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Code Issues Projects Releases Packages Wiki Activity Actions 6

Set buffer language when confirming selection in language selector

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Co-Authored-By: Julia Risley <julia@zed.dev>
This commit is contained in:
Antonio Scandurra 2023-02-24 16:28:56 +01:00
parent b402f27d50
commit 686f5439ad
5 changed files with 89 additions and 41 deletions
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1
Cargo.lock generated
View file

@ -3290,6 +3290,7 @@ dependencies = [
name = "language_selector"
version = "0.1.0"
dependencies = [
"anyhow",
"editor",
"fuzzy",
"gpui",

9
crates/editor/src/editor.rs
View file

@ -1254,6 +1254,15 @@ impl Editor {
self.buffer.read(cx).language_at(point, cx)
}
pub fn active_excerpt(
&self,
cx: &AppContext,
) -> Option<(ExcerptId, ModelHandle<Buffer>, Range<text::Anchor>)> {
self.buffer
.read(cx)
.excerpt_containing(self.selections.newest_anchor().head(), cx)
}
fn style(&self, cx: &AppContext) -> EditorStyle {
build_style(
cx.global::<Settings>(),

1
crates/language_selector/Cargo.toml
View file

@ -18,3 +18,4 @@ project = { path = "../project" }
theme = { path = "../theme" }
settings = { path = "../settings" }
workspace = { path = "../workspace" }
anyhow = "1.0"

83
crates/language_selector/src/language_selector.rs
View file

@ -1,12 +1,14 @@
use std::sync::Arc;
use editor::Editor;
use fuzzy::{match_strings, StringMatch, StringMatchCandidate};
use gpui::{
actions, elements::*, AnyViewHandle, AppContext, Entity, MouseState, MutableAppContext,
RenderContext, View, ViewContext, ViewHandle,
actions, elements::*, AnyViewHandle, AppContext, Entity, ModelHandle, MouseState,
MutableAppContext, RenderContext, View, ViewContext, ViewHandle,
};
use language::LanguageRegistry;
use language::{Buffer, LanguageRegistry};
use picker::{Picker, PickerDelegate};
use project::Project;
use settings::Settings;
use workspace::{AppState, Workspace};
@ -27,32 +29,47 @@ pub enum Event {
}
pub struct LanguageSelector {
buffer: ModelHandle<Buffer>,
project: ModelHandle<Project>,
language_registry: Arc<LanguageRegistry>,
candidates: Vec<StringMatchCandidate>,
matches: Vec<StringMatch>,
picker: ViewHandle<Picker<Self>>,
selected_index: usize,
}
impl LanguageSelector {
fn new(language_registry: Arc<LanguageRegistry>, cx: &mut ViewContext<Self>) -> Self {
fn new(
buffer: ModelHandle<Buffer>,
project: ModelHandle<Project>,
language_registry: Arc<LanguageRegistry>,
cx: &mut ViewContext<Self>,
) -> Self {
let handle = cx.weak_handle();
let picker = cx.add_view(|cx| Picker::new("Select Language...", handle, cx));
let mut matches = language_registry
let candidates = language_registry
.language_names()
.into_iter()
.enumerate()
.map(|(candidate_id, name)| StringMatch {
candidate_id,
score: 0.0,
.map(|(candidate_id, name)| StringMatchCandidate::new(candidate_id, name))
.collect::<Vec<_>>();
let mut matches = candidates
.iter()
.map(|candidate| StringMatch {
candidate_id: candidate.id,
score: 0.,
positions: Default::default(),
string: name,
string: candidate.string.clone(),
})
.collect::<Vec<_>>();
matches.sort_unstable_by(|mat1, mat2| mat1.string.cmp(&mat2.string));
Self {
buffer,
project,
language_registry,
candidates,
matches,
picker,
selected_index: 0,
@ -64,11 +81,18 @@ impl LanguageSelector {
registry: Arc<LanguageRegistry>,
cx: &mut ViewContext<Workspace>,
) {
workspace.toggle_modal(cx, |_, cx| {
let this = cx.add_view(|cx| Self::new(registry, cx));
cx.subscribe(&this, Self::on_event).detach();
this
});
if let Some((_, buffer, _)) = workspace
.active_item(cx)
.and_then(|active_item| active_item.act_as::<Editor>(cx))
.and_then(|editor| editor.read(cx).active_excerpt(cx))
{
workspace.toggle_modal(cx, |workspace, cx| {
let project = workspace.project().clone();
let this = cx.add_view(|cx| Self::new(buffer, project, registry, cx));
cx.subscribe(&this, Self::on_event).detach();
this
});
}
}
fn on_event(
@ -111,7 +135,21 @@ impl PickerDelegate for LanguageSelector {
}
fn confirm(&mut self, cx: &mut ViewContext<Self>) {
todo!();
if let Some(mat) = self.matches.get(self.selected_index) {
let language_name = &self.candidates[mat.candidate_id].string;
let language = self.language_registry.language_for_name(language_name);
cx.spawn(|this, mut cx| async move {
let language = language.await?;
this.update(&mut cx, |this, cx| {
this.project.update(cx, |project, cx| {
project.set_language_for_buffer(&this.buffer, language, cx);
});
});
anyhow::Ok(())
})
.detach_and_log_err(cx);
}
cx.emit(Event::Dismissed);
}
@ -123,24 +161,13 @@ impl PickerDelegate for LanguageSelector {
self.selected_index
}
fn set_selected_index(&mut self, ix: usize, cx: &mut ViewContext<Self>) {
fn set_selected_index(&mut self, ix: usize, _: &mut ViewContext<Self>) {
self.selected_index = ix;
}
fn update_matches(&mut self, query: String, cx: &mut ViewContext<Self>) -> gpui::Task<()> {
let background = cx.background().clone();
let candidates = self
.language_registry
.language_names()
.into_iter()
.enumerate()
.map(|(id, name)| StringMatchCandidate {
id,
char_bag: name.as_str().into(),
string: name.clone(),
})
.collect::<Vec<_>>();
let candidates = self.candidates.clone();
cx.spawn(|this, mut cx| async move {
let matches = if query.is_empty() {
candidates

