diff options
Diffstat (limited to 'helix-term/src/commands.rs')
| -rw-r--r-- | helix-term/src/commands.rs | 259 |
1 files changed, 9 insertions, 250 deletions
diff --git a/helix-term/src/commands.rs b/helix-term/src/commands.rs index 48ceb23b..4df3278b 100644 --- a/helix-term/src/commands.rs +++ b/helix-term/src/commands.rs @@ -5,7 +5,6 @@ pub(crate) mod typed; pub use dap::*; use helix_vcs::Hunk; pub use lsp::*; -use tokio::sync::oneshot; use tui::widgets::Row; pub use typed::*; @@ -33,7 +32,7 @@ use helix_core::{ }; use helix_view::{ document::{FormatterError, Mode, SCRATCH_BUFFER_NAME}, - editor::{Action, CompleteAction}, + editor::Action, info::Info, input::KeyEvent, keyboard::KeyCode, @@ -52,14 +51,10 @@ use crate::{ filter_picker_entry, job::Callback, keymap::ReverseKeymap, - ui::{ - self, editor::InsertEvent, lsp::SignatureHelp, overlay::overlaid, CompletionItem, Picker, - Popup, Prompt, PromptEvent, - }, + ui::{self, overlay::overlaid, Picker, Popup, Prompt, PromptEvent}, }; use crate::job::{self, Jobs}; -use futures_util::{stream::FuturesUnordered, TryStreamExt}; use std::{ collections::{HashMap, HashSet}, fmt, @@ -2593,7 +2588,6 @@ fn delete_by_selection_insert_mode( ); } doc.apply(&transaction, view.id); - lsp::signature_help_impl(cx, SignatureHelpInvoked::Automatic); } fn delete_selection(cx: &mut Context) { @@ -2667,10 +2661,6 @@ fn insert_mode(cx: &mut Context) { .transform(|range| Range::new(range.to(), range.from())); doc.set_selection(view.id, selection); - - // [TODO] temporary workaround until we're not using the idle timer to - // trigger auto completions any more - cx.editor.clear_idle_timer(); } // inserts at the end of each selection @@ -3497,9 +3487,9 @@ fn hunk_range(hunk: Hunk, text: RopeSlice) -> Range { pub mod insert { use crate::events::PostInsertChar; + use super::*; pub type Hook = fn(&Rope, &Selection, char) -> Option<Transaction>; - pub type PostHook = fn(&mut Context, char); /// Exclude the cursor in range. fn exclude_cursor(text: RopeSlice, range: Range, cursor: Range) -> Range { @@ -3513,88 +3503,6 @@ pub mod insert { } } - // It trigger completion when idle timer reaches deadline - // Only trigger completion if the word under cursor is longer than n characters - pub fn idle_completion(cx: &mut Context) { - let config = cx.editor.config(); - let (view, doc) = current!(cx.editor); - let text = doc.text().slice(..); - let cursor = doc.selection(view.id).primary().cursor(text); - - use helix_core::chars::char_is_word; - let mut iter = text.chars_at(cursor); - iter.reverse(); - for _ in 0..config.completion_trigger_len { - match iter.next() { - Some(c) if char_is_word(c) => {} - _ => return, - } - } - super::completion(cx); - } - - fn language_server_completion(cx: &mut Context, ch: char) { - let config = cx.editor.config(); - if !config.auto_completion { - return; - } - - use helix_lsp::lsp; - // if ch matches completion char, trigger completion - let doc = doc_mut!(cx.editor); - let trigger_completion = doc - .language_servers_with_feature(LanguageServerFeature::Completion) - .any(|ls| { - // TODO: what if trigger is multiple chars long - matches!(&ls.capabilities().completion_provider, Some(lsp::CompletionOptions { - trigger_characters: Some(triggers), - .. - }) if triggers.iter().any(|trigger| trigger.contains(ch))) - }); - - if trigger_completion { - cx.editor.clear_idle_timer(); - super::completion(cx); - } - } - - fn signature_help(cx: &mut Context, ch: char) { - use helix_lsp::lsp; - // if ch matches signature_help char, trigger - let doc = doc_mut!(cx.editor); - // TODO support multiple language servers (not just the first that is found), likely by merging UI somehow - let Some(language_server) = doc - .language_servers_with_feature(LanguageServerFeature::SignatureHelp) - .next() - else { - return; - }; - - let capabilities = language_server.capabilities(); - - if let lsp::ServerCapabilities { - signature_help_provider: - Some(lsp::SignatureHelpOptions { - trigger_characters: Some(triggers), - // TODO: retrigger_characters - .. - }), - .. - } = capabilities - { - // TODO: what if trigger is multiple chars long - let is_trigger = triggers.iter().any(|trigger| trigger.contains(ch)); - // lsp doesn't tell us when to close the signature help, so we request - // the help information again after common close triggers which should - // return None, which in turn closes the popup. - let close_triggers = &[')', ';', '.']; - - if is_trigger || close_triggers.contains(&ch) { - super::signature_help_impl(cx, SignatureHelpInvoked::Automatic); - } - } - } - // The default insert hook: simply insert the character #[allow(clippy::unnecessary_wraps)] // need to use Option<> because of the Hook signature fn insert(doc: &Rope, selection: &Selection, ch: char) -> Option<Transaction> { @@ -3624,12 +3532,6 @@ pub mod insert { doc.apply(&t, view.id); } - // TODO: need a post insert hook too for certain triggers (autocomplete, signature help, etc) - // this could also generically look at Transaction, but it's a bit annoying to look at - // Operation instead of Change. - for hook in &[language_server_completion, signature_help] { - hook(cx, c); - } helix_event::dispatch(PostInsertChar { c, cx }); } @@ -3855,8 +3757,6 @@ pub mod insert { }); let (view, doc) = current!