skin.py

from Tools.Profile import profile
profile("LOAD:ElementTree")
import xml.etree.cElementTree
import os

profile("LOAD:enigma_skin")
from enigma import eSize, ePoint, eRect, gFont, eWindow, eLabel, ePixmap, eWindowStyleManager, addFont, gRGB, eWindowStyleSkinned, getDesktop
from Components.config import ConfigSubsection, ConfigText, config, ConfigYesNo, ConfigSelection, ConfigNothing
from Components.Converter.Converter import Converter
from Components.Sources.Source import Source, ObsoleteSource
from Components.SystemInfo import SystemInfo
from Tools.Directories import resolveFilename, SCOPE_SKIN, SCOPE_SKIN_IMAGE, SCOPE_FONTS, SCOPE_CURRENT_SKIN, SCOPE_CURRENT_LCDSKIN, SCOPE_CONFIG, fileExists
from Tools.Import import my_import
from Tools.LoadPixmap import LoadPixmap
from Components.RcModel import rc_model
from boxbranding import getBoxType

config.vfd = ConfigSubsection()
config.vfd.show = ConfigSelection([("skin_text.xml", _("Channel Name")), ("skin_text_clock.xml", _("Clock"))], "skin_text.xml")
if not os.path.exists("/usr/share/enigma2/skin_text.xml"):
	config.vfd.show = ConfigNothing()

colorNames = {}
colorNamesHuman = {}
switchPixmap = {}
# Predefined fonts, typically used in built-in screens and for components like
# the movie list and so.
fonts = {
	"Body": ("Regular", 18, 22, 16),
	"ChoiceList": ("Regular", 20, 24, 18),
}

parameters = {}
constant_widgets = {}
variables = {}
DEFAULT_SKIN = "MetrixHD/skin.xml"
DEFAULT_DISPLAY_SKIN = "skin_display.xml"
if SystemInfo["grautec"]:
	DEFAULT_DISPLAY_SKIN = "skin_display_grautec.xml"
isVTISkin = False

def dump(x, i=0):
	print " " * i + str(x)
	try:
		for n in x.childNodes:
			dump(n, i + 1)
	except:
		None

skinfactor = 0
def getSkinFactor(refresh = False):
	global skinfactor
	if refresh or not skinfactor:
		try:
			skinfactor = getDesktop(0).size().width() / 1280.0
			if not skinfactor in [1, 1.5, 3]:
				print '[SKIN] getSkinFactor unknown result (%s) -> set skinfactor to 1' %skinfactor
				skinfactor = 1
		except Exception, err:
			skinfactor = 1
			print '[SKIN] getSkinFactor failed: ', err
	return skinfactor

class SkinError(Exception):
	def __init__(self, message):
		self.msg = message
	def __str__(self):
		return "{%s}: %s. Please contact the skin's author!" % (config.skin.primary_skin.value, self.msg)

class DisplaySkinError(Exception):
	def __init__(self, message):
		self.msg = message
	def __str__(self):
		return "{%s}: %s. Please contact the skin's author!" % (config.skin.display_skin.value, self.msg)

dom_skins = [ ]

def addSkin(name, scope = SCOPE_SKIN):
	# read the skin
	if name is None or not len(name):
		print "[SKIN ERROR] attempt to add a skin without filename"
		return False
	filename = resolveFilename(scope, name)
	if fileExists(filename):
		mpath = os.path.dirname(filename) + "/"
		try:
			dom_skins.append((mpath, xml.etree.cElementTree.parse(filename).getroot()))
		except:
			print "[SKIN ERROR] error in %s" % filename
			return False
		else:
			return True
	return False

def get_modular_files(name, scope = SCOPE_SKIN):
	dirname = resolveFilename(scope, name + 'mySkin/')
	file_list = []
	if fileExists(dirname) and config.skin.primary_skin.value != DEFAULT_SKIN:
		skin_files = (os.listdir(dirname))
		if len(skin_files):
			for f in skin_files:
				if f.startswith('skin_') and f.endswith('.xml'):
					file_list.append(("mySkin/" + f))
	file_list = sorted(file_list, key=str.lower)
	return file_list

# get own skin_user_skinname.xml file, if exist
def skin_user_skinname():
	name = "skin_user_" + config.skin.primary_skin.value[:config.skin.primary_skin.value.rfind('/')] + ".xml"
	filename = resolveFilename(SCOPE_CONFIG, name)
	if fileExists(filename):
		return name
	return None

# we do our best to always select the "right" value
# skins are loaded in order of priority: skin with
# highest priority is loaded last, usually the user-provided
# skin.

# currently, loadSingleSkinData (colors, bordersets etc.)
# are applied one-after-each, in order of ascending priority.
# the dom_skin will keep all screens in descending priority,
# so the first screen found will be used.

# example: loadSkin("nemesis_greenline/skin.xml")
config.skin = ConfigSubsection()
config.skin.primary_skin = ConfigText(default = DEFAULT_SKIN)
config.skin.display_skin = ConfigText(default = DEFAULT_DISPLAY_SKIN)

##################################################################################################
if fileExists('/etc/.restore_skins'):
	os.unlink('/etc/.restore_skins')
	import glob
	lastpath = ''
	for skin in sorted(glob.glob('/usr/lib/enigma2/python/Plugins/Extensions/*/ActivateSkinSettings.py*')):
		try:
			print '[RESTORE_SKIN] restore skin from "%s" ...' % skin
			skinpath, ext = os.path.splitext(skin)
			if skinpath == lastpath or not ext in '.pyo':
				print '[RESTORE_SKIN] ...skip!'
				continue
			lastpath = skinpath
			if getattr(__import__(skin.replace('/usr/lib/enigma2/python/','').replace(ext,'').replace('/','.'), fromlist=['ActivateSkinSettings']), 'ActivateSkinSettings')().WriteSkin(True):
				print '[RESTORE_SKIN] ... failed!'
			else:
				print '[RESTORE_SKIN] ... done!'
		except Exception, err:
			print '[RESTORE_SKIN] ...error occurred: ', err
##################################################################################################

def skinExists(skin = False):
	if not skin or not isinstance(skin, skin):
		skin = config.skin.primary_skin.value
	skin =  resolveFilename(SCOPE_SKIN, skin)
	if not fileExists(skin):
		if fileExists(resolveFilename(SCOPE_SKIN, DEFAULT_SKIN)):
			config.skin.primary_skin.value = DEFAULT_SKIN
		else:
			config.skin.primary_skin.value = "skin.xml"
		config.skin.primary_skin.save()
skinExists()

def getSkinPath():
	#primary_skin_path = config.skin.primary_skin.value.replace('skin.xml', '')
	p = config.skin.primary_skin.value
	primary_skin_path = p[:p.rfind('/')+1]
	if not primary_skin_path.endswith('/'):
		primary_skin_path = primary_skin_path + '/'
	return primary_skin_path
	
primary_skin_path = getSkinPath()

profile("LoadSkin")
res = None
name = skin_user_skinname()
if name:
	res = addSkin(name, SCOPE_CONFIG)
if not name or not res:
	addSkin('skin_user.xml', SCOPE_CONFIG)

