diff options
Diffstat (limited to 'helix-term/src/commands/lsp.rs')
| -rw-r--r-- | helix-term/src/commands/lsp.rs | 156 |
1 files changed, 8 insertions, 148 deletions
diff --git a/helix-term/src/commands/lsp.rs b/helix-term/src/commands/lsp.rs index 051cdcd3..de2f0e5e 100644 --- a/helix-term/src/commands/lsp.rs +++ b/helix-term/src/commands/lsp.rs @@ -1,4 +1,4 @@ -use futures_util::{future::BoxFuture, stream::FuturesUnordered, FutureExt}; +use futures_util::{stream::FuturesUnordered, FutureExt}; use helix_lsp::{ block_on, lsp::{ @@ -8,21 +8,21 @@ use helix_lsp::{ util::{diagnostic_to_lsp_diagnostic, lsp_range_to_range, range_to_lsp_range}, Client, OffsetEncoding, }; -use serde_json::Value; use tokio_stream::StreamExt; use tui::{ text::{Span, Spans}, widgets::Row, }; -use super::{align_view, push_jump, Align, Context, Editor, Open}; +use super::{align_view, push_jump, Align, Context, Editor}; use helix_core::{syntax::LanguageServerFeature, text_annotations::InlineAnnotation, Selection}; use helix_stdx::path; use helix_view::{ - document::{DocumentInlayHints, DocumentInlayHintsId, Mode}, + document::{DocumentInlayHints, DocumentInlayHintsId}, editor::Action, graphics::Margin, + handlers::lsp::SignatureHelpInvoked, theme::Style, Document, View, }; @@ -30,10 +30,7 @@ use helix_view::{ use crate::{ compositor::{self, Compositor}, job::Callback, - ui::{ - self, lsp::SignatureHelp, overlay::overlaid, DynamicPicker, FileLocation, Picker, Popup, - PromptEvent, - }, + ui::{self, overlay::overlaid, DynamicPicker, FileLocation, Picker, Popup, PromptEvent}, }; use std::{ @@ -42,7 +39,6 @@ use std::{ fmt::Write, future::Future, path::PathBuf, - sync::Arc, }; /// Gets the first language server that is attached to a document which supports a specific feature. @@ -1132,146 +1128,10 @@ pub fn goto_reference(cx: &mut Context) { ); } -#[derive(PartialEq, Eq, Clone, Copy)] -pub enum SignatureHelpInvoked { - Manual, - Automatic, -} - pub fn signature_help(cx: &mut Context) { - signature_help_impl(cx, SignatureHelpInvoked::Manual) -} - -pub fn signature_help_impl(cx: &mut Context, invoked: SignatureHelpInvoked) { - let (view, doc) = current!(cx.editor); - - // TODO merge multiple language server signature help into one instead of just taking the first language server that supports it - let future = doc - .language_servers_with_feature(LanguageServerFeature::SignatureHelp) - .find_map(|language_server| { - let pos = doc.position(view.id, language_server.offset_encoding()); - language_server.text_document_signature_help(doc.identifier(), pos, None) - }); - - let Some(future) = future else { - // Do not show the message if signature help was invoked - // automatically on backspace, trigger characters, etc. - if invoked == SignatureHelpInvoked::Manual { - cx.editor - .set_error("No configured language server supports signature-help"); - } - return; - }; - signature_help_impl_with_future(cx, future.boxed(), invoked); -} - -pub fn signature_help_impl_with_future( - cx: &mut Context, - future: BoxFuture<'static, helix_lsp::Result<Value>>, - invoked: SignatureHelpInvoked, -) { - cx.callback( - future, - move |editor, compositor, response: Option<lsp::SignatureHelp>| { - let config = &editor.config(); - - if !(config.lsp.auto_signature_help - || SignatureHelp::visible_popup(compositor).is_some() - || invoked == SignatureHelpInvoked::Manual) - { - return; - } - - // If the signature help invocation is automatic, don't show it outside of Insert Mode: - // it very probably means the server was a little slow to respond and the user has - // already moved on to something else, making a signature help popup will just be an - // annoyance, see https://github.com/helix-editor/helix/issues/3112 - if invoked == SignatureHelpInvoked::Automatic && editor.mode != Mode::Insert { - return; - } - - let response = match response { - // According to the spec the response should be None if there - // are no signatures, but some servers don't follow this. - Some(s) if !s.signatures.is_empty() => s, - _ => { - compositor.remove(SignatureHelp::ID); - return; - } - }; - let doc = doc!(editor); - let language = doc.language_name().unwrap_or(""); - - let signature = match response - .signatures - .get(response.active_signature.unwrap_or(0) as usize) - { - Some(s) => s, - None => return, - }; - let mut contents = SignatureHelp::new( - signature.label.clone(), - language.to_string(), - Arc::clone(&editor.syn_loader), - ); - - let signature_doc = if config.lsp.display_signature_help_docs { - signature.documentation.as_ref().map(|doc| match doc { - lsp::Documentation::String(s) => s.clone(), - lsp::Documentation::MarkupContent(markup) => markup.value.clone(), - }) - } else { - None - }; - - contents.set_signature_doc(signature_doc); - - let active_param_range = || -> Option<(usize, usize)> { - let param_idx = signature - .active_parameter - .or(response.active_parameter) - .unwrap_or(0) as usize; - let param = signature.parameters.as_ref()?.get(param_idx)?; - match ¶m.label { - lsp::ParameterLabel::Simple(string) => { - let start = signature.label.find(string.as_str())?; - Some((start, start + string.len())) - } - lsp::ParameterLabel::LabelOffsets([start, end]) => { - // LS sends offsets based on utf-16 based string representation - // but highlighting in helix is done using byte offset. - use helix_core::str_utils::char_to_byte_idx; - let from = char_to_byte_idx(&signature.label, *start as usize); - let to = char_to_byte_idx(&signature.label, *end as usize); - Some((from, to)) - } - } - }; - contents.set_active_param_range(active_param_range()); - - let old_popup = compositor.find_id::<Popup<SignatureHelp>>(SignatureHelp::ID); - let mut popup = Popup::new(SignatureHelp::ID, contents) - .position(old_popup.and_then(|p| p.get_position())) - .position_bias(Open::Above) - .ignore_escape_key(true); - - // Don't create a popup if it intersects the auto-complete menu. - let size = compositor.size(); - if compositor - .find::<ui::EditorView>() - .unwrap() - .completion - .as_mut() - .map(|completion| completion.area(size, editor)) - .filter(|area| area.intersects(popup.area(size, editor))) - .is_some() - { - return; - } - - compositor.replace_or_push(SignatureHelp::ID, popup); - }, - ); + cx.editor + .handlers + .trigger_signature_help(SignatureHelpInvoked::Manual, cx.editor) } pub fn hover(cx: &mut Context) { |