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