# some boxes lie about their dimensions
addSkin('skin_box.xml')
# add optional discrete second infobar
addSkin('skin_second_infobar.xml')
display_skin_id = 1
if getBoxType().startswith('dm'):
	display_skin_id = 2
try:
	if not addSkin(os.path.join('display', config.skin.display_skin.value)):
		raise DisplaySkinError, "display skin not found"
except Exception, err:
	print "SKIN ERROR:", err
	skin = DEFAULT_DISPLAY_SKIN
	if config.skin.display_skin.value == skin:
		skin = 'skin_display.xml'
	print "defaulting to standard display skin...", skin
	config.skin.display_skin.value = skin
	skin = os.path.join('display', skin)
	addSkin(skin)
	del skin

# Add Skin for Display
try:
	addSkin(config.vfd.show.value)
except:
	addSkin('skin_text.xml')

addSkin('skin_subtitles.xml')

if config.skin.primary_skin.value != DEFAULT_SKIN:
	skinpath = resolveFilename(SCOPE_SKIN, primary_skin_path)
	if os.path.isdir(skinpath):
		for file in sorted(os.listdir(skinpath)):
			if file.startswith('skin_user_') and file.endswith('.xml'):
				try:
					addSkin(primary_skin_path + file, SCOPE_SKIN)
					print "[SKIN] loading user defined %s skin file: %s" %(file.replace('skin_user_','')[:-4], primary_skin_path + file)
				except (SkinError, IOError, OSError, AssertionError), err:
					print "[SKIN] not loading user defined %s skin file: %s - error: %s" %(file.replace('skin_user_','')[:-4], primary_skin_path + file, err)

def load_modular_files():
	modular_files = get_modular_files(primary_skin_path, SCOPE_SKIN)
	if len(modular_files):
		for f in modular_files:
			try:
				addSkin(primary_skin_path + f, SCOPE_SKIN)
				print "[SKIN] loading modular skin file : ", (primary_skin_path + f)
			except (SkinError, IOError, AssertionError), err:
				print "[SKIN] failed to load modular skin file : ", err
load_modular_files()

try:
	if not addSkin(config.skin.primary_skin.value):
		raise SkinError, "primary skin not found"
except Exception, err:
	print "SKIN ERROR:", err
	skin = DEFAULT_SKIN
	if config.skin.primary_skin.value == skin:
		skin = 'skin.xml'
	print "defaulting to standard skin...", skin
	config.skin.primary_skin.value = skin
	addSkin(skin)
	del skin

addSkin('skin_default.xml')
profile("LoadSkinDefaultDone")

def parseCoordinate(s, e, size=0, font=None):
	s = s.strip()
	if s == "center":
		if not size:
			val = 0
		else:
			val = (e - size)/2
	elif s == '*':
		return None
	else:
		if s[0] is 'e':
			val = e
			s = s[1:]
		elif s[0] is 'c':
			val = e/2
			s = s[1:]
		else:
			val = 0
		if s:
			if s[-1] is '%':
				val += e * int(s[:-1]) / 100
			elif s[-1] is 'w':
				val += fonts[font][3] * int(s[:-1])
			elif s[-1] is 'h':
				val += fonts[font][2] * int(s[:-1])
			else:
				val += int(s)
	if val < 0:
		val = 0
	return val



def getParentSize(object, desktop):
	size = eSize()
	if object:
		parent = object.getParent()
		# For some widgets (e.g. ScrollLabel) the skin attributes are applied to
		# a child widget, instead of to the widget itself. In that case, the parent
		# we have here is not the real parent, but it is the main widget.
		# We have to go one level higher to get the actual parent.
		# We can detect this because the 'parent' will not have a size yet
		# (the main widget's size will be calculated internally, as soon as the child
		# widget has parsed the skin attributes)
		if parent and parent.size().isEmpty():
			parent = parent.getParent()
		if parent:
			size = parent.size()
		elif desktop:
			#widget has no parent, use desktop size instead for relative coordinates
			size = desktop.size()
	return size

def parsePosition(s, scale, object = None, desktop = None, size = None):
	if s in variables:
		s = variables[s]
	x, y = s.split(',')
	parentsize = eSize()
	if object and (x[0] in ('c', 'e') or y[0] in ('c', 'e')):
		parentsize = getParentSize(object, desktop)
	xval = parseCoordinate(x, parentsize.width(), size and size.width())
	yval = parseCoordinate(y, parentsize.height(), size and size.height())
	return ePoint(xval * scale[0][0] / scale[0][1], yval * scale[1][0] / scale[1][1])

def parseSize(s, scale, object = None, desktop = None):
	if s in variables:
		s = variables[s]
	x, y = s.split(',')
	parentsize = eSize()
	if object and (x[0] in ('c', 'e') or y[0] in ('c', 'e')):
		parentsize = getParentSize(object, desktop)
	xval = parseCoordinate(x, parentsize.width())
	yval = parseCoordinate(y, parentsize.height())
	return eSize(xval * scale[0][0] / scale[0][1], yval * scale[1][0] / scale[1][1])

def parseFont(s, scale):
	try:
		f = fonts[s]
		name = f[0]
		size = f[1]
	except:
		name, size = s.split(';')
	return gFont(name, int(size) * scale[0][0] / scale[0][1])

def parseColor(s):
	if s[0] != '#':
		try:
			return colorNames[s]
		except:
			raise SkinError("color '%s' must be #aarrggbb or valid named color" % s)
	return gRGB(int(s[1:], 0x10))

def parseParameter(s):
	"""This function is responsible for parsing parameters in the skin, it can parse integers, floats, hex colors, hex integers, named colors and strings."""
	if s[0] == '#':
		return int(s[1:], 16)
	elif s[:2] == '0x':
		return int(s, 16)
	elif '.' in s:
		return float(s)
	elif s in colorNames:
		return colorNames[s].argb()
	else:
		return int(s)

