show 'l' keypresses in helpscreen
[openblackhole/openblackhole-enigma2.git] / 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                                 flags = 0
26
27                                 for n in buttons:
28                                         (name, flags) = (getKeyDescription(n[0]), n[1])
29                                         if name is not None:
30                                                 break
31
32                                 if flags & 8: # for long keypresses, prepend l_ into the key name.
33                                         name = ("l_" + name[0], name[1], name[2])
34
35                                 entry.append( (actionmap, context, action, name ) )
36                                 entry.append( (eListboxPythonMultiContent.TYPE_TEXT, 0, 0, 400, 28, 0, 0, help) )
37
38                                 l.append(entry)
39
40                 self.l.setList(l)
41
42                 self.l.setFont(0, gFont("Regular", 26))
43                 self.l.setItemHeight(42)
44
45         def ok(self):
46                 # a list entry has a "private" tuple as first entry...
47                 l = self.getCurrent()
48                 if l is None:
49                         return
50                 # ...containing (Actionmap, Context, Action, keydata).
51                 # we returns this tuple to the callback.
52                 self.callback(l[0], l[1], l[2])
53
54         def getCurrent(self):
55                 sel = self.l.getCurrentSelection()
56                 return sel and sel[0]
57
58         GUI_WIDGET = eListbox
59
60         def postWidgetCreate(self, instance):
61                 instance.setContent(self.l)
62
63                 instance.selectionChanged.get().append(self.selectionChanged)
64
65         def selectionChanged(self):
66                 for x in self.onSelChanged:
67                         x()