2 files changed, 11 insertions, 1 deletions
diff --git a/Userland/Libraries/LibGUI/Window.cpp b/Userland/Libraries/LibGUI/Window.cpp
index 7ba7de901d..92ebd89e2f 100644
--- a/Userland/Libraries/LibGUI/Window.cpp
+++ b/Userland/Libraries/LibGUI/Window.cpp
@@ -871,6 +871,16 @@ void Window::set_fullscreen(bool fullscreen)
     WindowServerConnection::the().send_sync<Messages::WindowServer::SetFullscreen>(m_window_id, fullscreen);
 }
 
+void Window::set_frameless(bool frameless)
+{
+    if (m_frameless == frameless)
+        return;
+    m_frameless = frameless;
+    if (!is_visible())
+        return;
+    WindowServerConnection::the().send_sync<Messages::WindowServer::SetFrameless>(m_window_id, frameless);
+}
+
 bool Window::is_maximized() const
 {
     if (!is_visible())
diff --git a/Userland/Libraries/LibGUI/Window.h b/Userland/Libraries/LibGUI/Window.h
index 50843e5d78..516a07b100 100644
--- a/Userland/Libraries/LibGUI/Window.h
+++ b/Userland/Libraries/LibGUI/Window.h
@@ -58,7 +58,7 @@ public:
     bool is_maximized() const;
 
     bool is_frameless() const { return m_frameless; }
-    void set_frameless(bool frameless) { m_frameless = frameless; }
+    void set_frameless(bool);
 
     bool is_resizable() const { return m_resizable; }
     void set_resizable(bool resizable) { m_resizable = resizable; }