def collectAttributes(skinAttributes, node, context, skin_path_prefix=None, ignore=(), filenames=frozenset(("pixmap", "pointer", "seek_pointer", "backgroundPixmap", "selectionPixmap", "sliderPixmap", "scrollbarbackgroundPixmap"))):
	# walk all attributes
	size = None
	pos = None
	font = None
	for attrib, value in node.items():
		if attrib not in ignore:
			if attrib in filenames:
				pngfile = resolveFilename(SCOPE_CURRENT_SKIN, value, path_prefix=skin_path_prefix)
				if not fileExists(pngfile) and fileExists(resolveFilename(SCOPE_CURRENT_LCDSKIN, value, path_prefix=skin_path_prefix)):
					pngfile = resolveFilename(SCOPE_CURRENT_LCDSKIN, value, path_prefix=skin_path_prefix)
				value = pngfile
			# Bit of a hack this, really. When a window has a flag (e.g. wfNoBorder)
			# it needs to be set at least before the size is set, in order for the
			# window dimensions to be calculated correctly in all situations.
			# If wfNoBorder is applied after the size has been set, the window will fail to clear the title area.
			# Similar situation for a scrollbar in a listbox; when the scrollbar setting is applied after
			# the size, a scrollbar will not be shown until the selection moves for the first time
			if attrib == 'size':
				size = value.encode("utf-8")
			elif attrib == 'position':
				pos = value.encode("utf-8")
			elif attrib == 'font':
				font = value.encode("utf-8")
				skinAttributes.append((attrib, font))
			else:
				skinAttributes.append((attrib, value.encode("utf-8")))
	if pos is not None:
		pos, size = context.parse(pos, size, font)
		skinAttributes.append(('position', pos))
	if size is not None:
		skinAttributes.append(('size', size))

def morphRcImagePath(value):
	if rc_model.rcIsDefault() is False:
		if value == '/usr/share/enigma2/skin_default/rc.png' or value == '/usr/share/enigma2/skin_default/rcold.png':
			value = rc_model.getRcLocation() + 'rc.png'
		elif value == '/usr/share/enigma2/skin_default/rc0.png' or value == '/usr/share/enigma2/skin_default/rc1.png' or value == '/usr/share/enigma2/skin_default/rc2.png':
			value = rc_model.getRcLocation() + 'rc.png'
	return value

def loadPixmap(path, desktop):
	cached = False
	option = path.find("#")
	if option != -1:
		options = path[option+1:].split(',')
		path = path[:option]
		cached = "cached" in options
	ptr = LoadPixmap(morphRcImagePath(path), desktop, cached)
	if ptr is not None:
		return ptr
	print("pixmap file %s not found!" % path)



pngcache = []
def cachemenu():
	pixmaplist = []
	for (path, skin) in dom_skins:
		for x in skin.findall("screen"):
			if x.attrib.get('name') == 'menu_mainmenu':
				print x.attrib.get('name')
				for s in x.findall("ePixmap"):
					if s.attrib.get('pixmap','') is not '':
						pixmaplist.append(s.attrib.get('pixmap',''))
				for s in x.findall('widget'):
					if s.attrib.get('pixmap','') is not '':
						pixmaplist.append(s.attrib.get('pixmap',''))
	desktop = getDesktop(0)
	for s in pixmaplist:
		value ='/usr/share/enigma2/'+s
		ptr = loadPixmap(value, desktop)
		pngcache.append((value,ptr))
try:
	if config.skin.primary_skin.value == "MetrixHD/skin.xml" or config.skin.primary_skin.value == DEFAULT_SKIN:
		cachemenu()
except:
	print "fail cache main menu"


class AttributeParser:
	def __init__(self, guiObject, desktop, scale=((1,1),(1,1))):
		self.guiObject = guiObject
		self.desktop = desktop
		self.scaleTuple = scale
	def applyOne(self, attrib, value):
		try:
			getattr(self, attrib)(value)
		except AttributeError:
			print "[SKIN] Attribute \"%s\" with value \"%s\" in object of type \"%s\" is not implemented" % (attrib, value, self.guiObject.__class__.__name__)
		except SkinError, ex:
			print "\033[91m[SKIN] Error:", ex,
			print "\033[0m"
		except:
			print "[Skin] attribute \"%s\" with wrong (or unknown) value \"%s\" in object of type \"%s\"" % (attrib, value, self.guiObject.__class__.__name__)

	def applyAll(self, attrs):
		for attrib, value in attrs:
			try:
				getattr(self, attrib)(value)
			except AttributeError:
				print "[SKIN] Attribute \"%s\" with value \"%s\" in object of type \"%s\" is not implemented" % (attrib, value, self.guiObject.__class__.__name__)
			except SkinError, ex:
				print "\033[91m[Skin] Error:", ex,
				print "\033[0m"
			except:
				print "[Skin] attribute \"%s\" with wrong (or unknown) value \"%s\" in object of type \"%s\"" % (attrib, value, self.guiObject.__class__.__name__)

