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 from Tools.Directories import resolveFilename, SCOPE_SKIN, SCOPE_SKIN_IMAGE
  18
  19 # read the skin
  20 dom_skin = xml.dom.minidom.parse(resolveFilename(SCOPE_SKIN, 'skin.xml'))
  21 dom_skin_default = xml.dom.minidom.parse(resolveFilename(SCOPE_SKIN, 'skin_default.xml'))
  22
  23 def parsePosition(str):
  24         x, y = str.split(',')
  25         return ePoint(int(x), int(y))
  26
  27 def parseSize(str):
  28         x, y = str.split(',')
  29         return eSize(int(x), int(y))
  30
  31 def parseFont(str):
  32         name, size = str.split(';')
  33         return gFont(name, int(size))
  34
  35 def parseColor(str):
  36         if str[0] != '#':
  37                 try:
  38                         return colorNames[str]
  39                 except:
  40                         raise ("color '%s' must be #aarrggbb or valid named color" % (str))
  41         return gRGB(int(str[1:], 0x10))
  42
  43 def collectAttributes(skinAttributes, node):
  44         # walk all attributes
  45         for p in range(node.attributes.length):
  46                 a = node.attributes.item(p)
  47
  48                 # convert to string (was: unicode)
  49                 attrib = str(a.name)
  50                 # TODO: proper UTF8 translation?! (for value)
  51                 # TODO: localization? as in e1?
  52                 value = str(a.value)
  53
  54                 skinAttributes.append((attrib, value))
  55
  56 def applySingleAttribute(guiObject, desktop, attrib, value):
  57         # and set attributes
  58         try:
  59                 if attrib == 'position':
  60                         guiObject.move(parsePosition(value))
  61                 elif attrib == 'size':
  62                         guiObject.resize(parseSize(value))
  63                 elif attrib == 'title':
  64                         guiObject.setTitle(_(value))
  65                 elif attrib == 'text':
  66                         guiObject.setText(value)
  67                 elif attrib == 'font':
  68                         guiObject.setFont(parseFont(value))
  69                 elif attrib == 'zPosition':
  70                         guiObject.setZPosition(int(value))
  71                 elif attrib == "pixmap":
  72                         ptr = loadPNG(resolveFilename(SCOPE_SKIN_IMAGE, value))
  73                         # that __deref__ still scares me!
  74                         desktop.makeCompatiblePixmap(ptr.__deref__())
  75                         guiObject.setPixmap(ptr.__deref__())
  76                         # guiObject.setPixmapFromFile(value)
  77                 elif attrib == "alphatest": # used by ePixmap
  78                         guiObject.setAlphatest(
  79                                 { "on": True,
  80                                   "off": False
  81                                 }[value])
  82                 elif attrib == "orientation": # used by eSlider
  83                         try:
  84                                 guiObject.setOrientation(
  85                                         { "orVertical": guiObject.orVertical,
  86                                                 "orHorizontal": guiObject.orHorizontal
  87                                         }[value])
  88                         except KeyError:
  89                                 print "oprientation must be either orVertical or orHorizontal!"
  90                 elif attrib == "valign":
  91                         try:
  92                                 guiObject.setVAlign(
  93                                         { "top": guiObject.alignTop,
  94                                                 "center": guiObject.alignCenter,
  95                                                 "bottom": guiObject.alignBottom
  96                                         }[value])
  97                         except KeyError:
  98                                 print "valign must be either top, center or bottom!"
  99                 elif attrib == "halign":
 100                         try:
 101                                 guiObject.setHAlign(
 102                                         { "left": guiObject.alignLeft,
 103                                                 "center": guiObject.alignCenter,
 104                                                 "right": guiObject.alignRight,
 105                                                 "block": guiObject.alignBlock
 106                                         }[value])
 107                         except KeyError:
 108                                 print "halign must be either left, center, right or block!"
 109                 elif attrib == "flags":
 110                         flags = value.split(',')
 111                         for f in flags:
 112                                 try:
 113                                         fv = eWindow.__dict__[f]
 114                                         guiObject.setFlag(fv)
 115                                 except KeyError:
 116                                         print "illegal flag %s!" % f
 117                 elif attrib == "backgroundColor":
 118                         guiObject.setBackgroundColor(parseColor(value))
 119                 elif attrib == "foregroundColor":
 120                         guiObject.setForegroundColor(parseColor(value))
 121                 elif attrib == "selectionDisabled":
 122                         guiObject.setSelectionEnable(0)
 123                 elif attrib == "transparent":
 124                         guiObject.setTransparent(int(value))
 125                 elif attrib == "borderColor":
 126                         guiObject.setBorderColor(parseColor(value))
 127                 elif attrib == "borderWidth":
 128                         guiObject.setBorderWidth(int(value))
 129                 elif attrib == "scrollbarMode":
 130                         guiObject.setScrollbarMode(
 131                                 { "showOnDemand": guiObject.showOnDemand,
 132                                         "showAlways": guiObject.showAlways,
 133                                         "showNever": guiObject.showNever
 134                                 }[value])
 135                 elif attrib == "enableWrapAround":
 136                         guiObject.setWrapAround(True)
 137                 elif attrib == "pointer":
 138                         (name, pos) = value.split(':')
 139                         pos = parsePosition(pos)
 140                         ptr = loadPNG(resolveFilename(SCOPE_SKIN_IMAGE, name))
 141                         desktop.makeCompatiblePixmap(ptr.__deref__())
 142                         guiObject.setPointer(ptr.__deref__(), pos)
 143                 elif attrib != 'name':
 144                         print "unsupported attribute " + attrib + "=" + value
 145         except int:
 146 # AttributeError:
 147                 print "widget %s (%s) doesn't support attribute %s!" % ("", guiObject.__class__.__name__, attrib)
 148
 149 def applyAllAttributes(guiObject, desktop, attributes):
 150         for (attrib, value) in attributes:
 151                 applySingleAttribute(guiObject, desktop, attrib, value)
 152
 153 def loadSkin(desktop):
 154         print "loading skin..."
