Fixed deadlock when inserting snippets when using autocomplete keys

src/source_generic.cpp

@@ -234,15 +234,17 @@ void Source::GenericView::setup_autocomplete() {
           }
         }
       }
-      LockGuard lock(snippets_mutex);
+      if(snippets_mutex.try_lock()) { // To avoid deadlock when inserting snippets
-      if(snippets) {
+        if(snippets) {
-        for(auto &snippet : *snippets) {
+          for(auto &snippet : *snippets) {
-          if(starts_with(snippet.prefix, prefix)) {
+            if(starts_with(snippet.prefix, prefix)) {
-            autocomplete.rows.emplace_back(snippet.prefix);
+              autocomplete.rows.emplace_back(snippet.prefix);
-            autocomplete_insert.emplace_back(snippet.body);
+              autocomplete_insert.emplace_back(snippet.body);
-            autocomplete_comment.emplace_back(snippet.description);
+              autocomplete_comment.emplace_back(snippet.description);
+            }
           }
         }
+        snippets_mutex.unlock();
       }
     }
     return true;