	def conditional(self, value):
		pass
	def objectTypes(self, value):
		pass
	def position(self, value):
		if isinstance(value, tuple):
			self.guiObject.move(ePoint(*value))
		else:
			self.guiObject.move(parsePosition(value, self.scaleTuple, self.guiObject, self.desktop, self.guiObject.csize()))
	def size(self, value):
		if isinstance(value, tuple):
			self.guiObject.resize(eSize(*value))
		else:
			self.guiObject.resize(parseSize(value, self.scaleTuple, self.guiObject, self.desktop))
	def animationPaused(self, value):
		pass
	def NoAnimationAfter(self, value):
		pass
	def Animation(self, value):
		self.guiObject.setAnimationMode(
			{ "disable": 0x00,
				"off": 0x00,
				"offshow": 0x10,
				"offhide": 0x01,
				"onshow": 0x01,
				"onhide": 0x10,
				"disable_onshow": 0x10,
				"disable_onhide": 0x01,
			}[value])
	def animationMode(self, value):
		self.guiObject.setAnimationMode(
			{ "disable": 0x00,
				"off": 0x00,
				"offshow": 0x10,
				"offhide": 0x01,
				"onshow": 0x01,
				"onhide": 0x10,
				"disable_onshow": 0x10,
				"disable_onhide": 0x01,
			}[value])
	def title(self, value):
		global isVTISkin
		if value[:3].lower() == "vti":
			isVTISkin = True
		self.guiObject.setTitle(_(value))
	def text(self, value):
		self.guiObject.setText(_(value))
	def font(self, value):
		self.guiObject.setFont(parseFont(value, self.scaleTuple))
	def secondfont(self, value):
		self.guiObject.setSecondFont(parseFont(value, self.scaleTuple))
	def zPosition(self, value):
		self.guiObject.setZPosition(int(value))
	def itemHeight(self, value):
		self.guiObject.setItemHeight(int(value))
	def pixmap(self, value):
		global pngcache
		ptr = None
		for cvalue, cptr in pngcache:
			if cvalue== value:
				ptr=cptr
		if ptr is None:
			if not fileExists(value):
				ptr = loadPixmap(resolveFilename(SCOPE_SKIN_IMAGE, value), self.desktop)
			else:
				ptr = loadPixmap(value, self.desktop)
		self.guiObject.setPixmap(ptr)
	def backgroundPixmap(self, value):
		global pngcache
		ptr = None
		for cvalue, cptr in pngcache:
			if cvalue== value:
				ptr=cptr
		if ptr is None:
			if not fileExists(value):
				ptr = loadPixmap(resolveFilename(SCOPE_SKIN_IMAGE, value), self.desktop)
			else:
				ptr = loadPixmap(value, self.desktop)
		self.guiObject.setBackgroundPicture(ptr)
	def selectionPixmap(self, value):
		global pngcache
		ptr = None
		for cvalue, cptr in pngcache:
			if cvalue== value:
				ptr=cptr
		if ptr is None:
			if not fileExists(value):
				ptr = loadPixmap(resolveFilename(SCOPE_SKIN_IMAGE, value), self.desktop)
			else:
				ptr = loadPixmap(value, self.desktop)
		self.guiObject.setSelectionPicture(ptr)
	def sliderPixmap(self, value):
		global pngcache
		ptr = None
		for cvalue, cptr in pngcache:
			if cvalue== value:
				ptr=cptr
		if ptr is None:
			if not fileExists(value):
				ptr = loadPixmap(resolveFilename(SCOPE_SKIN_IMAGE, value), self.desktop)
			else:
				ptr = loadPixmap(value, self.desktop)
		self.guiObject.setSliderPicture(ptr)
	def scrollbarbackgroundPixmap(self, value):
		global pngcache
		ptr = None
		for cvalue, cptr in pngcache:
			if cvalue== value:
				ptr=cptr
		if ptr is None:
			if not fileExists(value):
				ptr = loadPixmap(resolveFilename(SCOPE_SKIN_IMAGE, value), self.desktop)
			else:
				ptr = loadPixmap(value, self.desktop)
		self.guiObject.setScrollbarBackgroundPicture(ptr)
	def scrollbarSliderPicture(self, value):
		global pngcache
		ptr = None
		for cvalue, cptr in pngcache:
			if cvalue== value:
				ptr=cptr
		if ptr is None:
			if not fileExists(value):
				ptr = loadPixmap(resolveFilename(SCOPE_SKIN_IMAGE, value), self.desktop)
			else:
				ptr = loadPixmap(value, self.desktop)
		self.guiObject.setScrollbarSliderPicture(ptr)
	def scrollbarBackgroundPicture(self, value):
		global pngcache
		ptr = None
		for cvalue, cptr in pngcache:
			if cvalue== value:
				ptr=cptr
		if ptr is None:
			if not fileExists(value):
				ptr = loadPixmap(resolveFilename(SCOPE_SKIN_IMAGE, value), self.desktop)
			else:
				ptr = loadPixmap(value, self.desktop)
		self.guiObject.setScrollbarBackgroundPicture(ptr)
	def alphatest(self, value):
		self.guiObject.setAlphatest(
			{ "on": 1,
			  "off": 0,
			  "blend": 2,
			}[value])
	def scale(self, value):
		self.guiObject.setScale(1)
	def orientation(self, value): # used by eSlider
		try:
			self.guiObject.setOrientation(*
				{ "orVertical": (self.guiObject.orVertical, False),
					"orTopToBottom": (self.guiObject.orVertical, False),
					"orBottomToTop": (self.guiObject.orVertical, True),
					"orHorizontal": (self.guiObject.orHorizontal, False),
					"orLeftToRight": (self.guiObject.orHorizontal, False),
					"orRightToLeft": (self.guiObject.orHorizontal, True),
				}[value])
		except KeyError:
			print "oprientation must be either orVertical or orHorizontal!, not %s. Please contact the skin's author!" % value
	def valign(self, value):
		try:
			self.guiObject.setVAlign(
				{ "top": self.guiObject.alignTop,
					"center": self.guiObject.alignCenter,
					"bottom": self.guiObject.alignBottom
				}[value])
		except KeyError:
			print "valign must be either top, center or bottom!, not %s. Please contact the skin's author!" % value
	def halign(self, value):
		try:
			self.guiObject.setHAlign(
				{ "left": self.guiObject.alignLeft,
					"center": self.guiObject.alignCenter,
					"right": self.guiObject.alignRight,
					"block": self.guiObject.alignBlock
				}[value])
		except KeyError:
			print "halign must be either left, center, right or block!, not %s. Please contact the skin's author!" % value
	def textOffset(self, value):
		global isVTISkin
		if value in variables:
			value = variables[value]
		x, y = value.split(',')
		self.guiObject.setTextOffset(ePoint(int(x) * self.scaleTuple[0][0] / self.scaleTuple[0][1], int(y) * self.scaleTuple[1][0] / self.scaleTuple[1][1]))
		if isVTISkin:
			self.guiObject.setUseVTIWorkaround()
	def flags(self, value):
		if value in variables:
			value = variables[value]
		flags = value.split(',')
		for f in flags:
			try:
				fv = eWindow.__dict__[f]
				self.guiObject.setFlag(fv)
			except KeyError:
				print "illegal flag %s!" % f
	def backgroundColor(self, value):
		self.guiObject.setBackgroundColor(parseColor(value))
	def backgroundColorSelected(self, value):
		self.guiObject.setBackgroundColorSelected(parseColor(value))
	def foregroundColor(self, value):
		self.guiObject.setForegroundColor(parseColor(value))
	def foregroundColorSelected(self, value):
		self.guiObject.setForegroundColorSelected(parseColor(value))
	def foregroundNotCrypted(self, value):
		self.guiObject.setForegroundColor(parseColor(value))
	def backgroundNotCrypted(self, value):
		self.guiObject.setBackgroundColor(parseColor(value))
	def foregroundCrypted(self, value):
		self.guiObject.setForegroundColor(parseColor(value))
	def backgroundCrypted(self, value):
		self.guiObject.setBackgroundColor(parseColor(value))
	def foregroundEncrypted(self, value):
		self.guiObject.setForegroundColor(parseColor(value))
	def backgroundEncrypted(self, value):
		self.guiObject.setBackgroundColor(parseColor(value))
	def shadowColor(self, value):
		self.guiObject.setShadowColor(parseColor(value))
	def selectionDisabled(self, value):
		self.guiObject.setSelectionEnable(0)
	def transparent(self, value):
		self.guiObject.setTransparent(int(value))
	def borderColor(self, value):
		self.guiObject.setBorderColor(parseColor(value))
	def borderWidth(self, value):
		self.guiObject.setBorderWidth(int(value))
	def scrollbarSliderBorderWidth(self, value):
		self.guiObject.setScrollbarSliderBorderWidth(int(value))
	def scrollbarWidth(self, value):
		self.guiObject.setScrollbarWidth(int(value))
	def scrollbarSliderBorderColor(self, value):
		self.guiObject.setSliderBorderColor(parseColor(value))
	def scrollbarSliderForegroundColor(self, value):
		self.guiObject.setSliderForegroundColor(parseColor(value))
	def scrollbarMode(self, value):
		self.guiObject.setScrollbarMode(getattr(self.guiObject, value))
		#	{ "showOnDemand": self.guiObject.showOnDemand,
		#		"showAlways": self.guiObject.showAlways,
		#		"showNever": self.guiObject.showNever,
		#		"showLeft": self.guiObject.showLeft
		#	}[value])
	def enableWrapAround(self, value):
		self.guiObject.setWrapAround(True)
	def pointer(self, value):
		(name, pos) = value.split(':')
		pos = parsePosition(pos, self.scaleTuple)
		ptr = loadPixmap(name, self.desktop)
		self.guiObject.setPointer(0, ptr, pos)
	def seek_pointer(self, value):
		(name, pos) = value.split(':')
		pos = parsePosition(pos, self.scaleTuple)
		ptr = loadPixmap(name, self.desktop)
		self.guiObject.setPointer(1, ptr, pos)
	def shadowOffset(self, value):
		self.guiObject.setShadowOffset(parsePosition(value, self.scaleTuple))
	def noWrap(self, value):
		self.guiObject.setNoWrap(int(value))
	def linelength(self, value):
		pass
	def OverScan(self, value):
		self.guiObject.setOverscan(value)

