From bb9ce4897ba4326cd0cdf4b394631c679ba353dc Mon Sep 17 00:00:00 2001
From: Felix Domke <tmbinc@elitedvb.net>
Date: Thu, 26 Jan 2006 13:29:28 +0000
Subject: show, hide is now supported in screen, adding onShow (!= onShown),
 onHide

---
 lib/python/Screens/Screen.py | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

(limited to 'lib/python/Screens')

diff --git a/lib/python/Screens/Screen.py b/lib/python/Screens/Screen.py
index 3c635831..a8d0b048 100644
--- a/lib/python/Screens/Screen.py
+++ b/lib/python/Screens/Screen.py
@@ -15,7 +15,11 @@ class Screen(dict, HTMLSkin, GUISkin):
 		self.onExecBegin = [ ]
 		self.onShown = [ ]
 		
+		self.onShow = [ ]
+		self.onHide = [ ]
+		
 		self.execing = False
+		self.shown = False
 		
 		# in order to support screens *without* a help,
 		# we need the list in every screen. how ironic.
@@ -72,3 +76,19 @@ class Screen(dict, HTMLSkin, GUISkin):
 
 	def setFocus(self, o):
 		self.instance.setFocus(o.instance)
+
+	def show(self):
+		if self.shown:
+			return
+		self.shown = True
+		self.instance.show()
+		for x in self.onShow:
+			x()
+
+	def hide(self):
+		if not self.shown:
+			return
+		self.shown = False
+		self.instance.hide()
+		for x in self.onHide:
+			x()
-- 
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