add help stuff

4 files changed, 80 insertions, 2 deletions

diff --git a/lib/python/Components/ActionMap.py b/lib/python/Components/ActionMap.py
index 2ed2fcc3..046a92d9 100644
--- a/lib/python/Components/ActionMap.py
+++ b/lib/python/Components/ActionMap.py
@@ -33,3 +33,31 @@ class NumberActionMap(ActionMap):
 			return 1
 		else:
 			return ActionMap.action(self, contexts, action)
+
+class HelpableActionMap(ActionMap):
+	"""An Actionmap which automatically puts the actions into the helpList.
+
+	Note that you can only use ONE context here!"""
+	
+	# sorry for this complicated code.
+	# it's not more than converting a "documented" actionmap 
+	# (where the values are possibly (function, help)-tuples)
+	# into a "classic" actionmap, where values are just functions.
+	# the classic actionmap is then passed to the ActionMap constructor,
+	# the collected helpstrings (with correct context, action) is
+	# added to the screen's "helpList", which will be picked up by
+	# the "HelpableScreen".
+	def __init__(self, parent, context, actions = { }, prio=0):
+		alist = [ ]
+		adict = { }
+		for (action, funchelp) in actions.iteritems():
+			# check if this is a tuple
+			if type(funchelp) is type(()):
+				alist.append((action, funchelp[1]))
+				adict[action] = funchelp[0]
+			else:
+				adict[action] = funchelp
+
+		ActionMap.__init__(self, [context], adict, prio)
+
+		parent.helpList.append((self, context, alist))
diff --git a/lib/python/Components/HelpMenuList.py b/lib/python/Components/HelpMenuList.py
new file mode 100644
index 00000000..34eb4119
--- /dev/null
+++ b/lib/python/Components/HelpMenuList.py
@@ -0,0 +1,50 @@
+from GUIComponent import *
+
+from enigma import eListboxPythonMultiContent, eListbox, gFont
+
+# [ ( actionmap, context, [(action, help), (action, help), ...] ), (actionmap, ... ), ... ]
+
+class HelpMenuList(GUIComponent):
+	def __init__(self, list, callback):
+		GUIComponent.__init__(self)
+		
+		self.l = eListboxPythonMultiContent()
+		self.callback = callback
+		
+		l = [ ]
+		for (actionmap, context, actions) in list:
+			
+			print "actionmap:"  + str(actionmap)
+			print "context: " + str(context)
+			print "actions: " + str(actions)
+			
+			for (action, help) in actions:
+				entry = [ ]
+				
+				entry.append( (actionmap, context, action) )
+				entry.append( (0, 36, 200, 20, 1, 0, "you can also press a secret button") )
+				entry.append( (0, 0, 200, 36, 0, 0, help) )
+				
+				l.append(entry)
+		
+		self.l.setList(l)
+		
+		self.l.setFont(0, gFont("Arial", 36))
+		self.l.setFont(1, gFont("Arial", 18))
+	
+	def GUIcreate(self, parent):
+		self.instance = eListbox(parent)
+		self.instance.setContent(self.l)
+		self.instance.setItemHeight(75)
+	
+	def GUIdelete(self):
+		self.instance.setContent(None)
+		self.instance = None
+
+	def ok(self):
+		# a list entry has a "private" tuple as first entry...
+		l = self.l.getCurrentSelection()[0]
+		
+		# ...containing (Actionmap, Context, Action).
+		# we returns this tuple to the callback.
+		self.callback(l[0], l[1], l[2])
diff --git a/lib/python/Components/Makefile.am b/lib/python/Components/Makefile.am
index f49c7545..c2787d9c 100644
--- a/lib/python/Components/Makefile.am
+++ b/lib/python/Components/Makefile.am
@@ -9,4 +9,4 @@ install_PYTHON = \
 	GUIComponent.py MenuList.py TextInput.py __init__.py MovieList.py				\
 	InputDevice.py ServicePosition.py SetupDevices.py Harddisk.py						\
 	AVSwitch.py Network.py RFmod.py DiskInfo.py NimManager.py Lcd.py				\
-	EpgList.py ScrollLabel.py Timezones.py Language.py
+	EpgList.py ScrollLabel.py Timezones.py Language.py HelpMenuList.py
diff --git a/lib/python/Components/__init__.py b/lib/python/Components/__init__.py
index ed74427a..0582a908 100644
--- a/lib/python/Components/__init__.py
+++ b/lib/python/Components/__init__.py
@@ -6,4 +6,4 @@ __all__ = ["ActionMap", "Button", "Clock", "ConfigList", "EventInfo",
 	"components", "config", "TimerList", "TimeInput", "MovieList", 
 	"InputDevice",	"ServicePosition", "IPAddress", "VariableIP", "IPGateway",
 	"IPNameserver", "Network", "RFmon", "DiskInfo", "NimManager", "TimerEntry",
-	"Lcd", "EpgList" "ScrollLabel", "Timezones"]
+	"Lcd", "EpgList" "ScrollLabel", "Timezones", "HelpMenuList"]