def applySingleAttribute(guiObject, desktop, attrib, value, scale = ((1,1),(1,1))):
	# Someone still using applySingleAttribute?
	AttributeParser(guiObject, desktop, scale).applyOne(attrib, value)

def applyAllAttributes(guiObject, desktop, attributes, scale):
	AttributeParser(guiObject, desktop, scale).applyAll(attributes)

def loadSingleSkinData(desktop, skin, path_prefix):
	"""loads skin data like colors, windowstyle etc."""
	assert skin.tag == "skin", "root element in skin must be 'skin'!"
	for c in skin.findall("output"):
		id = c.attrib.get('id')
		if id:
			id = int(id)
		else:
			id = 0
		if id == 0: # framebuffer
			for res in c.findall("resolution"):
				get_attr = res.attrib.get
				xres = get_attr("xres")
				if xres:
					xres = int(xres)
				else:
					xres = 720
				yres = get_attr("yres")
				if yres:
					yres = int(yres)
				else:
					yres = 576
				bpp = get_attr("bpp")
				if bpp:
					bpp = int(bpp)
				else:
					bpp = 32
				#print "Resolution:", xres,yres,bpp
				from enigma import gMainDC
				gMainDC.getInstance().setResolution(xres, yres)
				desktop.resize(eSize(xres, yres))
				if bpp != 32:
					# load palette (not yet implemented)
					pass

	for skininclude in skin.findall("include"):
		filename = skininclude.attrib.get("filename")
		if filename:
			skinfile = resolveFilename(SCOPE_CURRENT_SKIN, filename, path_prefix=path_prefix)
			if fileExists(skinfile):
				print "[SKIN] loading include:", skinfile
				loadSkin(skinfile)

	for c in skin.findall('switchpixmap'):
		for pixmap in c.findall('pixmap'):
			get_attr = pixmap.attrib.get
			name = get_attr('name')
			if not name:
				raise SkinError('[Skin] pixmap needs name attribute')
			filename = get_attr('filename')
			if not filename:
				raise SkinError('[Skin] pixmap needs filename attribute')
			resolved_png = resolveFilename(SCOPE_CURRENT_SKIN, filename, path_prefix=path_prefix)
			if fileExists(resolved_png):
				switchPixmap[name] = LoadPixmap(resolved_png, cached=True)
			else:
				raise SkinError('[Skin] switchpixmap pixmap filename="%s" (%s) not found' % (filename, resolved_png))

	for c in skin.findall("colors"):
		for color in c.findall("color"):
			get_attr = color.attrib.get
			name = get_attr("name")
			color = get_attr("value")
			if name and color:
				colorNames[name] = parseColor(color)
				if color[0] != '#':
					for key in colorNames:
						if key == color:
							colorNamesHuman[name] = colorNamesHuman[key]
							break
				else:
					humancolor = color[1:]
					if len(humancolor) >= 6:
						colorNamesHuman[name] = int(humancolor,16)
			else:
				print("need color and name, got %s %s" % (name, color))

	for c in skin.findall("fonts"):
		for font in c.findall("font"):
			get_attr = font.attrib.get
			filename = get_attr("filename", "<NONAME>")
			name = get_attr("name", "Regular")
			scale = get_attr("scale")
			if scale:
				scale = int(scale)
			else:
				scale = 100
			is_replacement = get_attr("replacement") and True or False
			render = get_attr("render")
			if render:
				render = int(render)
			else:
				render = 0
			resolved_font = resolveFilename(SCOPE_FONTS, filename, path_prefix=path_prefix)
			if not fileExists(resolved_font): #when font is not available look at current skin path
				resolved_font = resolveFilename(SCOPE_CURRENT_SKIN, filename)
				if not fileExists(resolved_font) and fileExists(resolveFilename(SCOPE_CURRENT_LCDSKIN, filename)):
					resolved_font = resolveFilename(SCOPE_CURRENT_LCDSKIN, filename)
			addFont(resolved_font, name, scale, is_replacement, render)
			#print "Font: ", resolved_font, name, scale, is_replacement

		fallbackFont = resolveFilename(SCOPE_FONTS, "fallback.font", path_prefix=path_prefix)
		if fileExists(fallbackFont):
			addFont(fallbackFont, "Fallback", 100, -1, 0)

		for alias in c.findall("alias"):
			get = alias.attrib.get
			try:
				name = get("name")
				font = get("font")
				size = int(get("size"))
				height = int(get("height", size)) # to be calculated some day
				width = int(get("width", size))
				global fonts
				fonts[name] = (font, size, height, width)
			except Exception, ex:
				print "[SKIN] bad font alias", ex

