skin.py

   1 from enigma import *
   2 import xml.dom.minidom
   3 from xml.dom import EMPTY_NAMESPACE
   4
   5 from Tools.XMLTools import elementsWithTag, mergeText
   6
   7 colorNames = dict()
   8
   9 def dump(x, i=0):
  10         print " " * i + str(x)
  11         try:
  12                 for n in x.childNodes:
  13                         dump(n, i + 1)
  14         except:
  15                 None
  16
  17 # read the skin
  18 try:
  19         # first we search in the current path
  20         skinfile = file('data/skin.xml', 'r')
  21 except:
  22         # if not found in the current path, we use the global datadir-path
  23         skinfile = file('/usr/share/enigma2/skin.xml', 'r')
  24 dom = xml.dom.minidom.parseString(skinfile.read())
  25 skinfile.close()
  26
  27
  28 def parsePosition(str):
  29         x, y = str.split(',')
  30         return ePoint(int(x), int(y))
  31
  32 def parseSize(str):
  33         x, y = str.split(',')
  34         return eSize(int(x), int(y))
  35
  36 def parseFont(str):
  37         name, size = str.split(';')
  38         return gFont(name, int(size))
  39
  40 def parseColor(str):
  41         if str[0] != '#':
  42                 try:
  43                         return colorNames[str]
  44                 except:
  45                         raise ("color '%s' must be #aarrggbb or valid named color" % (str))
  46         return gRGB(int(str[1:], 0x10))
  47
  48 def collectAttributes(skinAttributes, node):
  49         # walk all attributes
  50         for p in range(node.attributes.length):
  51                 a = node.attributes.item(p)
  52
  53                 # convert to string (was: unicode)
  54                 attrib = str(a.name)
  55                 # TODO: proper UTF8 translation?! (for value)
  56                 # TODO: localization? as in e1?
  57                 value = str(a.value)
  58
  59                 skinAttributes.append((attrib, value))
  60
  61 def applySingleAttribute(guiObject, desktop, attrib, value):
  62         # and set attributes
  63         try:
  64                 if attrib == 'position':
  65                         guiObject.move(parsePosition(value))
  66                 elif attrib == 'size':
  67                         guiObject.resize(parseSize(value))
  68                 elif attrib == 'title':
  69                         guiObject.setTitle(value)
  70                 elif attrib == 'text':
  71                         guiObject.setText(value)
  72                 elif attrib == 'font':
  73                         guiObject.setFont(parseFont(value))
  74                 elif attrib == "pixmap":
  75                         ptr = gPixmapPtr()
  76                         if loadPNG(ptr, value):
  77                                 raise "loading PNG failed!"
  78                         x = ptr
  79                         ptr = ptr.__deref__()
  80                         desktop.makeCompatiblePixmap(ptr)
  81                         guiObject.setPixmap(ptr)
  82                         # guiObject.setPixmapFromFile(value)
  83                 elif attrib == "valign":
  84                         try:
  85                                 guiObject.setVAlign(
  86                                         { "top": guiObject.alignTop,
  87                                                 "center": guiObject.alignCenter,
  88                                                 "bottom": guiObject.alignBottom
  89                                         }[value])
  90                         except KeyError:
  91                                 print "valign must be either top, center or bottom!"
  92                 elif attrib == "halign":
  93                         try:
  94                                 guiObject.setHAlign(
  95                                         { "left": guiObject.alignLeft,
  96                                                 "center": guiObject.alignCenter,
  97                                                 "right": guiObject.alignRight,
  98                                                 "block": guiObject.alignBlock
  99                                         }[value])
 100                         except KeyError:
 101                                 print "halign must be either left, center, right or block!"
 102                 elif attrib == "flags":
 103                         flags = value.split(',')
 104                         for f in flags:
 105                                 try:
 106                                         fv = eWindow.__dict__[f]
 107                                         guiObject.setFlag(fv)
 108                                 except KeyError:
 109                                         print "illegal flag %s!" % f
 110                 elif attrib == "backgroundColor":
 111                         guiObject.setBackgroundColor(parseColor(value))
 112                 elif attrib == "foregroundColor":
 113                         guiObject.setForegroundColor(parseColor(value))
 114                 elif attrib != 'name':
 115                         print "unsupported attribute " + attrib + "=" + value
 116         except int:
 117 # AttributeError:
 118                 print "widget %s (%s) doesn't support attribute %s!" % ("", guiObject.__class__.__name__, attrib)
 119
 120 def applyAllAttributes(guiObject, desktop, attributes):
 121         for (attrib, value) in attributes:
 122                 applySingleAttribute(guiObject, desktop, attrib, value)
 123
 124 def loadSkin(desktop):
 125         print "loading skin..."
