add onShown eventlist for executing stuff after the screen is drawn

[enigma2.git] / lib / python / Screens / Screen.py

diff --git a/lib/python/Screens/Screen.py b/lib/python/Screens/Screen.py
index 6e5ac21de5fb65df6108eb80c915160d8d0857d1..13e31d671113c77bfb587c7dd018c19c469a1b55 100644 (file)
--- a/lib/python/Screens/Screen.py
+++ b/lib/python/Screens/Screen.py
@@ -13,6 +13,7 @@ class Screen(dict, HTMLSkin, GUISkin):
                
                self.onClose = [ ]
                self.onExecBegin = [ ]
+               self.onShown = [ ]
                
                # in order to support screens *without* a help,
                # we need the list in every screen. how ironic.
@@ -25,6 +26,9 @@ class Screen(dict, HTMLSkin, GUISkin):
 #              self.session = session
                for (name, val) in self.items():
                        val.execBegin()
+
+               for x in self.onShown:
+                       x()
        
        def execEnd(self):
                for (name, val) in self.items():