36
crates/project/src/project.rs
View file

@ -1464,7 +1464,7 @@ impl Project {
})
.await?;
this.update(&mut cx, |this, cx| {
this.assign_language_to_buffer(&buffer, cx);
this.detect_language_for_buffer(&buffer, cx);
this.register_buffer_with_language_server(&buffer, cx);
});
Ok(())
@ -1531,7 +1531,7 @@ impl Project {
})
.detach();
self.assign_language_to_buffer(buffer, cx);
self.detect_language_for_buffer(buffer, cx);
self.register_buffer_with_language_server(buffer, cx);
cx.observe_release(buffer, |this, buffer, cx| {
if let Some(file) = File::from_dyn(buffer.file()) {
@ -1818,7 +1818,7 @@ impl Project {
}
for buffer in plain_text_buffers {
project.assign_language_to_buffer(&buffer, cx);
project.detect_language_for_buffer(&buffer, cx);
project.register_buffer_with_language_server(&buffer, cx);
}
@ -1831,7 +1831,7 @@ impl Project {
})
}
fn assign_language_to_buffer(
fn detect_language_for_buffer(
&mut self,
buffer: &ModelHandle<Buffer>,
cx: &mut ModelContext<Self>,
@ -1843,6 +1843,16 @@ impl Project {
.language_for_path(&full_path)
.now_or_never()?
.ok()?;
self.set_language_for_buffer(buffer, new_language, cx);
None
}
pub fn set_language_for_buffer(
&mut self,
buffer: &ModelHandle<Buffer>,
new_language: Arc<Language>,
cx: &mut ModelContext<Self>,
) {
buffer.update(cx, |buffer, cx| {
if buffer.language().map_or(true, |old_language| {
!Arc::ptr_eq(old_language, &new_language)
@ -1851,13 +1861,13 @@ impl Project {
}
});
let file = File::from_dyn(buffer.read(cx).file())?;
let worktree = file.worktree.read(cx).as_local()?;
let worktree_id = worktree.id();
let worktree_abs_path = worktree.abs_path().clone();
self.start_language_server(worktree_id, worktree_abs_path, new_language, cx);
None
if let Some(file) = File::from_dyn(buffer.read(cx).file()) {
if let Some(worktree) = file.worktree.read(cx).as_local() {
let worktree_id = worktree.id();
let worktree_abs_path = worktree.abs_path().clone();
self.start_language_server(worktree_id, worktree_abs_path, new_language, cx);
}
}
}
fn merge_json_value_into(source: serde_json::Value, target: &mut serde_json::Value) {
@ -4553,7 +4563,7 @@ impl Project {
for (buffer, old_path) in renamed_buffers {
self.unregister_buffer_from_language_server(&buffer, old_path, cx);
self.assign_language_to_buffer(&buffer, cx);
self.detect_language_for_buffer(&buffer, cx);
self.register_buffer_with_language_server(&buffer, cx);
}
}
@ -5222,7 +5232,7 @@ impl Project {
buffer.update(cx, |buffer, cx| {
buffer.file_updated(Arc::new(file), cx).detach();
});
this.assign_language_to_buffer(&buffer, cx);
this.detect_language_for_buffer(&buffer, cx);
}
Ok(())
})