From 6b79745aa46d7f240b5f671a9716b3231e707457 Mon Sep 17 00:00:00 2001
From: Andreas Kling <kling@serenityos.org>
Date: Wed, 24 Nov 2021 13:11:09 +0100
Subject: [PATCH] LibGUI: Add GUI::Widget::try_set_layout<T>(...)

This is a fallible variant of set_layout<T>(...) that returns ErrorOr.
---
 Userland/Libraries/LibGUI/Widget.h | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Userland/Libraries/LibGUI/Widget.h b/Userland/Libraries/LibGUI/Widget.h
index ba27266ce4..d8074de3f5 100644
--- a/Userland/Libraries/LibGUI/Widget.h
+++ b/Userland/Libraries/LibGUI/Widget.h
@@ -61,6 +61,14 @@ public:
     const Layout* layout() const { return m_layout.ptr(); }
     void set_layout(NonnullRefPtr<Layout>);
 
+    template<class T, class... Args>
+    ErrorOr<NonnullRefPtr<T>> try_set_layout(Args&&... args)
+    {
+        auto layout = TRY(T::try_create(forward<Args>(args)...));
+        set_layout(*layout);
+        return layout;
+    }
+
     template<class T, class... Args>
     inline T& set_layout(Args&&... args)
     {