diff --git a/ui/main.slint b/ui/main.slint
index db68f9d..5ced6b5 100644
--- a/ui/main.slint
+++ b/ui/main.slint
@@ -26,6 +26,14 @@ export component MainWindow inherits Window {
         background: black;
     }
 
+    Rectangle {
+        x: 0;
+        y: 0;
+        width: parent.width / 2;
+        height: parent.height;
+        background: black;
+    }
+
     TouchArea {
         x: 0;
         y: 5px;