	for c in skin.findall("parameters"):
		for parameter in c.findall("parameter"):
			get = parameter.attrib.get
			try:
				name = get("name")
				value = get("value")
				if name.find('Font') != -1:
					font = value.split(";")
					if isinstance(font, list) and len(font) == 2:
						parameters[name] = (str(font[0]), int(font[1]))
				else:
					parameters[name] = map(parseParameter, value.split(","))
			except Exception, ex:
				print "[SKIN] bad parameter", ex

	for c in skin.findall("constant-widgets"):
		for constant_widget in c.findall("constant-widget"):
			get = constant_widget.attrib.get
			name = get("name")
			if name:
				constant_widgets[name] = constant_widget

	for c in skin.findall("variables"):
		for parameter in c.findall("variable"):
			get = parameter.attrib.get
			name = get("name")
			value = get("value")
			x, y = value.split(',')
			if value and name:
				variables[name] = str(x) + "," + str(y)

	for c in skin.findall("subtitles"):
		from enigma import eSubtitleWidget
		scale = ((1,1),(1,1))
		for substyle in c.findall("sub"):
			get_attr = substyle.attrib.get
			font = parseFont(get_attr("font"), scale)
			col = get_attr("foregroundColor")
			if col:
				foregroundColor = parseColor(col)
				haveColor = 1
			else:
				foregroundColor = gRGB(0xFFFFFF)
				haveColor = 0
			col = get_attr("borderColor")
			if col:
				borderColor = parseColor(col)
			else:
				borderColor = gRGB(0)
			borderwidth = get_attr("borderWidth")
			if borderwidth is None:
				# default: use a subtitle border
				borderWidth = 3
			else:
				borderWidth = int(borderwidth)
			face = eSubtitleWidget.__dict__[get_attr("name")]
			eSubtitleWidget.setFontStyle(face, font, haveColor, foregroundColor, borderColor, borderWidth)

	for windowstyle in skin.findall("windowstyle"):
		style = eWindowStyleSkinned()
		style_id = windowstyle.attrib.get("id")
		if style_id:
			style_id = int(style_id)
		else:
			style_id = 0
		# defaults
		font = gFont("Regular", 20)
		offset = eSize(20, 5)
		for title in windowstyle.findall("title"):
			get_attr = title.attrib.get
			offset = parseSize(get_attr("offset"), ((1,1),(1,1)))
			font = parseFont(get_attr("font"), ((1,1),(1,1)))

		style.setTitleFont(font)
		style.setTitleOffset(offset)
		#print "  ", font, offset
		for borderset in windowstyle.findall("borderset"):
			bsName = str(borderset.attrib.get("name"))
			for pixmap in borderset.findall("pixmap"):
				get_attr = pixmap.attrib.get
				bpName = get_attr("pos")
				filename = get_attr("filename")
				if filename and bpName:
					pngfile = resolveFilename(SCOPE_CURRENT_SKIN, filename, path_prefix=path_prefix)
					png = loadPixmap(pngfile, desktop)
					try:
						style.setPixmap(eWindowStyleSkinned.__dict__[bsName], eWindowStyleSkinned.__dict__[bpName], png)
					except:
						pass
				#print "  borderset:", bpName, filename
		for color in windowstyle.findall("color"):
			get_attr = color.attrib.get
			colorType = get_attr("name")
			color = parseColor(get_attr("color"))
			try:
				style.setColor(eWindowStyleSkinned.__dict__["col" + colorType], color)
			except:
				raise SkinError("Unknown color %s" % colorType)
				#pass
			#print "  color:", type, color
		x = eWindowStyleManager.getInstance()
		x.setStyle(style_id, style)
	for margin in skin.findall("margin"):
		style_id = margin.attrib.get("id")
		if style_id:
			style_id = int(style_id)
		else:
			style_id = 0
		r = eRect(0,0,0,0)
		v = margin.attrib.get("left")
		if v:
			r.setLeft(int(v))
		v = margin.attrib.get("top")
		if v:
			r.setTop(int(v))
		v = margin.attrib.get("right")
		if v:
			r.setRight(int(v))
		v = margin.attrib.get("bottom")
		if v:
			r.setBottom(int(v))
		# the "desktop" parameter is hardcoded to the UI screen, so we must ask
		# for the one that this actually applies to.
		getDesktop(style_id).setMargins(r)

dom_screens = {}
def loadSkin(name, scope = SCOPE_SKIN):
	# Now a utility for plugins to add skin data to the screens
	global dom_screens, display_skin_id, isVTISkin
	filename = resolveFilename(scope, name)
	if fileExists(filename):
		path = os.path.dirname(filename) + "/"
		file = open(filename, 'r')
		for elem in xml.etree.cElementTree.parse(file).getroot():
			if elem.tag == 'screen':
				name = elem.attrib.get('name', None)
				if name[:3].lower() == "vti":
					isVTISkin = True
				if name:
					sid = elem.attrib.get('id', None)
					if sid and (sid != display_skin_id):
						# not for this display
						elem.clear()
						continue
					if name in dom_screens:
						# Clear old versions, save memory
						dom_screens[name][0].clear()
					dom_screens[name] = (elem, path)
				else:
					elem.clear()
			else:
				elem.clear()
		file.close()

def loadSkinData(desktop):
	# Kinda hackish, but this is called once by mytest.py
	global isVTISkin
	global dom_skins
	skins = dom_skins[:]
	skins.reverse()
	for (path, dom_skin) in skins:
		loadSingleSkinData(desktop, dom_skin, path)
		for elem in dom_skin:
			if elem.tag == 'screen':
				name = elem.attrib.get('name', None)
				if name:
					if name[:3].lower() == "vti":
						isVTISkin = True
					sid = elem.attrib.get('id', None)
					if sid and (sid != display_skin_id):
						# not for this display
						elem.clear()
						continue
					if name in dom_screens:
						# Kill old versions, save memory
						dom_screens[name][0].clear()
					dom_screens[name] = (elem, path)
				else:
					# without name, it's useless!
					elem.clear()
			else:
				# non-screen element, no need for it any longer
				elem.clear()
	# no longer needed, we know where the screens are now.
	del dom_skins

class additionalWidget:
	def __init__(self):
		pass

# Class that makes a tuple look like something else. Some plugins just assume
# that size is a string and try to parse it. This class makes that work.
class SizeTuple(tuple):
	def split(self, *args):
		return str(self[0]), str(self[1])
	def strip(self, *args):
		return '%s,%s' % self
	def __str__(self):
		return '%s,%s' % self

