t.raw_get::<Table>("cands")?.sequence_values::<Table>().enumerate() {
let cand = cand?;
cands.push(Chord {
on: Self::parse_keys(cand.raw_get("on")?)?,
run: vec![Cmd::args("which:callback", &[i]).with_any("tx", tx.clone())],
desc: cand.raw_get("desc").ok(),
});
}
drop(tx);
emit!(Call(
Cmd::new("which:show")
.with_any("candidates", cands)
.with_bool("silent", t.raw_get("silent").unwrap_or_default())
));
Ok(rx.recv().await.map(|idx| idx + 1))
})
}
pub(super) fn input(lua: &Lua) -> mlua::Result<Function> {
lua.create_async_function(|lua, t: Table| async move {
let realtime = t.raw_get("realtime").unwrap_or_default();
let rx = UnboundedReceiverStream::new(InputProxy::show(InputCfg {
title: t.raw_get("title")?,
value: t.raw_get("value").unwrap_or_default(),
cursor: None, // TODO
position: Pos::new_input(t.raw_get::<Table>("position")?)?.into(),
realtime,
completion: false,
highlight: false,
}));
if !realtime {
return InputRx::consume(rx).await.into_lua_multi(&lua);
}
let debounce = t.raw_get::<f64>("debounce").unwrap_or_default();
if debounce < 0.0 {
Err("negative debounce duration".into_lua_err())
} else if debounce == 0.0 {
(InputRx::new(rx), Value::Nil).into_lua_multi(&lua)
} else {
(InputRx::new(Debounce::new(rx, Duration::from_secs_f64(debounce))), Value::Nil)
.into_lua_multi(&lua)
}
})
}
pub(super) fn confirm(lua: &Lua) -> mlua::Result<Function> {
fn content(t: &Table) -> mlua::Result<ratatui::widgets::Paragraph<'static>> {
Ok(match t.raw_get::<Value>("content") {
Ok(v) if v.is_nil() => Default::default(),
Ok(v) => Text::try_from(v)?.into(),
Err(e) => Err(e)?,
})
}
lua.create_async_function(|_, t: Table| async move {
let result = ConfirmProxy::show(ConfirmCfg {
position: Pos::try_from(t.raw_get::<Table>("pos")?)?.into(),
title: Line::try_from(t.raw_get::<Value>("title")?)?.into(),
content: content(&t)?,
list: Default::default(), // TODO
});
Ok(result.await)
})
}
pub(super) fn notify(lua: &Lua) -> mlua::Result<Function> {
lua.create_function(|_, t: Table| {
AppProxy::notify(t.try_into()?);
Ok(())
})
}
fn parse_keys(value: Value) -> mlua::Result<Vec<Key>> {
Ok(match value {
Value::String(s) => {
vec![Key::from_str(&s.to_str()?).into_lua_err()?]
}
Value::Table(t) => {
let mut v = Vec::with_capacity(10);
for s in t.sequence_values::<mlua::String>() {
v.push(Key::from_str(&s?.to_str()?).into_lua_err()?);
}
v
}
_ => Err("invalid `on`".into_lua_err())?,
})
}
}