diff --git a/helix-term/src/application.rs b/helix-term/src/application.rs
index ab268041..79921268 100644
--- a/helix-term/src/application.rs
+++ b/helix-term/src/application.rs
@@ -234,9 +234,8 @@ impl Application {
}
pub fn handle_idle_timeout(&mut self) {
+ use crate::commands::{completion, Context};
use helix_view::document::Mode;
- use crate::commands::{Context, completion};
-
if doc_mut!(self.editor).mode != Mode::Insert {
return;
@@ -254,6 +253,8 @@ impl Application {
return;
}
+ // TODO: if completion window was closed with enter (and no selection) we shouldn't retrigger
+
let mut cx = Context {
selected_register: helix_view::RegisterSelection::default(),
editor: &mut self.editor,
@@ -262,9 +263,9 @@ impl Application {
callback: None,
on_next_key_callback: None,
};
- completion(&mut cx);
- // TODO: scan backwards for trigger and filter the box
- self.render();
+ completion(&mut cx);
+ // TODO: scan backwards for trigger and filter the box
+ self.render();
}
pub fn handle_terminal_events(&mut self, event: Option<Result<Event, crossterm::ErrorKind>>) {
diff --git a/helix-term/src/commands.rs b/helix-term/src/commands.rs
index 1dbb5616..3798c99a 100644
--- a/helix-term/src/commands.rs
+++ b/helix-term/src/commands.rs
@@ -4090,10 +4090,8 @@ pub fn completion(cx: &mut Context) {
};
let offset_encoding = language_server.offset_encoding();
- let cursor = doc
- .selection(view.id)
- .primary()
- .cursor(doc.text().slice(..));
+ let text = doc.text().slice(..);
+ let cursor = doc.selection(view.id).primary().cursor(text);
let pos = pos_to_lsp_pos(doc.text(), cursor, offset_encoding);
@@ -4101,6 +4099,15 @@ pub fn completion(cx: &mut Context) {
let trigger_offset = cursor;
+ // TODO: trigger_offset should be the cursor offset but we also need a starting offset from where we want to apply
+ // completion filtering. For example logger.te| should filter the initial suggestion list with "te".
+
+ use helix_core::chars;
+ let mut iter = text.chars_at(cursor);
+ iter.reverse();
+ let offset = iter.take_while(|ch| chars::char_is_word(*ch)).count();
+ let start_offset = cursor.saturating_sub(offset);
+
cx.callback(
future,
move |editor: &mut Editor,
@@ -4131,7 +4138,7 @@ pub fn completion(cx: &mut Context) {
.find(std::any::type_name::<ui::EditorView>())
.unwrap();
if let Some(ui) = ui.as_any_mut().downcast_mut::<ui::EditorView>() {
- ui.set_completion(items, offset_encoding, trigger_offset, size);
+ ui.set_completion(editor, items, offset_encoding, start_offset, trigger_offset, size);
};
},
);
diff --git a/helix-term/src/ui/completion.rs b/helix-term/src/ui/completion.rs
index 6c9e3a80..72b03274 100644
--- a/helix-term/src/ui/completion.rs
+++ b/helix-term/src/ui/completion.rs
@@ -69,14 +69,17 @@ impl menu::Item for CompletionItem {
/// Wraps a Menu.
pub struct Completion {
popup: Popup<Menu<CompletionItem>>,
+ start_offset: usize,
trigger_offset: usize,
// TODO: maintain a completioncontext with trigger kind & trigger char
}
impl Completion {
pub fn new(
+ editor: &Editor,
items: Vec<CompletionItem>,
offset_encoding: helix_lsp::OffsetEncoding,
+ start_offset: usize,
trigger_offset: usize,
) -> Self {
// let items: Vec<CompletionItem> = Vec::new();
@@ -175,16 +178,22 @@ impl Completion {
};
});
let popup = Popup::new(menu);
- Self {
+ let mut completion = Self {
popup,
+ start_offset,
trigger_offset,
- }
+ };
+
+ // need to recompute immediately in case start_offset != trigger_offset
+ completion.recompute_filter(editor);
+
+ completion
}
- pub fn update(&mut self, cx: &mut commands::Context) {
+ pub fn recompute_filter(&mut self, editor: &Editor) {
// recompute menu based on matches
let menu = self.popup.contents_mut();
- let (view, doc) = current!(cx.editor);
+ let (view, doc) = current_ref!(editor);
// cx.hooks()
// cx.add_hook(enum type, ||)
@@ -200,14 +209,18 @@ impl Completion {
.selection(view.id)
.primary()
.cursor(doc.text().slice(..));
- if self.trigger_offset <= cursor {
- let fragment = doc.text().slice(self.trigger_offset..cursor);
+ if self.start_offset <= cursor {
+ let fragment = doc.text().slice(self.start_offset..cursor);
let text = Cow::from(fragment);
// TODO: logic is same as ui/picker
menu.score(&text);
}
}
+ pub fn update(&mut self, cx: &mut commands::Context) {
+ self.recompute_filter(cx.editor)
+ }
+
pub fn is_empty(&self) -> bool {
self.popup.contents().is_empty()
}
diff --git a/helix-term/src/ui/editor.rs b/helix-term/src/ui/editor.rs
index ee3b3c65..fda6a6d3 100644
--- a/helix-term/src/ui/editor.rs
+++ b/helix-term/src/ui/editor.rs
@@ -721,12 +721,15 @@ impl EditorView {
pub fn set_completion(
&mut self,
+ editor: &Editor,
items: Vec<helix_lsp::lsp::CompletionItem>,
offset_encoding: helix_lsp::OffsetEncoding,
+ start_offset: usize,
trigger_offset: usize,
size: Rect,
) {
- let mut completion = Completion::new(items, offset_encoding, trigger_offset);
+ let mut completion =
+ Completion::new(editor, items, offset_encoding, start_offset, trigger_offset);
// TODO : propagate required size on resize to completion too
completion.required_size((size.width, size.height));
self.completion = Some(completion);
diff --git a/helix-view/src/macros.rs b/helix-view/src/macros.rs
index c9a04270..0bebd02f 100644
--- a/helix-view/src/macros.rs
+++ b/helix-view/src/macros.rs
@@ -44,3 +44,19 @@ macro_rules! view {
$( $editor ).+ .tree.get($( $editor ).+ .tree.focus)
}};
}
+
+#[macro_export]
+macro_rules! doc {
+ ( $( $editor:ident ).+ ) => {{
+ $crate::current_ref!( $( $editor ).+ ).1
+ }};
+}
+
+#[macro_export]
+macro_rules! current_ref {
+ ( $( $editor:ident ).+ ) => {{
+ let view = $( $editor ).+ .tree.get($( $editor ).+ .tree.focus);
+ let doc = &$( $editor ).+ .documents[view.doc];
+ (view, doc)
+ }};
+}