ZIm/crates/settings/src/settings_file.rs
2025-03-31 20:55:27 +02:00

137 lines
4.4 KiB
Rust

use crate::{Settings, settings_store::SettingsStore};
use collections::HashSet;
use fs::{Fs, PathEventKind};
use futures::{StreamExt, channel::mpsc};
use gpui::{App, BackgroundExecutor, ReadGlobal};
use std::{path::PathBuf, sync::Arc, time::Duration};
pub const EMPTY_THEME_NAME: &str = "empty-theme";
#[cfg(any(test, feature = "test-support"))]
pub fn test_settings() -> String {
let mut value = crate::settings_store::parse_json_with_comments::<serde_json::Value>(
crate::default_settings().as_ref(),
)
.unwrap();
#[cfg(not(target_os = "windows"))]
util::merge_non_null_json_value_into(
serde_json::json!({
"ui_font_family": "Courier",
"ui_font_features": {},
"ui_font_size": 14,
"ui_font_fallback": [],
"buffer_font_family": "Courier",
"buffer_font_features": {},
"buffer_font_size": 14,
"buffer_font_fallback": [],
"theme": EMPTY_THEME_NAME,
}),
&mut value,
);
#[cfg(target_os = "windows")]
util::merge_non_null_json_value_into(
serde_json::json!({
"ui_font_family": "Courier New",
"ui_font_features": {},
"ui_font_size": 14,
"ui_font_fallback": [],
"buffer_font_family": "Courier New",
"buffer_font_features": {},
"buffer_font_size": 14,
"buffer_font_fallback": [],
"theme": EMPTY_THEME_NAME,
}),
&mut value,
);
value.as_object_mut().unwrap().remove("languages");
serde_json::to_string(&value).unwrap()
}
pub fn watch_config_file(
executor: &BackgroundExecutor,
fs: Arc<dyn Fs>,
path: PathBuf,
) -> mpsc::UnboundedReceiver<String> {
let (tx, rx) = mpsc::unbounded();
executor
.spawn(async move {
let (events, _) = fs.watch(&path, Duration::from_millis(100)).await;
futures::pin_mut!(events);
let contents = fs.load(&path).await.unwrap_or_default();
if tx.unbounded_send(contents).is_err() {
return;
}
loop {
if events.next().await.is_none() {
break;
}
if let Ok(contents) = fs.load(&path).await {
if tx.unbounded_send(contents).is_err() {
break;
}
}
}
})
.detach();
rx
}
pub fn watch_config_dir(
executor: &BackgroundExecutor,
fs: Arc<dyn Fs>,
dir_path: PathBuf,
config_paths: HashSet<PathBuf>,
) -> mpsc::UnboundedReceiver<String> {
let (tx, rx) = mpsc::unbounded();
executor
.spawn(async move {
for file_path in &config_paths {
if fs.metadata(file_path).await.is_ok_and(|v| v.is_some()) {
if let Ok(contents) = fs.load(file_path).await {
if tx.unbounded_send(contents).is_err() {
return;
}
}
}
}
let (events, _) = fs.watch(&dir_path, Duration::from_millis(100)).await;
futures::pin_mut!(events);
while let Some(event_batch) = events.next().await {
for event in event_batch {
if config_paths.contains(&event.path) {
match event.kind {
Some(PathEventKind::Removed) => {
if tx.unbounded_send(String::new()).is_err() {
return;
}
}
Some(PathEventKind::Created) | Some(PathEventKind::Changed) => {
if let Ok(contents) = fs.load(&event.path).await {
if tx.unbounded_send(contents).is_err() {
return;
}
}
}
_ => {}
}
}
}
}
})
.detach();
rx
}
pub fn update_settings_file<T: Settings>(
fs: Arc<dyn Fs>,
cx: &App,
update: impl 'static + Send + FnOnce(&mut T::FileContent, &App),
) {
SettingsStore::global(cx).update_settings_file::<T>(fs, update);
}