(cx.editor); doc.apply(&transaction, view.id); - - lsp::signature_help_impl(cx, SignatureHelpInvoked::Automatic); } pub fn delete_char_forward(cx: &mut Context) { @@ -4510,151 +4410,14 @@ fn remove_primary_selection(cx: &mut Context) { } pub fn completion(cx: &mut Context) { - use helix_lsp::{lsp, util::pos_to_lsp_pos}; - let (view, doc) = current!(cx.editor); + let range = doc.selection(view.id).primary(); + let text = doc.text().slice(..); + let cursor = range.cursor(text); - let savepoint = if let Some(CompleteAction::Selected { savepoint }) = &cx.editor.last_completion - { - savepoint.clone() - } else { - doc.savepoint(view) - }; - - let text = savepoint.text.clone(); - let cursor = savepoint.cursor(); - - let mut seen_language_servers = HashSet::new(); - - let mut futures: FuturesUnordered<_> = doc - .language_servers_with_feature(LanguageServerFeature::Completion) - .filter(|ls| seen_language_servers.insert(ls.id())) - .map(|language_server| { - let language_server_id = language_server.id(); - let offset_encoding = language_server.offset_encoding(); - let pos = pos_to_lsp_pos(&text, cursor, offset_encoding); - let doc_id = doc.identifier(); - let completion_request = language_server.completion(doc_id, pos, None).unwrap(); - - async move { - let json = completion_request.await?; - let response: Option<lsp::CompletionResponse> = serde_json::from_value(json)?; - - let items = match response { - Some(lsp::CompletionResponse::Array(items)) => items, - // TODO: do something with is_incomplete - Some(lsp::CompletionResponse::List(lsp::CompletionList { - is_incomplete: _is_incomplete, - items, - })) => items, - None => Vec::new(), - } - .into_iter() - .map(|item| CompletionItem { - item, - language_server_id, - resolved: false, - }) - .collect(); - - anyhow::Ok(items) - } - }) - .collect(); - - // setup a channel that allows the request to be canceled - let (tx, rx) = oneshot::channel(); - // set completion_request so that this request can be canceled - // by setting completion_request, the old channel stored there is dropped - // and the associated request is automatically dropped - cx.editor.completion_request_handle = Some(tx); - let future = async move { - let items_future = async move { - let mut items = Vec::new(); - // TODO if one completion request errors, all other completion requests are discarded (even if they're valid) - while let Some(mut lsp_items) = futures.try_next().await? { - items.append(&mut lsp_items); - } - anyhow::Ok(items) - }; - tokio::select! { - biased; - _ = rx => { - Ok(Vec::new()) - } - res = items_future => { - res - } - } - }; - - 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); - - let trigger_doc = doc.id(); - let trigger_view = view.id; - - // FIXME: The commands Context can only have a single callback - // which means it gets overwritten when executing keybindings - // with multiple commands or macros. This would mean that completion - // might be incorrectly applied when repeating the insertmode action - // - // TODO: to solve this either make cx.callback a Vec of callbacks or - // alternatively move `last_insert` to `helix_view::Editor` - cx.callback = Some(Box::new( - move |compositor: &mut Compositor, _cx: &mut compositor::Context| { - let ui = compositor.find::<ui::EditorView>().unwrap(); - ui.last_insert.1.push(InsertEvent::RequestCompletion); - }, - )); - - cx.jobs.callback(async move { - let items = future.await?; - let call = move |editor: &mut Editor, compositor: &mut Compositor| { - let (view, doc) = current_ref!(editor); - // check if the completion request is stale. - // - // Completions are completed asynchronously and therefore the user could - //switch document/view or leave insert mode. In all of thoise cases the - // completion should be discarded - if editor.mode != Mode::Insert || view.id != trigger_view || doc.id() != trigger_doc { - return; - } - - if items.is_empty() { - // editor.set_error("No completion available"); - return; - } - let size = compositor.size(); - let ui = compositor.find::<ui::EditorView>().unwrap(); - let completion_area = ui.set_completion( - editor, - savepoint, - items, - start_offset, - trigger_offset, - size, - ); - let size = compositor.size(); - let signature_help_area = compositor - .find_id::<Popup<SignatureHelp>>(SignatureHelp::ID) - .map(|signature_help| signature_help.area(size, editor)); - // Delete the signature help popup if they intersect. - if matches!((completion_area, signature_help_area),(Some(a), Some(b)) if a.intersects(b)) - { - compositor.remove(SignatureHelp::ID); - } - }; - Ok(Callback::EditorCompositor(Box::new(call))) - }); + cx.editor + .handlers + .trigger_completions(cursor, doc.id(), view.id); } // comments @@ -4833,10 +4596,6 @@ fn move_node_bound_impl(cx: &mut Context, dir: Direction, movement: Movement) { ); doc.set_selection(view.id, selection); - - // [TODO] temporary workaround until we're not using the idle timer to - // trigger auto completions any more - editor.clear_idle_timer(); } }; |