class SkinContext:
	def __init__(self, parent=None, pos=None, size=None, font=None):
		if parent is not None:
			if pos is not None:
				pos, size = parent.parse(pos, size, font)
				self.x, self.y = pos
				self.w, self.h = size
			else:
				self.x = None #0	#none
				self.y = None #0	#none
				self.w = None #560	#none
				self.h = None #550	#none
	def __str__(self):
		return "Context (%s,%s)+(%s,%s) " % (self.x, self.y, self.w, self.h)
	def parse(self, pos, size, font):
		if size in variables:
			size = variables[size]
		if pos == "fill":
			pos = (self.x, self.y)
			size = (self.w, self.h)
			self.w = 0
			self.h = 0
		else:
			w,h = size.split(',')
			w = parseCoordinate(w, self.w, 0, font)
			h = parseCoordinate(h, self.h, 0, font)
			if pos == "bottom":
				pos = (self.x, self.y + self.h - h)
				size = (self.w, h)
				self.h -= h
			elif pos == "top":
				pos = (self.x, self.y)
				size = (self.w, h)
				self.h -= h
				self.y += h
			elif pos == "left":
				pos = (self.x, self.y)
				size = (w, self.h)
				self.x += w
				self.w -= w
			elif pos == "right":
				pos = (self.x + self.w - w, self.y)
				size = (w, self.h)
				self.w -= w
			else:
				if pos in variables:
					pos = variables[pos]
				size = (w, h)
				pos = pos.split(',')
				pos = (self.x + parseCoordinate(pos[0], self.w, size[0], font), self.y + parseCoordinate(pos[1], self.h, size[1], font))
		return SizeTuple(pos), SizeTuple(size)

class SkinContextStack(SkinContext):
	# A context that stacks things instead of aligning them
	def parse(self, pos, size, font):
		if size in variables:
			size = variables[size]
		if pos == "fill":
			pos = (self.x, self.y)
			size = (self.w, self.h)
		else:
			w,h = size.split(',')
			w = parseCoordinate(w, self.w, 0, font)
			h = parseCoordinate(h, self.h, 0, font)
			if pos == "bottom":
				pos = (self.x, self.y + self.h - h)
				size = (self.w, h)
			elif pos == "top":
				pos = (self.x, self.y)
				size = (self.w, h)
			elif pos == "left":
				pos = (self.x, self.y)
				size = (w, self.h)
			elif pos == "right":
				pos = (self.x + self.w - w, self.y)
				size = (w, self.h)
			else:
				if pos in variables:
					pos = variables[pos]
				size = (w, h)
				pos = pos.split(',')
				pos = (self.x + parseCoordinate(pos[0], self.w, size[0], font), self.y + parseCoordinate(pos[1], self.h, size[1], font))
		return SizeTuple(pos), SizeTuple(size)

def readSkin(screen, skin, names, desktop):
	if not isinstance(names, list):
		names = [names]

	# try all skins, first existing one have priority
	global dom_screens
	for n in names:
		myscreen, path = dom_screens.get(n, (None,None))
		if myscreen is not None:
			# use this name for debug output
			name = n
			break
	else:
		name = "<embedded-in-'%s'>" % screen.__class__.__name__

	# otherwise try embedded skin
	if myscreen is None:
		myscreen = getattr(screen, "parsedSkin", None)

	# try uncompiled embedded skin
	if myscreen is None and getattr(screen, "skin", None):
		skin = screen.skin
		print "[SKIN] Parsing embedded skin", name
		if isinstance(skin, tuple):
			for s in skin:
				candidate = xml.etree.cElementTree.fromstring(s)
				if candidate.tag == 'screen':
					sid = candidate.attrib.get('id', None)
					if (not sid) or (int(sid) == display_skin_id):
						myscreen = candidate
						break
			else:
				print "[SKIN] Hey, no suitable screen!"
		else:
			myscreen = xml.etree.cElementTree.fromstring(skin)
		if myscreen:
			screen.parsedSkin = myscreen
	if myscreen is None:
		print "[SKIN] No skin to read..."
		myscreen = screen.parsedSkin = xml.etree.cElementTree.fromstring("<screen></screen>")

	screen.skinAttributes = [ ]
	skin_path_prefix = getattr(screen, "skin_path", path)

	context = SkinContextStack()
	s = desktop.bounds()
	context.x = s.left()
	context.y = s.top()
	context.w = s.width()
	context.h = s.height()
	del s
	collectAttributes(screen.skinAttributes, myscreen, context, skin_path_prefix, ignore=("name",))
	context = SkinContext(context, myscreen.attrib.get('position'), myscreen.attrib.get('size'))

	screen.additionalWidgets = [ ]
	screen.renderer = [ ]
	visited_components = set()

	def process_constant_widget(constant_widget, context):
		get_attr = constant_widget.attrib.get
		wname = get_attr('name')
		if wname:
			try:
				cwvalue = constant_widgets[wname]
			except KeyError:
				if config.crash.skin_error_crash.value:
					print "[SKIN] ERROR - given constant-widget: '%s' not found in skin" % wname
				else:
					print "\033[91m[SKIN] ERROR - given constant-widget: '%s' not found in skin\033[0m" % wname
					return
		if cwvalue:
			for x in cwvalue:
				myscreen.append((x))
		try:
			myscreen.remove(constant_widget)
		except ValueError:
			pass

	# now walk all widgets and stuff
	def process_none(widget, context):
		pass

	def process_widget(widget, context):
		get_attr = widget.attrib.get
		# ok, we either have 1:1-mapped widgets ('old style'), or 1:n-mapped
		# widgets (source->renderer).
		wname = get_attr('name')
		wsource = get_attr('source')
		if wname is None and wsource is None:
			print "widget has no name and no source!"
			return
		if wname:
#			print "Widget name=", wname
			visited_components.add(wname)
			# get corresponding 'gui' object
			try:
				attributes = screen[wname].skinAttributes = [ ]
			except:
				print "component with name '" + wname + "' was not found in skin of screen '" + name + "'!"
			# assert screen[wname] is not Source
			collectAttributes(attributes, widget, context, skin_path_prefix, ignore=('name',))
		elif wsource:
			# get corresponding source
#			print "Widget source=", wsource
			while True: # until we found a non-obsolete source
				# parse our current "wsource", which might specifiy a "related screen" before the dot,
				# for example to reference a parent, global or session-global screen.
				scr = screen
				# resolve all path components
				path = wsource.split('.')
				while len(path) > 1:
					scr = screen.getRelatedScreen(path[0])
					if scr is None:
						#print wsource
						#print name
						print("specified related screen '" + wsource + "' was not found in screen '" + name + "'!")
					path = path[1:]
				# resolve the source.
				source = scr.get(path[0])
				if isinstance(source, ObsoleteSource):
					# however, if we found an "obsolete source", issue warning, and resolve the real source.
					print "WARNING: SKIN '%s' USES OBSOLETE SOURCE '%s', USE '%s' INSTEAD!" % (name, wsource, source.new_source)
					print "OBSOLETE SOURCE WILL BE REMOVED %s, PLEASE UPDATE!" % source.removal_date
					if source.description:
						print source.description
					wsource = source.new_source
				else:
					# otherwise, use that source.
					break

			if source is None:
				if config.crash.skin_error_crash.value:
					raise SkinError("source '" + wsource + "' was not found in screen '" + name + "'!")
				else:
					print("\033[91m[Skin] Error: Source '" + wsource + "' was not found in screen '" + name + "'!")

