Move finding results in the background

This commit is contained in:
Antonio Scandurra 2022-01-28 12:15:55 +01:00
parent b2ded5bca8
commit 860e37d50f
3 changed files with 61 additions and 31 deletions

1
Cargo.lock generated
View file

@ -1727,6 +1727,7 @@ dependencies = [
"editor",
"gpui",
"postage",
"smol",
"theme",
"workspace",
]

View file

@ -13,3 +13,4 @@ gpui = { path = "../gpui" }
theme = { path = "../theme" }
workspace = { path = "../workspace" }
postage = { version = "0.4.1", features = ["futures-traits"] }
smol = { version = "1.2" }

View file

@ -1,10 +1,11 @@
use aho_corasick::AhoCorasickBuilder;
use editor::{char_kind, Editor, EditorSettings};
use gpui::{
action, elements::*, keymap::Binding, Entity, MutableAppContext, RenderContext, View,
action, elements::*, keymap::Binding, Entity, MutableAppContext, RenderContext, Task, View,
ViewContext, ViewHandle,
};
use postage::watch;
use smol::future::yield_now;
use std::sync::Arc;
use workspace::{ItemViewHandle, Settings, Toolbar, Workspace};
@ -33,6 +34,7 @@ struct FindBar {
settings: watch::Receiver<Settings>,
query_editor: ViewHandle<Editor>,
active_editor: Option<ViewHandle<Editor>>,
pending_search: Option<Task<()>>,
case_sensitive_mode: bool,
whole_word_mode: bool,
regex_mode: bool,
@ -116,6 +118,7 @@ impl FindBar {
whole_word_mode: false,
regex_mode: false,
settings,
pending_search: None,
}
}
@ -184,26 +187,38 @@ impl FindBar {
_: &editor::Event,
cx: &mut ViewContext<Self>,
) {
if let Some(editor) = &self.active_editor {
let search = self.query_editor.read(cx).text(cx);
let theme = &self.settings.borrow().theme.find;
editor.update(cx, |editor, cx| {
if search.is_empty() {
editor.clear_highlighted_ranges::<Self>(cx);
return;
}
self.update_matches(cx);
}
fn update_matches(&mut self, cx: &mut ViewContext<Self>) {
let search = self.query_editor.read(cx).text(cx);
self.pending_search.take();
if let Some(editor) = self.active_editor.as_ref() {
if search.is_empty() {
editor.update(cx, |editor, cx| editor.clear_highlighted_ranges::<Self>(cx));
} else {
let buffer = editor.read(cx).buffer().read(cx).snapshot(cx);
let case_sensitive_mode = self.case_sensitive_mode;
let whole_word_mode = self.whole_word_mode;
let ranges = cx.background().spawn(async move {
const YIELD_INTERVAL: usize = 20000;
let search = AhoCorasickBuilder::new()
.auto_configure(&[&search])
.ascii_case_insensitive(!case_sensitive_mode)
.build(&[&search]);
let mut ranges = Vec::new();
for (ix, mat) in search
.stream_find_iter(buffer.bytes_in_range(0..buffer.len()))
.enumerate()
{
if (ix + 1) % YIELD_INTERVAL == 0 {
yield_now().await;
}
let search = AhoCorasickBuilder::new()
.auto_configure(&[&search])
.ascii_case_insensitive(!self.case_sensitive_mode)
.build(&[&search]);
let buffer = editor.buffer().read(cx).snapshot(cx);
let ranges = search
.stream_find_iter(buffer.bytes_in_range(0..buffer.len()))
.filter_map(|mat| {
let mat = mat.unwrap();
if self.whole_word_mode {
if whole_word_mode {
let prev_kind =
buffer.reversed_chars_at(mat.start()).next().map(char_kind);
let start_kind =
@ -211,21 +226,34 @@ impl FindBar {
let end_kind =
char_kind(buffer.reversed_chars_at(mat.end()).next().unwrap());
let next_kind = buffer.chars_at(mat.end()).next().map(char_kind);
if Some(start_kind) != prev_kind && Some(end_kind) != next_kind {
Some(
buffer.anchor_after(mat.start())
..buffer.anchor_before(mat.end()),
)
} else {
None
if Some(start_kind) == prev_kind || Some(end_kind) == next_kind {
continue;
}
} else {
Some(buffer.anchor_after(mat.start())..buffer.anchor_before(mat.end()))
}
})
.collect();
editor.highlight_ranges::<Self>(ranges, theme.match_background, cx);
});
ranges.push(
buffer.anchor_after(mat.start())..buffer.anchor_before(mat.end()),
);
}
ranges
});
let editor = editor.downgrade();
self.pending_search = Some(cx.spawn_weak(|this, mut cx| async move {
let ranges = ranges.await;
if let Some((this, editor)) =
cx.read(|cx| this.upgrade(cx).zip(editor.upgrade(cx)))
{
this.update(&mut cx, |this, cx| {
let theme = &this.settings.borrow().theme.find;
editor.update(cx, |editor, cx| {
editor.highlight_ranges::<Self>(ranges, theme.match_background, cx)
});
});
}
}));
}
}
}
}