X-Git-Url: https://git.ctpug.org.za/?a=blobdiff_plain;f=naja%2Fevents.py;h=1d7609f5937cc61d81b89de4a0c805e7398f72b0;hb=0cef06f581d48315a59a19ac06ca1d2be14cbb4c;hp=01df79c162a34b5c652374847296f1623b082fa6;hpb=da7b5b8cfedca73f510a85275a5c9155b07c2cf9;p=naja.git

diff --git a/naja/events.py b/naja/events.py
index 01df79c..1d7609f 100644
--- a/naja/events.py
+++ b/naja/events.py
@@ -6,8 +6,13 @@ import pygame.event as pge
 import pygame.locals as pgl
 
 
-class NajaEvent(object):
+def finish_event(handled=True, skip_invalidate=False):
+    if not skip_invalidate:
+        InvalidateTheWorld.post()
+    return handled
+
 
+class NajaEvent(object):
     TYPE = "UNKNOWN"
 
     @classmethod
@@ -25,13 +30,19 @@ class SceneChangeEvent(NajaEvent):
     TYPE = "SCENE_CHANGE"
 
     @classmethod
-    def post(cls, scene):
-        super(SceneChangeEvent, cls).post(scene=scene)
+    def post(cls, scene_cls):
+        super(SceneChangeEvent, cls).post(scene_cls=scene_cls)
 
 
 class QuitGameEvent(NajaEvent):
     TYPE = "QUIT_GAME"
 
-    @classmethod
-    def post(cls):
-        super(QuitGameEvent, cls).post()
+
+class InvalidateTheWorld(NajaEvent):
+    # This is used to signal to all the widgets that the world has changed
+    # and cached state may need to be recreated
+    TYPE = "INVALIDATE"
+
+
+class SelectEvent(NajaEvent):
+    TYPE = "SELECT"