fix help when no help available
[enigma2.git] / lib / python / Components / HelpMenuList.py
index c7035cb..48802f7 100644 (file)
@@ -3,13 +3,14 @@ from GUIComponent import *
 from enigma import eListboxPythonMultiContent, eListbox, gFont
 
 from Tools.KeyBindings import queryKeyBinding, getKeyDescription
+#getKeyPositions
 
 # [ ( actionmap, context, [(action, help), (action, help), ...] ), (actionmap, ... ), ... ]
 
 class HelpMenuList(GUIComponent):
        def __init__(self, list, callback):
                GUIComponent.__init__(self)
-               
+               self.onSelChanged = [ ]
                self.l = eListboxPythonMultiContent()
                self.callback = callback
                
@@ -18,48 +19,44 @@ class HelpMenuList(GUIComponent):
                        for (action, help) in actions:
                                entry = [ ]
                                
-                               entry.append( (actionmap, context, action) )
                                buttons = queryKeyBinding(context, action)
-                               buttonstring = ""
-       
-                               first = True
+
+                               name = None
+                               
                                for n in buttons:
                                        name = getKeyDescription(n)
-                                       if name is None:
-                                               continue
-
-                                       if not first:
-                                               buttonstring += ", or "
-
-                                       first = False
-                                       buttonstring += name
-
-                               if not first:
-                                       buttonstring = "You can also press " + buttonstring + "."
+                                       if name is not None:
+                                               break
 
-                               entry.append( (eListboxPythonMultiContent.TYPE_TEXT, 0, 0, 200, 36, 0, 0, help) )
-                               entry.append( (eListboxPythonMultiContent.TYPE_TEXT, 0, 40, 200, 20, 1, 0, buttonstring) )
+                               entry.append( (actionmap, context, action, name ) )
+                               entry.append( (eListboxPythonMultiContent.TYPE_TEXT, 0, 0, 400, 28, 0, 0, help) )
                                
                                l.append(entry)
                
                self.l.setList(l)
                
-               self.l.setFont(0, gFont("Regular", 36))
-               self.l.setFont(1, gFont("Regular", 18))
+               self.l.setFont(0, gFont("Regular", 26))
        
-       def GUIcreate(self, parent):
-               self.instance = eListbox(parent)
-               self.instance.setContent(self.l)
-               self.instance.setItemHeight(75)
-       
-       def GUIdelete(self):
-               self.instance.setContent(None)
-               self.instance = None
-
        def ok(self):
                # a list entry has a "private" tuple as first entry...
-               l = self.l.getCurrentSelection()[0]
-               
-               # ...containing (Actionmap, Context, Action).
+               l = self.getCurrent()
+               if l is None:
+                       return
+               # ...containing (Actionmap, Context, Action, keydata).
                # we returns this tuple to the callback.
                self.callback(l[0], l[1], l[2])
+       
+       def getCurrent(self):
+               sel = self.l.getCurrentSelection()
+               return sel and sel[0]
+
+       GUI_WIDGET = eListbox
+
+       def postWidgetCreate(self, instance):
+               instance.setContent(self.l)
+               instance.setItemHeight(42)
+               instance.selectionChanged.get().append(self.selectionChanged)
+               
+       def selectionChanged(self):
+               for x in self.onSelChanged:
+                       x()