Adding data_change to use to signal to Screenful that save button nedds a litle star

src/message/translation_edit.py

@@ -12,8 +12,13 @@ def get_translation_location(entry, translation):
                 if search_translation == translation:
                     return (si, ci, ti), (sense, cluster)
                 
+                
+class TranslationEditMessage(ClickMessage):
+    def data_change(self):
+        return True
+    
         
-class EditTranslation(ClickMessage):
+class EditTranslation(TranslationEditMessage):
     def update_model(self, model):
         self.translation = self.get_arg(0, Translation)
         self.old_cluster_idx = self.get_arg(1, int)
@@ -60,7 +65,7 @@ class EditTranslation(ClickMessage):
             sense.translations.splice(cidx, 1)
             
 
-class MoveRight(ClickMessage):
+class MoveRight(TranslationEditMessage):
     def update_model(self, model):
         translation = self.get_arg(0, Translation)
         (_, _, idx), (_, cluster) = get_translation_location(model.entry, translation)
@@ -69,7 +74,7 @@ class MoveRight(ClickMessage):
         model.translation = None
         
         
-class MoveLeft(ClickMessage):
+class MoveLeft(TranslationEditMessage):
     def update_model(self, model):
         translation = self.get_arg(0, Translation)
         (_, _, idx), (_, cluster) = get_translation_location(model.entry, translation)
@@ -78,7 +83,7 @@ class MoveLeft(ClickMessage):
         model.translation = None
         
         
-class BinTranslation(ClickMessage):
+class BinTranslation(TranslationEditMessage):
     def update_model(self, model):
         translation = self.get_arg(0, Translation)
         (_, cidx, tidx), (sense, cluster) = get_translation_location(model.entry, translation)
@@ -90,7 +95,7 @@ class BinTranslation(ClickMessage):
         model.translation = None
         
 
-class AddTranslation(EditTranslation):
+class AddTranslation(TranslationEditMessage):
     def handle_cluster_change(self, new_cluster_idx, _):
         # we need to cheat here
         # sense was actually given in constructor in third place