 126
 127         def getPNG(x):
 128                 g = gPixmapPtr()
 129                 loadPNG(g, x)
 130                 g = g.grabRef()
 131                 return g
 132
 133         skin = dom.childNodes[0]
 134         assert skin.tagName == "skin", "root element in skin must be 'skin'!"
 135
 136         for c in elementsWithTag(skin.childNodes, "colors"):
 137                 for color in elementsWithTag(c.childNodes, "color"):
 138                         name = str(color.getAttribute("name"))
 139                         color = str(color.getAttribute("value"))
 140
 141                         if not len(color):
 142                                 raise ("need color and name, got %s %s" % (name, color))
 143
 144                         colorNames[name] = parseColor(color)
 145
 146         for windowstyle in elementsWithTag(skin.childNodes, "windowstyle"):
 147                 style = eWindowStyleSkinned()
 148
 149                 for borderset in elementsWithTag(windowstyle.childNodes, "borderset"):
 150                         bsName = str(borderset.getAttribute("name"))
 151                         for pixmap in elementsWithTag(borderset.childNodes, "pixmap"):
 152                                 bpName = str(pixmap.getAttribute("pos"))
 153                                 filename = str(pixmap.getAttribute("filename"))
 154
 155                                 png = getPNG(filename)
 156
 157                                 # adapt palette
 158                                 desktop.makeCompatiblePixmap(png)
 159                                 style.setPixmap(eWindowStyleSkinned.__dict__[bsName], eWindowStyleSkinned.__dict__[bpName], png)
 160
 161                 for color in elementsWithTag(windowstyle.childNodes, "color"):
 162                         type = str(color.getAttribute("name"))
 163                         color = parseColor(color.getAttribute("color"))
 164
 165                         try:
 166                                 style.setColor(eWindowStyleSkinned.__dict__["col" + type], color)
 167                         except:
 168                                 raise ("Unknown color %s" % (type))
 169
 170                 x = eWindowStyleManagerPtr()
 171                 eWindowStyleManager.getInstance(x)
 172                 x.setStyle(style)
 173
 174 def readSkin(screen, skin, name, desktop):
 175         myscreen = None
 176
 177         # first, find the corresponding screen element
 178         skin = dom.childNodes[0]
 179
 180         for x in elementsWithTag(skin.childNodes, "screen"):
 181                 if x.getAttribute('name') == name:
 182                         myscreen = x
 183         del skin
 184
 185         assert myscreen != None, "no skin for screen '" + name + "' found!"
 186
 187         screen.skinAttributes = [ ]
 188         collectAttributes(screen.skinAttributes, myscreen)
 189
 190         screen.additionalWidgets = [ ]
 191
 192         # now walk all widgets
 193         for widget in elementsWithTag(myscreen.childNodes, "widget"):
 194                 wname = widget.getAttribute('name')
 195                 if wname == None:
 196                         print "widget has no name!"
 197                         continue
 198
 199                 # get corresponding gui object
 200                 try:
 201                         attributes = screen[wname].skinAttributes = [ ]
 202                 except:
 203                         raise str("component with name '" + wname + "' was not found in skin of screen '" + name + "'!")
 204
 205                 collectAttributes(attributes, widget)
 206
 207         # now walk additional objects
 208         for widget in elementsWithTag(myscreen.childNodes, lambda x: x != "widget"):
 209                 if widget.tagName == "applet":
 210                         codeText = mergeText(widget.childNodes).strip()
 211                         type = widget.getAttribute('type')
 212
 213                         code = compile(codeText, "skin applet", "exec")
 214
 215                         if type == "onLayoutFinish":
 216                                 screen.onLayoutFinish.append(code)
 217                         else:
 218                                 raise str("applet type '%s' unknown!" % type)
 219
 220                         continue
 221
 222                 class additionalWidget:
 223                         pass
 224
 225                 w = additionalWidget()
 226
 227                 if widget.tagName == "eLabel":
 228                         w.widget = eLabel
 229                 elif widget.tagName == "ePixmap":
 230                         w.widget = ePixmap
 231                 else:
 232                         raise str("unsupported stuff : %s" % widget.tagName)
 233
 234                 w.skinAttributes = [ ]
 235                 collectAttributes(w.skinAttributes, widget)
 236
 237                 # applyAttributes(guiObject, widget, desktop)
 238                 # guiObject.thisown = 0
 239                 print screen.additionalWidgets
 240                 screen.additionalWidgets.append(w)