Btw Antora valo ache bhai??

ui/MenuButton.py

@@ -0,0 +1,45 @@
+import gi
+
+gi.require_version("Gtk", "4.0")
+from gi.repository import Gtk
+
+# Gtk.Builder xml for the application menu
+APP_MENU = """
+<?xml version="1.0" encoding="UTF-8"?>
+<interface>
+<menu id='app-menu'>
+  <section>
+    <item>
+      <attribute name='label' translatable='yes'>_About</attribute>
+      <attribute name='action'>win.about</attribute>
+    </item>
+    <item>
+      <attribute name='label' translatable='yes'>_Settings</attribute>
+      <attribute name='action'>win.settings</attribute>
+    </item>
+    <item>
+      <attribute name='label' translatable='yes'>_Refresh</attribute>
+      <attribute name='action'>win.refresh</attribute>
+    </item>
+    <item>
+      <attribute name='label' translatable='yes'>_Quit</attribute>
+      <attribute name='action'>win.quit</attribute>
+    </item>
+  </section>
+</menu>
+</interface>
+"""
+
+
+class MenuButton(Gtk.MenuButton):
+    """
+    Wrapper class for at Gtk.Menubutton with a menu defined
+    in a Gtk.Builder xml string
+    """
+
+    def __init__(self, icon_name="open-menu-symbolic"):
+        super(MenuButton, self).__init__()
+        builder = Gtk.Builder.new_from_string(APP_MENU, -1)
+        menu = builder.get_object("app-menu")
+        self.set_menu_model(menu)
+        self.set_icon_name(icon_name)