feat: attempt at getting config option to disable diagnostics working

helix-term/src/handlers/diagnostics.rs

@@ -17,7 +17,9 @@ pub(super) fn register_hooks(_handlers: &Handlers) {
     });
     register_hook!(move |event: &mut OnModeSwitch<'_, '_>| {
         for (view, _) in event.cx.editor.tree.views_mut() {
-            view.diagnostics_handler.active = event.new_mode != Mode::Insert;
+            view.diagnostics_handler
+                .active
+                .set(event.new_mode != Mode::Insert);
         }
         Ok(())
     });

helix-term/src/ui/editor.rs

@@ -191,7 +191,11 @@ impl EditorView {
         }
         let config = doc.config.load();
 
-        if editor.config().enable_diagnostics {
+        // view.diagnostics_handler
+        //     .active
+        //     .set(config.enable_diagnostics);
+
+        if config.enable_diagnostics {
             let width = view.inner_width(doc);
             let enable_cursor_line = view
                 .diagnostics_handler
@@ -235,7 +239,7 @@ impl EditorView {
 
         if config.inline_diagnostics.disabled()
             && config.end_of_line_diagnostics == DiagnosticFilter::Disable
-            && editor.config().enable_diagnostics
+            && config.enable_diagnostics
         {
             Self::render_diagnostics(doc, view, inner, surface, theme);
         }

helix-view/src/editor.rs

@@ -1649,18 +1649,15 @@ impl Editor {
             }
             Action::HorizontalSplit | Action::VerticalSplit => {
                 // copy the current view, unless there is no view yet
+                let config = self.config();
+                let gutters = config.gutters.clone();
+                let enable_diagnostics = config.enable_diagnostics;
                 let view = self
                     .tree
                     .try_get(self.tree.focus)
                     .filter(|v| id == v.doc) // Different Document
                     .cloned()
-                    .unwrap_or_else(|| {
-                        View::new(
-                            id,
-                            self.config().gutters.clone(),
-                            self.config().enable_diagnostics,
-                        )
-                    });
+                    .unwrap_or_else(|| View::new(id, gutters, enable_diagnostics));
                 let view_id = self.tree.split(
                     view,
                     match action {

helix-view/src/handlers/diagnostics.rs

@@ -59,7 +59,7 @@ pub struct DiagnosticsHandler {
     generation: Cell<usize>,
     last_doc: Cell<DocumentId>,
     last_cursor_line: Cell<usize>,
-    pub active: bool,
+    pub active: Cell<bool>,
     pub events: Sender<DiagnosticEvent>,
 }
 
@@ -69,7 +69,7 @@ pub struct DiagnosticsHandler {
 // but to fix that larger architecutre changes are needed
 impl Clone for DiagnosticsHandler {
     fn clone(&self) -> Self {
-        Self::new(self.active)
+        Self::new(self.active.take())
     }
 }
 
@@ -88,7 +88,7 @@ impl DiagnosticsHandler {
             events,
             last_doc: Cell::new(DocumentId(NonZeroUsize::new(usize::MAX).unwrap())),
             last_cursor_line: Cell::new(usize::MAX),
-            active: enable_diagnostics,
+            active: true,
         }
     }
 }
@@ -106,7 +106,7 @@ impl DiagnosticsHandler {
     }
 
     pub fn show_cursorline_diagnostics(&self, doc: &Document, view: ViewId) -> bool {
-        if !self.active {
+        if !self.active.take() {
             return false;
         }
         let cursor_line = doc