kivy: receive to ln invoice should be disabled if lightning is disabled

electrum/gui/kivy/main_window.py

@@ -321,7 +321,6 @@ class ElectrumWindow(App):
 
         App.__init__(self)#, **kwargs)
 
-        title = _('Electrum App')
         self.electrum_config = config = kwargs.get('config', None)  # type: SimpleConfig
         self.language = config.get('language', 'en')
         self.network = network = kwargs.get('network', None)  # type: Network
@@ -341,6 +340,8 @@ class ElectrumWindow(App):
         self.daemon = self.gui_object.daemon
         self.fx = self.daemon.fx
 
+        self.is_lightning_enabled = bool(config.get('lightning'))
+
         self.use_rbf = config.get('use_rbf', True)
         self.use_unconfirmed = not config.get('confirmed_only', False)
 

electrum/gui/kivy/uix/ui_screens/receive.kv

@@ -91,7 +91,7 @@ ReceiveScreen:
                     id: address_label
                     text: _('Lightning') if root.is_lightning else (s.address if s.address else _('Bitcoin Address'))
                     shorten: True
-                    on_release: root.is_lightning = not root.is_lightning
+                    on_release: root.is_lightning = not root.is_lightning if app.is_lightning_enabled else False
             CardSeparator:
                 opacity: message_selection.opacity
                 color: blue_bottom.foreground_color