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, skin_path_prefix=None):
  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: localization? as in e1?
  51                 value = a.value.encode("utf-8")
  52
  53                 if skin_path_prefix and attrib in ["pixmap", "pointer"] and len(value) and value[0:2] == "~/":
  54                         value = skin_path_prefix + value[1:]
  55
  56                 skinAttributes.append((attrib, value))
  57
  58 def loadPixmap(path):
  59         ptr = loadPNG(path)
  60         if ptr is None:
  61                 raise "pixmap file %s not found!" % (path)
  62         return ptr
  63
  64 def applySingleAttribute(guiObject, desktop, attrib, value):
  65         # and set attributes
  66         try:
  67                 if attrib == 'position':
  68                         guiObject.move(parsePosition(value))
  69                 elif attrib == 'size':
  70                         guiObject.resize(parseSize(value))
  71                 elif attrib == 'title':
  72                         guiObject.setTitle(_(value))
  73                 elif attrib == 'text':
  74                         guiObject.setText(value)
  75                 elif attrib == 'font':
  76                         guiObject.setFont(parseFont(value))
  77                 elif attrib == 'zPosition':
  78                         guiObject.setZPosition(int(value))
  79                 elif attrib == "pixmap":
  80                         ptr = loadPixmap(resolveFilename(SCOPE_SKIN_IMAGE, value))
  81                         # that __deref__ still scares me!
  82                         desktop.makeCompatiblePixmap(ptr.__deref__())
  83                         guiObject.setPixmap(ptr.__deref__())
  84                         # guiObject.setPixmapFromFile(value)
  85                 elif attrib == "alphatest": # used by ePixmap
  86                         guiObject.setAlphatest(
  87                                 { "on": True,
  88                                   "off": False
  89                                 }[value])
  90                 elif attrib == "orientation": # used by eSlider
  91                         try:
  92                                 guiObject.setOrientation(
  93                                         { "orVertical": guiObject.orVertical,
  94                                                 "orHorizontal": guiObject.orHorizontal
  95                                         }[value])
  96                         except KeyError:
  97                                 print "oprientation must be either orVertical or orHorizontal!"
  98                 elif attrib == "valign":
  99                         try:
 100                                 guiObject.setVAlign(
 101                                         { "top": guiObject.alignTop,
 102                                                 "center": guiObject.alignCenter,
 103                                                 "bottom": guiObject.alignBottom
 104                                         }[value])
 105                         except KeyError:
 106                                 print "valign must be either top, center or bottom!"
 107                 elif attrib == "halign":
 108                         try:
 109                                 guiObject.setHAlign(
 110                                         { "left": guiObject.alignLeft,
 111                                                 "center": guiObject.alignCenter,
 112                                                 "right": guiObject.alignRight,
 113                                                 "block": guiObject.alignBlock
 114                                         }[value])
 115                         except KeyError:
 116                                 print "halign must be either left, center, right or block!"
 117                 elif attrib == "flags":
 118                         flags = value.split(',')
 119                         for f in flags:
 120                                 try:
 121                                         fv = eWindow.__dict__[f]
 122                                         guiObject.setFlag(fv)
 123                                 except KeyError:
 124                                         print "illegal flag %s!" % f
 125                 elif attrib == "backgroundColor":
 126                         guiObject.setBackgroundColor(parseColor(value))
 127                 elif attrib == "foregroundColor":
 128                         guiObject.setForegroundColor(parseColor(value))
 129                 elif attrib == "selectionDisabled":
 130                         guiObject.setSelectionEnable(0)
 131                 elif attrib == "transparent":
 132                         guiObject.setTransparent(int(value))
 133                 elif attrib == "borderColor":
 134                         guiObject.setBorderColor(parseColor(value))
 135                 elif attrib == "borderWidth":
 136                         guiObject.setBorderWidth(int(value))
 137                 elif attrib == "scrollbarMode":
 138                         guiObject.setScrollbarMode(
 139                                 { "showOnDemand": guiObject.showOnDemand,
 140                                         "showAlways": guiObject.showAlways,
 141                                         "showNever": guiObject.showNever
 142                                 }[value])
 143                 elif attrib == "enableWrapAround":
 144                         guiObject.setWrapAround(True)
 145                 elif attrib == "pointer":
 146                         (name, pos) = value.split(':')
 147                         pos = parsePosition(pos)
 148                         ptr = loadPixmap(resolveFilename(SCOPE_SKIN_IMAGE, name))
 149                         desktop.makeCompatiblePixmap(ptr.__deref__())
 150                         guiObject.setPointer(ptr.__deref__(), pos)
 151                 elif attrib != 'name':
 152                         print "unsupported attribute " + attrib + "=" + value
 153         except int:
 154 # AttributeError:
 155                 print "widget %s (%s) doesn't support attribute %s!" % ("", guiObject.__class__.__name__, attrib)
 156
 157 def applyAllAttributes(guiObject, desktop, attributes):
 158         for (attrib, value) in attributes:
 159                 applySingleAttribute(guiObject, desktop, attrib, value)
 160
 161 def loadSkin(desktop):
 162         print "loading skin..."
 163
 164         skin = dom_skin.childNodes[0]
 165         assert skin.tagName == "skin", "root element in skin must be 'skin'!"
