Finished refactoring menu showing, now also sense editing works!

src/message/show_menu.py

@@ -0,0 +1,24 @@
+from model import Translation, Sense
+from message.simple_messages import ClickMessage
+
+
+class ShowMenu(ClickMessage):
+    def on_event(self, event):
+        location_x = event.currentTarget.offsetLeft
+        location_y = event.currentTarget.offsetTop + event.currentTarget.offsetHeight
+        self.menu_location = (location_x, location_y)
+        super().on_event(event)
+
+
+class ShowTranslationMenu(ShowMenu):
+    def update_model(self, model):
+        model.menu_location = self.menu_location
+        model.translation = self.get_arg(0, Translation)
+        model.menu_target = model.translation
+
+
+class ShowSenseMenu(ShowMenu):
+    def update_model(self, model):
+        model.menu_location = self.menu_location
+        sense = self.get_arg(0, Sense)
+        model.menu_target = sense