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 dom_skins = [ ]
  20
  21 def loadSkin(name):
  22         # read the skin
  23         dom_skins.append(xml.dom.minidom.parse(resolveFilename(SCOPE_SKIN, name)))
  24
  25 loadSkin('skin.xml')
  26 loadSkin('skin_default.xml')
  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, skin_path_prefix=None):
  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: localization? as in e1?
  56                 value = a.value.encode("utf-8")
  57
  58                 if skin_path_prefix and attrib in ["pixmap", "pointer"] and len(value) and value[0:2] == "~/":
  59                         value = skin_path_prefix + value[1:]
  60
  61                 skinAttributes.append((attrib, value))
  62
  63 def loadPixmap(path):
  64         ptr = loadPNG(path)
  65         if ptr is None:
  66                 raise "pixmap file %s not found!" % (path)
  67         return ptr
  68
  69 def applySingleAttribute(guiObject, desktop, attrib, value):
  70         # and set attributes
  71         try:
  72                 if attrib == 'position':
  73                         guiObject.move(parsePosition(value))
  74                 elif attrib == 'size':
  75                         guiObject.resize(parseSize(value))
  76                 elif attrib == 'title':
  77                         guiObject.setTitle(_(value))
  78                 elif attrib == 'text':
  79                         guiObject.setText(value)
  80                 elif attrib == 'font':
  81                         guiObject.setFont(parseFont(value))
  82                 elif attrib == 'zPosition':
  83                         guiObject.setZPosition(int(value))
  84                 elif attrib == "pixmap":
  85                         ptr = loadPixmap(resolveFilename(SCOPE_SKIN_IMAGE, value))
  86                         # that __deref__ still scares me!
  87 #                       desktop.makeCompatiblePixmap(ptr.__deref__())
  88                         guiObject.setPixmap(ptr.__deref__())
  89                         # guiObject.setPixmapFromFile(value)
  90                 elif attrib == "alphatest": # used by ePixmap
  91                         guiObject.setAlphatest(
  92                                 { "on": True,
  93                                   "off": False
  94                                 }[value])
  95                 elif attrib == "orientation": # used by eSlider
  96                         try:
  97                                 guiObject.setOrientation(
  98                                         { "orVertical": guiObject.orVertical,
  99                                                 "orHorizontal": guiObject.orHorizontal
 100                                         }[value])
 101                         except KeyError:
 102                                 print "oprientation must be either orVertical or orHorizontal!"
 103                 elif attrib == "valign":
 104                         try:
 105                                 guiObject.setVAlign(
 106                                         { "top": guiObject.alignTop,
 107                                                 "center": guiObject.alignCenter,
 108                                                 "bottom": guiObject.alignBottom
 109                                         }[value])
 110                         except KeyError:
 111                                 print "valign must be either top, center or bottom!"
 112                 elif attrib == "halign":
 113                         try:
 114                                 guiObject.setHAlign(
 115                                         { "left": guiObject.alignLeft,
 116                                                 "center": guiObject.alignCenter,
 117                                                 "right": guiObject.alignRight,
 118                                                 "block": guiObject.alignBlock
 119                                         }[value])
 120                         except KeyError:
 121                                 print "halign must be either left, center, right or block!"
 122                 elif attrib == "flags":
 123                         flags = value.split(',')
 124                         for f in flags:
 125                                 try:
 126                                         fv = eWindow.__dict__[f]
 127                                         guiObject.setFlag(fv)
 128                                 except KeyError:
 129                                         print "illegal flag %s!" % f
 130                 elif attrib == "backgroundColor":
 131                         guiObject.setBackgroundColor(parseColor(value))
 132                 elif attrib == "foregroundColor":
 133                         guiObject.setForegroundColor(parseColor(value))
 134                 elif attrib == "shadowColor":
 135                         guiObject.setShadowColor(parseColor(value))
 136                 elif attrib == "selectionDisabled":
 137                         guiObject.setSelectionEnable(0)
 138                 elif attrib == "transparent":
 139                         guiObject.setTransparent(int(value))
 140                 elif attrib == "borderColor":
 141                         guiObject.setBorderColor(parseColor(value))
 142                 elif attrib == "borderWidth":
 143                         guiObject.setBorderWidth(int(value))
 144                 elif attrib == "scrollbarMode":
 145                         guiObject.setScrollbarMode(
 146                                 { "showOnDemand": guiObject.showOnDemand,
 147                                         "showAlways": guiObject.showAlways,
 148                                         "showNever": guiObject.showNever
 149                                 }[value])
 150                 elif attrib == "enableWrapAround":
 151                         guiObject.setWrapAround(True)
 152                 elif attrib == "pointer":
 153                         (name, pos) = value.split(':')
 154                         pos = parsePosition(pos)
 155                         ptr = loadPixmap(resolveFilename(SCOPE_SKIN_IMAGE, name))
 156                         desktop.makeCompatiblePixmap(ptr.__deref__())
 157                         guiObject.setPointer(ptr.__deref__(), pos)
 158                 elif attrib == 'shadowOffset':
 159                         guiObject.setShadowOffset(parsePosition(value))
 160                 elif attrib != 'name':
 161                         print "unsupported attribute " + attrib + "=" + value
 162
 163         except int:
 164 # AttributeError:
 165                 print "widget %s (%s) doesn't support attribute %s!" % ("", guiObject.__class__.__name__, attrib)
 166
 167 def applyAllAttributes(guiObject, desktop, attributes):
 168         for (attrib, value) in attributes:
 169                 applySingleAttribute(guiObject, desktop, attrib, value)
 170
 171 def loadSingleSkinData(desktop, dom_skin):
 172         """loads skin data like colors, windowstyle etc."""
