diff --git a/src/ags.src.gresource.xml b/src/ags.src.gresource.xml
index a119523..15c97d6 100644
--- a/src/ags.src.gresource.xml
+++ b/src/ags.src.gresource.xml
@@ -8,6 +8,11 @@
     <file>widgets.js</file>
     <file>window.js</file>
 
+    <file>widgets/shared.js</file>
+    <file>widgets/box.js</file>
+    <file>widgets/eventbox.js</file>
+    <file>widgets/centerbox.js</file>
+
     <file>service/service.js</file>
     <file>service/apps.js</file>
     <file>service/audio.js</file>
diff --git a/src/utils.ts b/src/utils.ts
index ee53339..45e3a6b 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -163,6 +163,9 @@ export function timeout(ms: number, callback: () => void) {
 }
 
 export function runCmd(cmd: string | ((...args: any[]) => void), ...args: any[]) {
+    if (typeof cmd !== 'string' && typeof cmd !== 'function')
+        return warning('Command has to be string or function');
+
     if (!cmd)
         return;
 
diff --git a/src/widget.ts b/src/widget.ts
index ba3cf9b..ee2a3a5 100644
--- a/src/widget.ts
+++ b/src/widget.ts
@@ -1,6 +1,9 @@
 import Gtk from 'gi://Gtk?version=3.0';
 import { typecheck, error, warning, interval } from './utils.js';
 import * as Widgets from './widgets.js';
+import Box from './widgets/box.js';
+import EventBox from './widgets/eventbox.js';
+import CenterBox from './widgets/centerbox.js';
 
 interface ServiceAPI {
     instance: {
@@ -190,3 +193,6 @@ export default function Widget(params: Widget | string | (() => Gtk.Widget) | Gt
 }
 
 Widget.widgets = widgets;
+Widget.Box = Box;
+Widget.EventBox = EventBox;
+Widget.CenterBox = CenterBox;
diff --git a/tsconfig.json b/tsconfig.json
index 63d7df7..d12215a 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -1,30 +1,33 @@
 {
-  "compilerOptions": {
-    "target": "es2022",
-    "module": "ES2020",
-    "lib": [ "ES2017" ],
-    "allowJs": true,
-    "checkJs": false,
-    "outDir": "_build/tsc-out",
-    "strict": true,
-    "moduleResolution": "node",
-    "baseUrl": ".",
-    "paths": {
-      "*": [
-        "*",
-        "types/*",
-        "gi-types/*"
-      ]
+    "compilerOptions": {
+        "target": "es2022",
+        "module": "ES2020",
+        "lib": [
+            "ES2017"
+        ],
+        "allowJs": true,
+        "checkJs": false,
+        "outDir": "_build/tsc-out",
+        "strict": true,
+        "moduleResolution": "node",
+        "baseUrl": ".",
+        "paths": {
+            "*": [
+                "*",
+                "types/*",
+                "gi-types/*"
+            ]
+        },
+        "typeRoots": [
+            "gi-types"
+        ],
+        "skipLibCheck": true,
+        "forceConsistentCasingInFileNames": true
     },
-    "typeRoots": [
-      "gi-types"
-    ],
-    "skipLibCheck": true,
-    "forceConsistentCasingInFileNames": true
-  },
-  "include": [
-    "gi-types/gi.d.ts",
-    "types/*",
-    "src/*"
-  ]
+    "include": [
+        "gi-types/gi.d.ts",
+        "types/*",
+        "src/*",
+        "src/*/*"
+    ]
 }