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from GUIComponent import GUIComponent
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, helplist, callback):
GUIComponent.__init__(self)
self.onSelChanged = [ ]
self.l = eListboxPythonMultiContent()
self.callback = callback
self.extendedHelp = False
l = [ ]
for (actionmap, context, actions) in helplist:
for (action, help) in actions:
buttons = queryKeyBinding(context, action)
# do not display entries which are not accessible from keys
if not len(buttons):
continue
name = None
flags = 0
for n in buttons:
(name, flags) = (getKeyDescription(n[0]), n[1])
if name is not None:
break
if flags & 8: # for long keypresses, prepend l_ into the key name.
name = (name[0], "long")
entry = [ (actionmap, context, action, name ) ]
if isinstance(help, list):
self.extendedHelp = True
print "extendedHelpEntry found"
entry.extend((
(eListboxPythonMultiContent.TYPE_TEXT, 0, 0, 400, 26, 0, 0, help[0]),
(eListboxPythonMultiContent.TYPE_TEXT, 0, 28, 400, 20, 1, 0, help[1])
))
else:
entry.append( (eListboxPythonMultiContent.TYPE_TEXT, 0, 0, 400, 28, 0, 0, help) )
l.append(entry)
self.l.setList(l)
if self.extendedHelp is True:
self.l.setFont(0, gFont("Regular", 24))
self.l.setFont(1, gFont("Regular", 18))
self.l.setItemHeight(50)
else:
self.l.setFont(0, gFont("Regular", 24))
self.l.setItemHeight(38)
def ok(self):
# a list entry has a "private" tuple as first entry...
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.selectionChanged.get().append(self.selectionChanged)
def preWidgetRemove(self, instance):
instance.setContent(None)
instance.selectionChanged.get().remove(self.selectionChanged)
def selectionChanged(self):
for x in self.onSelChanged:
x()
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