lib/python/Components/HelpMenuList.py

   1 from GUIComponent import *
   2
   3 from enigma import eListboxPythonMultiContent, eListbox, gFont
   4
   5 from Tools.KeyBindings import queryKeyBinding, getKeyDescription
   6 #getKeyPositions
   7
   8 # [ ( actionmap, context, [(action, help), (action, help), ...] ), (actionmap, ... ), ... ]
   9
  10 class HelpMenuList(GUIComponent):
  11         def __init__(self, list, callback):
  12                 GUIComponent.__init__(self)
  13                 self.onSelChanged = [ ]
  14                 self.l = eListboxPythonMultiContent()
  15                 self.callback = callback
  16
  17                 l = [ ]
  18                 for (actionmap, context, actions) in list:
  19                         for (action, help) in actions:
  20                                 entry = [ ]
  21
  22                                 buttons = queryKeyBinding(context, action)
  23
  24                                 name = None
  25
  26                                 for n in buttons:
  27                                         name = getKeyDescription(n)
  28                                         if name is not None:
  29                                                 break
  30
  31                                 entry.append( (actionmap, context, action, name ) )
  32                                 entry.append( (eListboxPythonMultiContent.TYPE_TEXT, 0, 0, 400, 28, 0, 0, help) )
  33
  34                                 l.append(entry)
  35
  36                 self.l.setList(l)
  37
  38                 self.l.setFont(0, gFont("Regular", 26))
  39
  40         def ok(self):
  41                 # a list entry has a "private" tuple as first entry...
  42                 l = self.getCurrent()
  43                 if l is None:
  44                         return
  45                 # ...containing (Actionmap, Context, Action, keydata).
  46                 # we returns this tuple to the callback.
  47                 self.callback(l[0], l[1], l[2])
  48
  49         def getCurrent(self):
  50                 sel = self.l.getCurrentSelection()
  51                 return sel and sel[0]
  52
  53         GUI_WIDGET = eListbox
  54
  55         def postWidgetCreate(self, instance):
  56                 instance.setContent(self.l)
  57                 instance.setItemHeight(42)
  58                 instance.selectionChanged.get().append(self.selectionChanged)
  59
  60         def selectionChanged(self):
  61                 for x in self.onSelChanged:
  62                         x()