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
   7 # [ ( actionmap, context, [(action, help), (action, help), ...] ), (actionmap, ... ), ... ]
   8
   9 class HelpMenuList(GUIComponent):
  10         def __init__(self, list, callback):
  11                 GUIComponent.__init__(self)
  12
  13                 self.l = eListboxPythonMultiContent()
  14                 self.callback = callback
  15
  16                 l = [ ]
  17                 for (actionmap, context, actions) in list:
  18                         for (action, help) in actions:
  19                                 entry = [ ]
  20
  21                                 entry.append( (actionmap, context, action) )
  22                                 buttons = queryKeyBinding(context, action)
  23                                 buttonstring = ""
  24
  25                                 first = True
  26                                 for n in buttons:
  27                                         name = getKeyDescription(n)
  28                                         if name is None:
  29                                                 continue
  30
  31                                         if not first:
  32                                                 buttonstring += ", or "
  33
  34                                         first = False
  35                                         buttonstring += name
  36
  37                                 if not first:
  38                                         buttonstring = "You can also press " + buttonstring + "."
  39
  40                                 entry.append( (0, 0, 200, 36, 0, 0, help) )
  41                                 entry.append( (0, 40, 200, 20, 1, 0, buttonstring) )
  42
  43                                 l.append(entry)
  44
  45                 self.l.setList(l)
  46
  47                 self.l.setFont(0, gFont("Arial", 36))
  48                 self.l.setFont(1, gFont("Arial", 18))
  49
  50         def GUIcreate(self, parent):
  51                 self.instance = eListbox(parent)
  52                 self.instance.setContent(self.l)
  53                 self.instance.setItemHeight(75)
  54
  55         def GUIdelete(self):
  56                 self.instance.setContent(None)
  57                 self.instance = None
  58
  59         def ok(self):
  60                 # a list entry has a "private" tuple as first entry...
  61                 l = self.l.getCurrentSelection()[0]
  62
  63                 # ...containing (Actionmap, Context, Action).
  64                 # we returns this tuple to the callback.
  65                 self.callback(l[0], l[1], l[2])