rework of update mechanism and noaction message support for faster clicks on modal

src/message/__init__.py

@@ -1,4 +1,4 @@
-from message.simple_messages import NoReset, Reset, ModalNotOkClose, ClickMessage, DataChgClickMessage, KeyboardPress
+from message.simple_messages import NoReset, Reset, ModalNotOkClose, ClickMessage, DataChgClickMessage, KeyboardPress, NoAction
 from message.translation_edit import EditTranslation, MoveRight, MoveLeft, BinTranslation
 from message.show_messages import ShowEntryLabelsEdit, ShowEditTranslation, ShowSenseLabelEdit, ShowSenseDefinitionEdit, ShowCommentEdit, ShowAddTranslation, ShowExampleEdit, ShowVariantsEdit, ShowRelatedEntriesEdit
 from message.simple_edits import EditSenseLabel, EditSenseDefinition, EditComment, AddSenseLabel, AddSense, AddExampleTranslation, DoChosenExamples, AddToLabelList, AddToGenericList, EditVariants, EditRelatedEntries, EditEntryLabels, ExampleClusterEdit, ExampleClusterAdd

src/message/message.py

@@ -39,6 +39,9 @@ class Message:
     
     def clear_args(self):
         self._args = []
+    
+    def no_action(self):
+        return False
         
 
 def msg(message_class, *params):
@@ -49,5 +52,5 @@ def msg(message_class, *params):
             return
         
         message.on_event(event)
-        update.schedule(message)
+        update.update_model(message)
     return callback

src/message/simple_messages.py

@@ -28,6 +28,11 @@ class NoReset(Reset):
         return False
     
     
+class NoAction(NoReset):
+    def no_action(self):
+        return True
+    
+    
 class KeyboardPress(Message):
     def on_event(self, event):
         self.add_arg(event.key)