generic show/hide support for GUIComponents

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

diff --git a/lib/python/Screens/HelpMenu.py b/lib/python/Screens/HelpMenu.py
index cae0a5db1b0210235fb5813ee1fc8612a5ac77b2..06f0cfaba3249b732a3ac1e133fe4f386f8485a5 100644 (file)
--- a/lib/python/Screens/HelpMenu.py
+++ b/lib/python/Screens/HelpMenu.py
@@ -18,6 +18,7 @@ class HelpMenu(Screen):
                self.onSelChanged = [ ]
                
                self["list"] = HelpMenuList(list, self.close)
+               self["list"].onSelChanged.append(self.SelectionChanged)
                
                self["rc"] = Pixmap()
                self["arrowup"] = MovingPixmap()
@@ -26,26 +27,18 @@ class HelpMenu(Screen):
                {
                        "ok": self["list"].ok,
                        "back": self.close,
-                       "up": self.up,
-                       "down": self.down
                }, -1)
-       
-       def up(self):
-               self["list"].instance.moveSelection(self["list"].instance.moveUp)
-               self.SelectionChanged()
-               
-       def down(self):
-               self["list"].instance.moveSelection(self["list"].instance.moveDown)
-               self.SelectionChanged()
                
        def SelectionChanged(self):
                selection = self["list"].getCurrent()[3]
+               arrow = self["arrowup"]
+
                if selection is None:
-                       self["arrowup"].instance.hide()
+                       arrow.hide()
                else:
-                       self["arrowup"].moveTo(selection[1], selection[2], 1)
-                       self["arrowup"].startMoving()
-                       self["arrowup"].instance.show()
+                       arrow.moveTo(selection[1], selection[2], 1)
+                       arrow.startMoving()
+                       arrow.show()
 
 class HelpableScreen:
        def __init__(self):
@@ -53,8 +46,10 @@ class HelpableScreen:
                        {
                                "displayHelp": self.showHelp,
                        })
+
        def showHelp(self):
                self.session.openWithCallback(self.callHelpAction, HelpMenu, self.helpList)
+
        def callHelpAction(self, *args):
                if len(args):
                        (actionmap, context, action) = args