feat: popover bubble

dzgui/controllers/emitter.py

@@ -136,6 +136,10 @@ class Emitter(GObject.GObject):
     def api_change_failed(self) -> None:
         pass
 
+    @GObject.Signal(flags=GObject.SignalFlags.RUN_LAST, arg_types=())
+    def already_saved_server(self) -> None:
+        pass
+
     @GObject.Signal(flags=GObject.SignalFlags.RUN_LAST, arg_types=(str,))
     def keyword_set(self, keyword: str) -> None:
         pass

dzgui/controllers/mc.py

@@ -569,6 +569,9 @@ class Controller(GObject.GObject):
     def get_menu(self) -> "MenuTreeView":
         return self.mediator.menu
 
+    def is_in_favs(self) -> bool:
+        return self.config_man.is_in_favs()
+
     def get_config_man(self) -> ConfigManager:
         return self.config_man