Add a new blank "queries" panel (#2412)

extensions/ql-vscode/package.json

@@ -36,6 +36,7 @@
   "activationEvents": [
     "onLanguage:ql",
     "onLanguage:ql-summary",
+    "onView:codeQLQueries",
     "onView:codeQLDatabases",
     "onView:codeQLVariantAnalysisRepositories",
     "onView:codeQLQueryHistory",
@@ -1555,6 +1556,11 @@
     },
     "views": {
       "ql-container": [
+        {
+          "id": "codeQLQueries",
+          "name": "Queries",
+          "when": "config.codeQL.canary && config.codeQL.queriesPanel"
+        },
         {
           "id": "codeQLDatabases",
           "name": "Databases"

extensions/ql-vscode/src/config.ts

@@ -702,3 +702,12 @@ export function getAutogenerateQlPacks(): AutogenerateQLPacks {
 export async function setAutogenerateQlPacks(choice: AutogenerateQLPacks) {
   await AUTOGENERATE_QL_PACKS.updateValue(choice, ConfigurationTarget.Global);
 }
+
+/**
+ * A flag indicating whether to show the queries panel in the QL view container.
+ */
+const QUERIES_PANEL = new Setting("queriesPanel", ROOT_SETTING);
+
+export function showQueriesPanel(): boolean {
+  return !!QUERIES_PANEL.getValue<boolean>();
+}