 155
 156         skin = dom_skin.childNodes[0]
 157         assert skin.tagName == "skin", "root element in skin must be 'skin'!"
 158
 159         for c in elementsWithTag(skin.childNodes, "colors"):
 160                 for color in elementsWithTag(c.childNodes, "color"):
 161                         name = str(color.getAttribute("name"))
 162                         color = str(color.getAttribute("value"))
 163
 164                         if not len(color):
 165                                 raise ("need color and name, got %s %s" % (name, color))
 166
 167                         colorNames[name] = parseColor(color)
 168
 169         for windowstyle in elementsWithTag(skin.childNodes, "windowstyle"):
 170                 style = eWindowStyleSkinned()
 171
 172                 style.setTitleFont(gFont("Regular", 20));
 173                 style.setTitleOffset(eSize(20, 5));
 174
 175                 for borderset in elementsWithTag(windowstyle.childNodes, "borderset"):
 176                         bsName = str(borderset.getAttribute("name"))
 177                         for pixmap in elementsWithTag(borderset.childNodes, "pixmap"):
 178                                 bpName = str(pixmap.getAttribute("pos"))
 179                                 filename = str(pixmap.getAttribute("filename"))
 180
 181                                 png = loadPNG(resolveFilename(SCOPE_SKIN_IMAGE, filename))
 182
 183                                 # adapt palette
 184                                 desktop.makeCompatiblePixmap(png.__deref__())
 185                                 style.setPixmap(eWindowStyleSkinned.__dict__[bsName], eWindowStyleSkinned.__dict__[bpName], png.__deref__())
 186
 187                 for color in elementsWithTag(windowstyle.childNodes, "color"):
 188                         type = str(color.getAttribute("name"))
 189                         color = parseColor(color.getAttribute("color"))
 190
 191                         try:
 192                                 style.setColor(eWindowStyleSkinned.__dict__["col" + type], color)
 193                         except:
 194                                 raise ("Unknown color %s" % (type))
 195
 196                 x = eWindowStyleManagerPtr()
 197                 eWindowStyleManager.getInstance(x)
 198                 x.setStyle(style)
 199
 200 def readSkin(screen, skin, name, desktop):
 201         myscreen = None
 202
 203         # first, find the corresponding screen element
 204         skin = dom_skin.childNodes[0]
 205         skin_default = dom_skin_default.childNodes[0]
 206
 207         for x in elementsWithTag(skin.childNodes, "screen"):
 208                 if x.getAttribute('name') == name:
 209                         myscreen = x
 210                         break
 211
 212         # if not found, check default skin
 213         if myscreen is None:
 214                 for x in elementsWithTag(skin_default.childNodes, "screen"):
 215                         if x.getAttribute('name') == name:
 216                                 myscreen = x
 217                                 break
 218
 219         del skin, skin_default
 220
 221         # otherwise try embedded skin
 222         myscreen = myscreen or getattr(screen, "parsedSkin", None)
 223
 224         # try uncompiled embedded skin
 225         if myscreen is None and getattr(screen, "skin", None):
 226                 myscreen = screen.parsedSkin = xml.dom.minidom.parseString(screen.skin).childNodes[0]
 227
 228         assert myscreen is not None, "no skin for screen '" + name + "' found!"
 229
 230         screen.skinAttributes = [ ]
 231         collectAttributes(screen.skinAttributes, myscreen)
 232
 233         screen.additionalWidgets = [ ]
 234
 235         # now walk all widgets
 236         for widget in elementsWithTag(myscreen.childNodes, "widget"):
 237                 wname = widget.getAttribute('name')
 238                 if wname == None:
 239                         print "widget has no name!"
 240                         continue
 241
 242                 # get corresponding gui object
 243                 try:
 244                         attributes = screen[wname].skinAttributes = [ ]
 245                 except:
 246                         raise str("component with name '" + wname + "' was not found in skin of screen '" + name + "'!")
 247
 248                 collectAttributes(attributes, widget)
 249
 250         # now walk additional objects
 251         for widget in elementsWithTag(myscreen.childNodes, lambda x: x != "widget"):
 252                 if widget.tagName == "applet":
 253                         codeText = mergeText(widget.childNodes).strip()
 254                         type = widget.getAttribute('type')
 255
 256                         code = compile(codeText, "skin applet", "exec")
 257
 258                         if type == "onLayoutFinish":
 259                                 screen.onLayoutFinish.append(code)
 260                         else:
 261                                 raise str("applet type '%s' unknown!" % type)
 262
 263                         continue
 264
 265                 class additionalWidget:
 266                         pass
 267
 268                 w = additionalWidget()
 269
 270                 if widget.tagName == "eLabel":
 271                         w.widget = eLabel
 272                 elif widget.tagName == "ePixmap":
 273                         w.widget = ePixmap
 274                 else:
 275                         raise str("unsupported stuff : %s" % widget.tagName)
 276
 277                 w.skinAttributes = [ ]
 278                 collectAttributes(w.skinAttributes, widget)
 279
 280                 # applyAttributes(guiObject, widget, desktop)
 281                 # guiObject.thisown = 0
 282                 screen.additionalWidgets.append(w)