1 files changed, 14 insertions, 0 deletions

diff --git a/editors/code/src/events/change_active_text_editor.ts b/editors/code/src/events/change_active_text_editor.ts
new file mode 100644
index 000000000..3440aa0c3
--- /dev/null
+++ b/editors/code/src/events/change_active_text_editor.ts
@@ -0,0 +1,14 @@
+import { TextEditor } from 'vscode';
+import { TextDocumentIdentifier } from 'vscode-languageclient';
+
+import { Decoration } from '../highlighting';
+import { Server } from '../server';
+
+export async function handle(editor: TextEditor | undefined) {
+    if (!Server.config.highlightingOn || !editor || editor.document.languageId !== 'rust') { return; }
+    const params: TextDocumentIdentifier = {
+        uri: editor.document.uri.toString(),
+    };
+    const decorations = await Server.client.sendRequest<Decoration[]>('m/decorationsRequest', params);
+    Server.highlighter.setHighlights(editor, decorations);
+}