minor fixes

gui/qt/__init__.py

@@ -139,7 +139,7 @@ class ElectrumGui:
         # Use a signal as can be called from daemon thread
         self.app.emit(SIGNAL('new_window'), path, uri)
 
-    def show_network_dialog(self):
+    def show_network_dialog(self, parent):
         from network_dialog import NetworkDialog
         if not self.daemon.network:
             parent.show_warning(_('You are using Electrum in offline mode; restart Electrum if you want to get connected'), title=_('Offline'))

gui/qt/main_window.py

@@ -478,7 +478,7 @@ class ElectrumWindow(QMainWindow, MessageBoxMixin, PrintError):
 
         # Settings / Preferences are all reserved keywords in OSX using this as work around
         tools_menu.addAction(_("Electrum preferences") if sys.platform == 'darwin' else _("Preferences"), self.settings_dialog)
-        tools_menu.addAction(_("&Network"), self.gui_object.show_network_dialog)
+        tools_menu.addAction(_("&Network"), lambda: self.gui_object.show_network_dialog(self))
         tools_menu.addAction(_("&Plugins"), self.plugins_dialog)
         tools_menu.addSeparator()
         tools_menu.addAction(_("&Sign/verify message"), self.sign_verify_message)
@@ -1728,7 +1728,7 @@ class ElectrumWindow(QMainWindow, MessageBoxMixin, PrintError):
         sb.addPermanentWidget(StatusBarButton(QIcon(":icons/preferences.png"), _("Preferences"), self.settings_dialog ) )
         self.seed_button = StatusBarButton(QIcon(":icons/seed.png"), _("Seed"), self.show_seed_dialog )
         sb.addPermanentWidget(self.seed_button)
-        self.status_button = StatusBarButton(QIcon(":icons/status_disconnected.png"), _("Network"), self.gui_object.show_network_dialog)
+        self.status_button = StatusBarButton(QIcon(":icons/status_disconnected.png"), _("Network"), lambda: self.gui_object.show_network_dialog(self))
         sb.addPermanentWidget(self.status_button)
         run_hook('create_status_bar', sb)
         self.setStatusBar(sb)

gui/qt/network_dialog.py

@@ -342,7 +342,8 @@ class NetworkChoiceLayout(object):
         self.ssl_cb.setChecked(protocol=='s')
         self.autoconnect_cb.setChecked(auto_connect)
 
-        self.server_label.setText(self.network.interface.host)
+        host = self.network.interface.host if self.network.interface else _('None')
+        self.server_label.setText(host)
 
         self.set_protocol(protocol)
         self.servers = self.network.get_servers()