 166
 167         for c in elementsWithTag(skin.childNodes, "colors"):
 168                 for color in elementsWithTag(c.childNodes, "color"):
 169                         name = str(color.getAttribute("name"))
 170                         color = str(color.getAttribute("value"))
 171
 172                         if not len(color):
 173                                 raise ("need color and name, got %s %s" % (name, color))
 174
 175                         colorNames[name] = parseColor(color)
 176
 177         for windowstyle in elementsWithTag(skin.childNodes, "windowstyle"):
 178                 style = eWindowStyleSkinned()
 179
 180                 style.setTitleFont(gFont("Regular", 20));
 181                 style.setTitleOffset(eSize(20, 5));
 182
 183                 for borderset in elementsWithTag(windowstyle.childNodes, "borderset"):
 184                         bsName = str(borderset.getAttribute("name"))
 185                         for pixmap in elementsWithTag(borderset.childNodes, "pixmap"):
 186                                 bpName = str(pixmap.getAttribute("pos"))
 187                                 filename = str(pixmap.getAttribute("filename"))
 188
 189                                 png = loadPixmap(resolveFilename(SCOPE_SKIN_IMAGE, filename))
 190
 191                                 # adapt palette
 192                                 desktop.makeCompatiblePixmap(png.__deref__())
 193                                 style.setPixmap(eWindowStyleSkinned.__dict__[bsName], eWindowStyleSkinned.__dict__[bpName], png.__deref__())
 194
 195                 for color in elementsWithTag(windowstyle.childNodes, "color"):
 196                         type = str(color.getAttribute("name"))
 197                         color = parseColor(color.getAttribute("color"))
 198
 199                         try:
 200                                 style.setColor(eWindowStyleSkinned.__dict__["col" + type], color)
 201                         except:
 202                                 raise ("Unknown color %s" % (type))
 203
 204                 x = eWindowStyleManagerPtr()
 205                 eWindowStyleManager.getInstance(x)
 206                 x.setStyle(style)
 207
 208 def readSkin(screen, skin, name, desktop):
 209         myscreen = None
 210
 211         # first, find the corresponding screen element
 212         skin = dom_skin.childNodes[0]
 213         skin_default = dom_skin_default.childNodes[0]
 214
 215         for x in elementsWithTag(skin.childNodes, "screen"):
 216                 if x.getAttribute('name') == name:
 217                         myscreen = x
 218                         break
 219
 220         # if not found, check default skin
 221         if myscreen is None:
 222                 for x in elementsWithTag(skin_default.childNodes, "screen"):
 223                         if x.getAttribute('name') == name:
 224                                 myscreen = x
 225                                 break
 226
 227         del skin, skin_default
 228
 229         # otherwise try embedded skin
 230         myscreen = myscreen or getattr(screen, "parsedSkin", None)
 231
 232         # try uncompiled embedded skin
 233         if myscreen is None and getattr(screen, "skin", None):
 234                 myscreen = screen.parsedSkin = xml.dom.minidom.parseString(screen.skin).childNodes[0]
 235
 236         assert myscreen is not None, "no skin for screen '" + name + "' found!"
 237
 238         screen.skinAttributes = [ ]
 239
 240         skin_path_prefix = getattr(screen, "skin_path", None)
 241
 242         collectAttributes(screen.skinAttributes, myscreen, skin_path_prefix)
 243
 244         screen.additionalWidgets = [ ]
 245
 246         # now walk all widgets
 247         for widget in elementsWithTag(myscreen.childNodes, "widget"):
 248                 wname = widget.getAttribute('name')
 249                 if wname == None:
 250                         print "widget has no name!"
 251                         continue
 252
 253                 # get corresponding gui object
 254                 try:
 255                         attributes = screen[wname].skinAttributes = [ ]
 256                 except:
 257                         raise str("component with name '" + wname + "' was not found in skin of screen '" + name + "'!")
 258
 259                 collectAttributes(attributes, widget, skin_path_prefix)
 260
 261         # now walk additional objects
 262         for widget in elementsWithTag(myscreen.childNodes, lambda x: x != "widget"):
 263                 if widget.tagName == "applet":
 264                         codeText = mergeText(widget.childNodes).strip()
 265                         type = widget.getAttribute('type')
 266
 267                         code = compile(codeText, "skin applet", "exec")
 268
 269                         if type == "onLayoutFinish":
 270                                 screen.onLayoutFinish.append(code)
 271                         else:
 272                                 raise str("applet type '%s' unknown!" % type)
 273
 274                         continue
 275
 276                 class additionalWidget:
 277                         pass
 278
 279                 w = additionalWidget()
 280
 281                 if widget.tagName == "eLabel":
 282                         w.widget = eLabel
 283                 elif widget.tagName == "ePixmap":
 284                         w.widget = ePixmap
 285                 else:
 286                         raise str("unsupported stuff : %s" % widget.tagName)
 287
 288                 w.skinAttributes = [ ]
 289                 collectAttributes(w.skinAttributes, widget, skin_path_prefix)
 290
 291                 # applyAttributes(guiObject, widget, desktop)
 292                 # guiObject.thisown = 0
 293                 screen.additionalWidgets.append(w)