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 == 'zPosition':
  75                         guiObject.setZPosition(value)
  76                 elif attrib == "pixmap":
  77                         ptr = gPixmapPtr()
  78                         if loadPNG(ptr, value):
  79                                 raise "loading PNG failed!"
  80                         x = ptr
  81                         ptr = ptr.__deref__()
  82                         desktop.makeCompatiblePixmap(ptr)
  83                         guiObject.setPixmap(ptr)
  84                         # guiObject.setPixmapFromFile(value)
  85                 elif attrib == "orientation": # used by eSlider
  86                         try:
  87                                 guiObject.setOrientation(
  88                                         { "orVertical": guiObject.orVertical,
  89                                                 "orHorizontal": guiObject.orHorizontal
  90                                         }[value])
  91                         except KeyError:
  92                                 print "oprientation must be either orVertical or orHorizontal!"
  93                 elif attrib == "valign":
  94                         try:
  95                                 guiObject.setVAlign(
  96                                         { "top": guiObject.alignTop,
  97                                                 "center": guiObject.alignCenter,
  98                                                 "bottom": guiObject.alignBottom
  99                                         }[value])
 100                         except KeyError:
 101                                 print "valign must be either top, center or bottom!"
 102                 elif attrib == "halign":
 103                         try:
 104                                 guiObject.setHAlign(
 105                                         { "left": guiObject.alignLeft,
 106                                                 "center": guiObject.alignCenter,
 107                                                 "right": guiObject.alignRight,
 108                                                 "block": guiObject.alignBlock
 109                                         }[value])
 110                         except KeyError:
 111                                 print "halign must be either left, center, right or block!"
 112                 elif attrib == "flags":
 113                         flags = value.split(',')
 114                         for f in flags:
 115                                 try:
 116                                         fv = eWindow.__dict__[f]
 117                                         guiObject.setFlag(fv)
 118                                 except KeyError:
 119                                         print "illegal flag %s!" % f
 120                 elif attrib == "backgroundColor":
 121                         guiObject.setBackgroundColor(parseColor(value))
 122                 elif attrib == "foregroundColor":
 123                         guiObject.setForegroundColor(parseColor(value))
 124                 elif attrib != 'name':
 125                         print "unsupported attribute " + attrib + "=" + value
 126         except int:
 127 # AttributeError:
 128                 print "widget %s (%s) doesn't support attribute %s!" % ("", guiObject.__class__.__name__, attrib)
 129
 130 def applyAllAttributes(guiObject, desktop, attributes):
 131         for (attrib, value) in attributes:
 132                 applySingleAttribute(guiObject, desktop, attrib, value)
 133
 134 def loadSkin(desktop):
 135         print "loading skin..."
 136
 137         def getPNG(x):
 138                 g = gPixmapPtr()
 139                 loadPNG(g, x)
 140                 g = g.grabRef()
 141                 return g
 142
 143         skin = dom.childNodes[0]
 144         assert skin.tagName == "skin", "root element in skin must be 'skin'!"
 145
 146         for c in elementsWithTag(skin.childNodes, "colors"):
 147                 for color in elementsWithTag(c.childNodes, "color"):
 148                         name = str(color.getAttribute("name"))
 149                         color = str(color.getAttribute("value"))
 150
 151                         if not len(color):
 152                                 raise ("need color and name, got %s %s" % (name, color))
 153
 154                         colorNames[name] = parseColor(color)
 155
 156         for windowstyle in elementsWithTag(skin.childNodes, "windowstyle"):
 157                 style = eWindowStyleSkinned()
 158
 159                 style.setTitleFont(gFont("Arial", 20));
 160                 style.setTitleOffset(eSize(20, 5));
 161
 162                 for borderset in elementsWithTag(windowstyle.childNodes, "borderset"):
 163                         bsName = str(borderset.getAttribute("name"))
 164                         for pixmap in elementsWithTag(borderset.childNodes, "pixmap"):
 165                                 bpName = str(pixmap.getAttribute("pos"))
 166                                 filename = str(pixmap.getAttribute("filename"))
 167
 168                                 png = getPNG(filename)
 169
 170                                 # adapt palette
 171                                 desktop.makeCompatiblePixmap(png)
 172                                 style.setPixmap(eWindowStyleSkinned.__dict__[bsName], eWindowStyleSkinned.__dict__[bpName], png)
 173
 174                 for color in elementsWithTag(windowstyle.childNodes, "color"):
 175                         type = str(color.getAttribute("name"))
 176                         color = parseColor(color.getAttribute("color"))
 177
 178                         try:
 179                                 style.setColor(eWindowStyleSkinned.__dict__["col" + type], color)
 180                         except:
 181                                 raise ("Unknown color %s" % (type))
 182
 183                 x = eWindowStyleManagerPtr()
 184                 eWindowStyleManager.getInstance(x)
 185                 x.setStyle(style)
 186
 187 def readSkin(screen, skin, name, desktop):
 188         myscreen = None
 189
 190         # first, find the corresponding screen element
 191         skin = dom.childNodes[0]
 192
 193         for x in elementsWithTag(skin.childNodes, "screen"):
 194                 if x.getAttribute('name') == name:
 195                         myscreen = x
 196         del skin
 197
 198         if myscreen is None:
 199                 # try embedded skin
 200                 print screen.__dict__
 201                 if "parsedSkin" in screen.__dict__:
 202                         myscreen = screen.parsedSkin
 203                 elif "skin" in screen.__dict__:
 204                         myscreen = screen.parsedSkin = xml.dom.minidom.parseString(screen.skin).childNodes[0]
 205
 206         assert myscreen is not None, "no skin for screen '" + name + "' found!"
 207
 208         screen.skinAttributes = [ ]
 209         collectAttributes(screen.skinAttributes, myscreen)
 210
 211         screen.additionalWidgets = [ ]
 212
 213         # now walk all widgets
 214         for widget in elementsWithTag(myscreen.childNodes, "widget"):
 215                 wname = widget.getAttribute('name')
 216                 if wname == None:
 217                         print "widget has no name!"
 218                         continue
 219
 220                 # get corresponding gui object
 221                 try:
 222                         attributes = screen[wname].skinAttributes = [ ]
 223                 except:
 224                         raise str("component with name '" + wname + "' was not found in skin of screen '" + name + "'!")
 225
 226                 collectAttributes(attributes, widget)
 227
 228         # now walk additional objects
 229         for widget in elementsWithTag(myscreen.childNodes, lambda x: x != "widget"):
 230                 if widget.tagName == "applet":
 231                         codeText = mergeText(widget.childNodes).strip()
 232                         type = widget.getAttribute('type')
 233
 234                         code = compile(codeText, "skin applet", "exec")
 235
 236                         if type == "onLayoutFinish":
 237                                 screen.onLayoutFinish.append(code)
 238                         else:
 239                                 raise str("applet type '%s' unknown!" % type)
 240
 241                         continue
 242
 243                 class additionalWidget:
 244                         pass
 245
 246                 w = additionalWidget()
 247
 248                 if widget.tagName == "eLabel":
 249                         w.widget = eLabel
 250                 elif widget.tagName == "ePixmap":
 251                         w.widget = ePixmap
 252                 else:
 253                         raise str("unsupported stuff : %s" % widget.tagName)
 254
 255                 w.skinAttributes = [ ]
 256                 collectAttributes(w.skinAttributes, widget)
 257
 258                 # applyAttributes(guiObject, widget, desktop)
 259                 # guiObject.thisown = 0
 260                 screen.additionalWidgets.append(w)