			wrender = get_attr('render')
			if not wrender:
				print("you must define a renderer with render= for source '%s'" % wsource)
			for converter in widget.findall("convert"):
				ctype = converter.get('type')
				assert ctype, "'convert'-tag needs a 'type'-attribute"
				#print "Converter:", ctype
				try:
					parms = converter.text.strip()
				except:
					parms = ""
				#print "Params:", parms
				try:
					converter_class = my_import('.'.join(("Components", "Converter", ctype))).__dict__.get(ctype)
				except ImportError:
					if config.crash.skin_error_crash.value:
						raise SkinError("[Skin] Error: Converter '%s' not found" % ctype)
					else:
						print("\033[91m[Skin] Error: Converter '%s' not found\033[0m" % ctype)
				c = None
				for i in source.downstream_elements:
					if isinstance(i, converter_class) and i.converter_arguments == parms:
						c = i
				if c is None:
					c = converter_class(parms)
					c.connect(source)
				source = c

			try:
				renderer_class = my_import('.'.join(("Components", "Renderer", wrender))).__dict__.get(wrender)
			except ImportError:
				if config.crash.skin_error_crash.value:
					raise SkinError("[Skin] Error: Renderer '%s' not found" % wrender)
				else:
					print("\033[91m[Skin] Error: Renderer '%s' not found\033[0m" % wrender)
					return
			renderer = renderer_class() # instantiate renderer
			renderer.connect(source) # connect to source
			attributes = renderer.skinAttributes = [ ]
			collectAttributes(attributes, widget, context, skin_path_prefix, ignore=('render', 'source'))
			screen.renderer.append(renderer)

	def process_applet(widget, context):
		try:
			codeText = widget.text.strip()
			widgetType = widget.attrib.get('type')
			code = compile(codeText, "skin applet", "exec")
		except Exception, ex:
			raise SkinError("applet failed to compile: " + str(ex))
		if widgetType == "onLayoutFinish":
			screen.onLayoutFinish.append(code)
		else:
			print("applet type '%s' unknown!" % widgetType)


	def process_elabel(widget, context):
		w = additionalWidget()
		w.widget = eLabel
		w.skinAttributes = [ ]
		collectAttributes(w.skinAttributes, widget, context, skin_path_prefix, ignore=('name',))
		screen.additionalWidgets.append(w)

	def process_epixmap(widget, context):
		w = additionalWidget()
		w.widget = ePixmap
		w.skinAttributes = [ ]
		collectAttributes(w.skinAttributes, widget, context, skin_path_prefix, ignore=('name',))
		screen.additionalWidgets.append(w)

	def process_screen(widget, context):
		def process(w):
			conditional = w.attrib.get('conditional')
			if conditional and not [i for i in conditional.split(",") if i in screen.keys()]:
				return
			objecttypes = w.attrib.get('objectTypes', '').split(",")
			if len(objecttypes) > 1 and (objecttypes[0] not in screen.keys() or not [i for i in objecttypes[1:] if i == screen[objecttypes[0]].__class__.__name__]):
				return
			p = processors.get(w.tag, process_none)
			try:
				p(w, context)
			except SkinError, e:
				print "[SKIN] SKIN ERROR in screen '%s' widget '%s':" % (name, w.tag), e

		cw = widget.findall("constant-widget")
		if cw:					#prozess non-openatv skins
			for w in cw:
				process(w)
			for w in myscreen.findall("widget"):
				process(w)
		for w in widget.getchildren():
			if cw and w.tag in ("constant-widget","widget"):	#for non-openatv skins
				continue
			process(w)

	def process_panel(widget, context):
		n = widget.attrib.get('name')
		if n:
			try:
				s = dom_screens.get(n, None)
				if s is None:
					print "[SKIN] Unable to find screen '%s' referred in screen '%s'" % (n, name)
					return
			except KeyError:
				print "[SKIN] Unable to find screen '%s' referred in screen '%s'" % (n, name)
			else:
				process_screen(s[0], context)
		layout = widget.attrib.get('layout')
		if layout == 'stack':
			cc = SkinContextStack
		else:
			cc = SkinContext
		try:
			c = cc(context, widget.attrib.get('position'), widget.attrib.get('size'), widget.attrib.get('font'))
		except Exception, ex:
			raise SkinError("Failed to create skincontext (%s,%s,%s) in %s: %s" % (widget.attrib.get('position'), widget.attrib.get('size'), widget.attrib.get('font'), context, ex) )
		process_screen(widget, c)

	processors = {
			None: process_none,
			"constant-widget": process_constant_widget,
			"widget": process_widget,
			"applet": process_applet,
			"eLabel": process_elabel,
			"ePixmap": process_epixmap,
			"panel": process_panel
	}

	try:
		print "[SKIN] processing screen %s:" % name
		context.x = 0 # reset offsets, all components are relative to screen
		context.y = 0 # coordinates.
		process_screen(myscreen, context)
	except Exception, e:
		print "[SKIN] SKIN ERROR in %s:" % name, e

	from Components.GUIComponent import GUIComponent
	nonvisited_components = [x for x in set(screen.keys()) - visited_components if isinstance(x, GUIComponent)]
	assert not nonvisited_components, "the following components in %s don't have a skin entry: %s" % (name, ', '.join(nonvisited_components))
	# This may look pointless, but it unbinds 'screen' from the nested scope. A better
	# solution is to avoid the nested scope above and use the context object to pass
	# things around.
	screen = None
	visited_components = None

def parseAvailableSkinColor(color):
	if color in colorNamesHuman:
		return colorNamesHuman[color]
	else:
		print "color %s ist not available at used skin" % color
		return None