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

@@ -40,6 +40,9 @@ class Message:
     def clear_args(self):
         self._args = []
     
+    def no_action(self):
+        return False
+        
 
 def msg(message_class, *params):
     def callback(event):
@@ -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)

src/update.py

@@ -2,49 +2,40 @@ import lib.screenful as screenful
 
 class Update:
     def __init__(self):
-        self.message_queue = []
         self.model = None
         self.view = None
 
-    def update_model(self):
+    def update_model(self, msg):
+        # check if completely no action needed
+        if msg.no_action():
+            return
+        
+        # by default, no need to redraw entry
         entry_redraw = False
-        reset = False
+        
+        # check if we need to signal the data change
+        if msg.data_change():
+            screenful.changed()
+            entry_redraw = True
+            
+        # redraw of view can happen even if no data changed
+        entry_redraw |= msg.entry_redraw()
         
         # check if we need to reset the model
-        for msg in self.message_queue:
-            if msg.reset():
-                reset = True
-                break
+        reset = msg.reset()
         
         if reset:
             self.model.pre_reset()
             
-        # check if we need to signal the data change
-        # and for entry redraw
-        for msg in self.message_queue:
-            if msg.data_change():
-                screenful.changed()
-                entry_redraw = True
-                break
-            
-            if msg.entry_redraw():
-                entry_redraw = True
-            
-        # do update
-        for msg in self.message_queue:
+        # actually run the update_model
         msg.update_model(self.model)
         msg.clear_args()
             
+        # post reset comes now
         if reset:
             self.model.post_reset()
 
         self.view.view(self.model, entry_redraw)
-        self.message_queue = []
-
-    def schedule(self, msg):
-        self.message_queue.append(msg)
-        # for now, directly clearing message queue
-        self.update_model()
     
     def set_model(self, model):
         self.model = model

src/view/view.py

@@ -95,5 +95,5 @@ class View:
         return h("div.modal", {}, [
             h("input", { "props": {"type": "checkbox", "checked": modal_shown} }, ""), 
             h("label.overlay", {}, ""), 
-            h("article", {"on": { "click": msg(NoReset) }}, modal())])
+            h("article", {"on": { "click": msg(NoAction) }}, modal())])