refactor completion and signature help using hooks

1 files changed, 9 insertions, 50 deletions

diff --git a/helix-term/src/ui/editor.rs b/helix-term/src/ui/editor.rs
index 9f186d14..fef62a29 100644
--- a/helix-term/src/ui/editor.rs
+++ b/helix-term/src/ui/editor.rs
@@ -1,7 +1,6 @@
 use crate::{
     commands::{self, OnKeyCallback},
     compositor::{Component, Context, Event, EventResult},
-    job::{self, Callback},
     events::{OnModeSwitch, PostCommand},
     key,
     keymap::{KeymapResult, Keymaps},
@@ -34,8 +33,8 @@ use std::{mem::take, num::NonZeroUsize, path::PathBuf, rc::Rc, sync::Arc};
 
 use tui::{buffer::Buffer as Surface, text::Span};
 
+use super::document::LineDecoration;
 use super::{completion::CompletionItem, statusline};
-use super::{document::LineDecoration, lsp::SignatureHelp};
 
 pub struct EditorView {
     pub keymaps: Keymaps,
@@ -837,11 +836,8 @@ impl EditorView {
         let mut execute_command = |command: &commands::MappableCommand| {
             command.execute(cxt);
             helix_event::dispatch(PostCommand { command, cx: cxt });
+
             let current_mode = cxt.editor.mode();
-            match (last_mode, current_mode) {
-                (Mode::Normal, Mode::Insert) => {
-                    // HAXX: if we just entered insert mode from normal, clear key buf
-                    // and record the command that got us into this mode.
             if current_mode != last_mode {
                 helix_event::dispatch(OnModeSwitch {
                     old_mode: last_mode,
@@ -849,29 +845,16 @@ impl EditorView {
                     cx: cxt,
                 });
 
+                // HAXX: if we just entered insert mode from normal, clear key buf
+                // and record the command that got us into this mode.
+                if current_mode == Mode::Insert {
                     // how we entered insert mode is important, and we should track that so
                     // we can repeat the side effect.
                     self.last_insert.0 = command.clone();
                     self.last_insert.1.clear();
-
-                    commands::signature_help_impl(cxt, commands::SignatureHelpInvoked::Automatic);
-                }
-                (Mode::Insert, Mode::Normal) => {
-                    // if exiting insert mode, remove completion
-                    self.clear_completion(cxt.editor);
-                    cxt.editor.completion_request_handle = None;
-
-                    // TODO: Use an on_mode_change hook to remove signature help
-                    cxt.jobs.callback(async {
-                        let call: job::Callback =
-                            Callback::EditorCompositor(Box::new(|_editor, compositor| {
-                                compositor.remove(SignatureHelp::ID);
-                            }));
-                        Ok(call)
-                    });
                 }
-                _ => (),
             }
+
             last_mode = current_mode;
         };
 
@@ -999,12 +982,10 @@ impl EditorView {
         editor: &mut Editor,
         savepoint: Arc<SavePoint>,
         items: Vec<CompletionItem>,
-        start_offset: usize,
         trigger_offset: usize,
         size: Rect,
     ) -> Option<Rect> {
-        let mut completion =
-            Completion::new(editor, savepoint, items, start_offset, trigger_offset);
+        let mut completion = Completion::new(editor, savepoint, items, trigger_offset);
 
         if completion.is_empty() {
             // skip if we got no completion results
@@ -1025,6 +1006,7 @@ impl EditorView {
         self.completion = None;
         if let Some(last_completion) = editor.last_completion.take() {
             match last_completion {
+                CompleteAction::Triggered => (),
                 CompleteAction::Applied {
                     trigger_offset,
                     changes,
@@ -1038,9 +1020,6 @@ impl EditorView {
                 }
             }
         }
-
-        // Clear any savepoints
-        editor.clear_idle_timer(); // don't retrigger
     }
 
     pub fn handle_idle_timeout(&mut self, cx: &mut commands::Context) -> EventResult {
@@ -1054,13 +1033,7 @@ impl EditorView {
             };
         }
 
-        if cx.editor.mode != Mode::Insert || !cx.editor.config().auto_completion {
-            return EventResult::Ignored(None);
-        }
-
-        crate::commands::insert::idle_completion(cx);
-
-        EventResult::Consumed(None)
+        EventResult::Ignored(None)
     }
 }
 
@@ -1346,12 +1319,6 @@ impl Component for EditorView {
                                     if callback.is_some() {
                                         // assume close_fn
                                         self.clear_completion(cx.editor);
-
-                                        // In case the popup was deleted because of an intersection w/ the auto-complete menu.
-                                        commands::signature_help_impl(
-                                            &mut cx,
-                                            commands::SignatureHelpInvoked::Automatic,
-                                        );
                                     }
                                 }
                             }
@@ -1362,14 +1329,6 @@ impl Component for EditorView {
 
                                 // record last_insert key
                                 self.last_insert.1.push(InsertEvent::Key(key));
-
-                                // lastly we recalculate completion
-                                if let Some(completion) = &mut self.completion {
-                                    completion.update(&mut cx);
-                                    if completion.is_empty() {
-                                        self.clear_completion(cx.editor);
-                                    }
-                                }
                             }
                         }
                         mode => self.command_mode(mode, &mut cx, key),