X-Git-Url: https://git.ctpug.org.za/?a=blobdiff_plain;f=naja%2Fevents.py;h=dbf7a03711fa1a4dd87a9ef15544332e4eddb948;hb=3ce25dac7ca325c83574240741294666b53613a4;hp=4d3fb07f80a94bc5502edfa048b3e0e017c80393;hpb=77c817eaeef44416ff09cd53024db9a80f032ba4;p=naja.git

diff --git a/naja/events.py b/naja/events.py
index 4d3fb07..dbf7a03 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
@@ -32,6 +37,20 @@ class SceneChangeEvent(NajaEvent):
 class QuitGameEvent(NajaEvent):
     TYPE = "QUIT_GAME"
 
+
+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"
+
+
+class LoadGameEvent(NajaEvent):
+    TYPE = "LOAD_GAME"
+
     @classmethod
-    def post(cls):
-        super(QuitGameEvent, cls).post()
+    def post(cls, state):
+        super(LoadGameEvent, cls).post(state=state)