 173
 174         skin = dom_skin.childNodes[0]
 175         assert skin.tagName == "skin", "root element in skin must be 'skin'!"
 176
 177         for c in elementsWithTag(skin.childNodes, "colors"):
 178                 for color in elementsWithTag(c.childNodes, "color"):
 179                         name = str(color.getAttribute("name"))
 180                         color = str(color.getAttribute("value"))
 181
 182                         if not len(color):
 183                                 raise ("need color and name, got %s %s" % (name, color))
 184
 185                         colorNames[name] = parseColor(color)
 186
 187         for windowstyle in elementsWithTag(skin.childNodes, "windowstyle"):
 188                 style = eWindowStyleSkinned()
 189
 190                 # defaults
 191                 font = gFont("Regular", 20)
 192                 offset = eSize(20, 5)
 193
 194                 for title in elementsWithTag(windowstyle.childNodes, "title"):
 195                         offset = parseSize(title.getAttribute("offset"))
 196                         font = parseFont(str(title.getAttribute("font")))
 197
 198                 style.setTitleFont(font);
 199                 style.setTitleOffset(offset)
 200
 201                 for borderset in elementsWithTag(windowstyle.childNodes, "borderset"):
 202                         bsName = str(borderset.getAttribute("name"))
 203                         for pixmap in elementsWithTag(borderset.childNodes, "pixmap"):
 204                                 bpName = str(pixmap.getAttribute("pos"))
 205                                 filename = str(pixmap.getAttribute("filename"))
 206
 207                                 png = loadPixmap(resolveFilename(SCOPE_SKIN_IMAGE, filename))
 208
 209                                 # adapt palette
 210                                 desktop.makeCompatiblePixmap(png.__deref__())
 211                                 style.setPixmap(eWindowStyleSkinned.__dict__[bsName], eWindowStyleSkinned.__dict__[bpName], png.__deref__())
 212
 213                 for color in elementsWithTag(windowstyle.childNodes, "color"):
 214                         type = str(color.getAttribute("name"))
 215                         color = parseColor(color.getAttribute("color"))
 216
 217                         try:
 218                                 style.setColor(eWindowStyleSkinned.__dict__["col" + type], color)
 219                         except:
 220                                 raise ("Unknown color %s" % (type))
 221
 222                 x = eWindowStyleManagerPtr()
 223                 eWindowStyleManager.getInstance(x)
 224                 x.setStyle(style)
 225
 226 def loadSkinData(desktop):
 227         for dom_skin in dom_skins:
 228                 loadSingleSkinData(desktop, dom_skin)
 229
 230 def lookupScreen(name):
 231         for dom_skin in dom_skins:
 232                 # first, find the corresponding screen element
 233                 skin = dom_skin.childNodes[0]
 234                 for x in elementsWithTag(skin.childNodes, "screen"):
 235                         if x.getAttribute('name') == name:
 236                                 return x
 237         return None
 238
 239 def readSkin(screen, skin, name, desktop):
 240         myscreen = lookupScreen(name)
 241
 242         # otherwise try embedded skin
 243         myscreen = myscreen or getattr(screen, "parsedSkin", None)
 244
 245         # try uncompiled embedded skin
 246         if myscreen is None and getattr(screen, "skin", None):
 247                 myscreen = screen.parsedSkin = xml.dom.minidom.parseString(screen.skin).childNodes[0]
 248
 249         assert myscreen is not None, "no skin for screen '" + name + "' found!"
 250
 251         screen.skinAttributes = [ ]
 252
 253         skin_path_prefix = getattr(screen, "skin_path", None)
 254
 255         collectAttributes(screen.skinAttributes, myscreen, skin_path_prefix)
 256
 257         screen.additionalWidgets = [ ]
 258
 259         # now walk all widgets
 260         for widget in elementsWithTag(myscreen.childNodes, "widget"):
 261                 wname = widget.getAttribute('name')
 262                 if wname == None:
 263                         print "widget has no name!"
 264                         continue
 265
 266                 # get corresponding gui object
 267                 try:
 268                         attributes = screen[wname].skinAttributes = [ ]
 269                 except:
 270                         raise str("component with name '" + wname + "' was not found in skin of screen '" + name + "'!")
 271
 272                 collectAttributes(attributes, widget, skin_path_prefix)
 273
 274         # now walk additional objects
 275         for widget in elementsWithTag(myscreen.childNodes, lambda x: x != "widget"):
 276                 if widget.tagName == "applet":
 277                         codeText = mergeText(widget.childNodes).strip()
 278                         type = widget.getAttribute('type')
 279
 280                         code = compile(codeText, "skin applet", "exec")
 281
 282                         if type == "onLayoutFinish":
 283                                 screen.onLayoutFinish.append(code)
 284                         else:
 285                                 raise str("applet type '%s' unknown!" % type)
 286
 287                         continue
 288
 289                 class additionalWidget:
 290                         pass
 291
 292                 w = additionalWidget()
 293
 294                 if widget.tagName == "eLabel":
 295                         w.widget = eLabel
 296                 elif widget.tagName == "ePixmap":
 297                         w.widget = ePixmap
 298                 else:
 299                         raise str("unsupported stuff : %s" % widget.tagName)
 300
 301                 w.skinAttributes = [ ]
 302                 collectAttributes(w.skinAttributes, widget, skin_path_prefix)
 303
 304                 # applyAttributes(guiObject, widget, desktop)
 305                 # guiObject.thisown = 0
 306                 screen.additionalWidgets.append(w)