ServiceName converter now can handle iPlayableService's and
[enigma2.git] / lib / python / Components / HelpMenuList.py
1 from GUIComponent import GUIComponent
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                                 # do not display entries which are not accessible from keys
25                                 if not len(buttons):
26                                         continue
27
28                                 name = None
29                                 flags = 0
30
31                                 for n in buttons:
32                                         (name, flags) = (getKeyDescription(n[0]), n[1])
33                                         if name is not None:
34                                                 break
35
36                                 if flags & 8: # for long keypresses, prepend l_ into the key name.
37                                         name = ("l_" + name[0], name[1], name[2])
38
39                                 entry.append( (actionmap, context, action, name ) )
40                                 entry.append( (eListboxPythonMultiContent.TYPE_TEXT, 0, 0, 400, 28, 0, 0, help) )
41
42                                 l.append(entry)
43
44                 self.l.setList(l)
45
46                 self.l.setFont(0, gFont("Regular", 24))
47                 self.l.setItemHeight(38)
48
49         def ok(self):
50                 # a list entry has a "private" tuple as first entry...
51                 l = self.getCurrent()
52                 if l is None:
53                         return
54                 # ...containing (Actionmap, Context, Action, keydata).
55                 # we returns this tuple to the callback.
56                 self.callback(l[0], l[1], l[2])
57
58         def getCurrent(self):
59                 sel = self.l.getCurrentSelection()
60                 return sel and sel[0]
61
62         GUI_WIDGET = eListbox
63
64         def postWidgetCreate(self, instance):
65                 instance.setContent(self.l)
66
67                 instance.selectionChanged.get().append(self.selectionChanged)
68
69         def selectionChanged(self):
70                 for x in self.onSelChanged:
71                         x()