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
  18
  19 # read the skin
  20 skinfile = file(resolveFilename(SCOPE_SKIN, 'skin.xml'), 'r')
  21 dom = xml.dom.minidom.parseString(skinfile.read())
  22 skinfile.close()
  23
  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 == 'zPosition':
  72                         guiObject.setZPosition(int(value))
  73                 elif attrib == "pixmap":
  74                         ptr = loadPNG(value)
  75                         # that __deref__ still scares me!
  76                         desktop.makeCompatiblePixmap(ptr.__deref__())
  77                         guiObject.setPixmap(ptr.__deref__())
  78                         # guiObject.setPixmapFromFile(value)
  79                 elif attrib == "alphatest": # used by ePixmap
  80                         guiObject.setAlphatest(
  81                                 { "on": True,
  82                                   "off": False
  83                                 }[value])
  84                 elif attrib == "orientation": # used by eSlider
  85                         try:
  86                                 guiObject.setOrientation(
  87                                         { "orVertical": guiObject.orVertical,
  88                                                 "orHorizontal": guiObject.orHorizontal
  89                                         }[value])
  90                         except KeyError:
  91                                 print "oprientation must be either orVertical or orHorizontal!"
  92                 elif attrib == "valign":
  93                         try:
  94                                 guiObject.setVAlign(
  95                                         { "top": guiObject.alignTop,
  96                                                 "center": guiObject.alignCenter,
  97                                                 "bottom": guiObject.alignBottom
  98                                         }[value])
  99                         except KeyError:
 100                                 print "valign must be either top, center or bottom!"
 101                 elif attrib == "halign":
 102                         try:
 103                                 guiObject.setHAlign(
 104                                         { "left": guiObject.alignLeft,
 105                                                 "center": guiObject.alignCenter,
 106                                                 "right": guiObject.alignRight,
 107                                                 "block": guiObject.alignBlock
 108                                         }[value])
 109                         except KeyError:
 110                                 print "halign must be either left, center, right or block!"
 111                 elif attrib == "flags":
 112                         flags = value.split(',')
 113                         for f in flags:
 114                                 try:
 115                                         fv = eWindow.__dict__[f]
 116                                         guiObject.setFlag(fv)
 117                                 except KeyError:
 118                                         print "illegal flag %s!" % f
 119                 elif attrib == "backgroundColor":
 120                         guiObject.setBackgroundColor(parseColor(value))
 121                 elif attrib == "foregroundColor":
 122                         guiObject.setForegroundColor(parseColor(value))
 123                 elif attrib == "selectionDisabled":
 124                         guiObject.setSelectionEnable(0)
 125                 elif attrib == "transparent":
 126                         guiObject.setTransparent(int(value))
 127                 elif attrib == "borderColor":
 128                         guiObject.setBorderColor(parseColor(value))
 129                 elif attrib == "borderWidth":
 130                         guiObject.setBorderWidth(int(value))
 131                 elif attrib == "scrollbarMode":
 132                         guiObject.setScrollbarMode(
 133                                 { "showOnDemand": guiObject.showOnDemand,
 134                                         "showAlways": guiObject.showAlways,
 135                                         "showNever": guiObject.showNever
 136                                 }[value])
 137                 elif attrib == "enableWrapAround":
 138                         guiObject.setWrapAround(True)
 139                 elif attrib == "pointer":
 140                         (name, pos) = value.split(':')
 141                         pos = parsePosition(pos)
 142                         ptr = loadPNG(name)
 143                         desktop.makeCompatiblePixmap(ptr.__deref__())
 144                         guiObject.setPointer(ptr.__deref__(), pos)
 145                 elif attrib != 'name':
 146                         print "unsupported attribute " + attrib + "=" + value
 147         except int:
 148 # AttributeError:
 149                 print "widget %s (%s) doesn't support attribute %s!" % ("", guiObject.__class__.__name__, attrib)
 150
 151 def applyAllAttributes(guiObject, desktop, attributes):
 152         for (attrib, value) in attributes:
 153                 applySingleAttribute(guiObject, desktop, attrib, value)
 154
 155 def loadSkin(desktop):
 156         print "loading skin..."
 157
 158         skin = dom.childNodes[0]
 159         assert skin.tagName == "skin", "root element in skin must be 'skin'!"
 160
 161         for c in elementsWithTag(skin.childNodes, "colors"):
 162                 for color in elementsWithTag(c.childNodes, "color"):
 163                         name = str(color.getAttribute("name"))
 164                         color = str(color.getAttribute("value"))
 165
 166                         if not len(color):
 167                                 raise ("need color and name, got %s %s" % (name, color))
 168
 169                         colorNames[name] = parseColor(color)
 170
 171         for windowstyle in elementsWithTag(skin.childNodes, "windowstyle"):
 172                 style = eWindowStyleSkinned()
 173
 174                 style.setTitleFont(gFont("Regular", 20));
 175                 style.setTitleOffset(eSize(20, 5));
 176
 177                 for borderset in elementsWithTag(windowstyle.childNodes, "borderset"):
 178                         bsName = str(borderset.getAttribute("name"))
 179                         for pixmap in elementsWithTag(borderset.childNodes, "pixmap"):
 180                                 bpName = str(pixmap.getAttribute("pos"))
 181                                 filename = str(pixmap.getAttribute("filename"))
 182
 183                                 png = loadPNG(filename)
 184
 185                                 # adapt palette
 186                                 desktop.makeCompatiblePixmap(png.__deref__())
 187                                 style.setPixmap(eWindowStyleSkinned.__dict__[bsName], eWindowStyleSkinned.__dict__[bpName], png.__deref__())
 188
 189                 for color in elementsWithTag(windowstyle.childNodes, "color"):
 190                         type = str(color.getAttribute("name"))
 191                         color = parseColor(color.getAttribute("color"))
 192
 193                         try:
 194                                 style.setColor(eWindowStyleSkinned.__dict__["col" + type], color)
 195                         except:
 196                                 raise ("Unknown color %s" % (type))
 197
 198                 x = eWindowStyleManagerPtr()
 199                 eWindowStyleManager.getInstance(x)
 200                 x.setStyle(style)
 201
 202 def readSkin(screen, skin, name, desktop):
 203         myscreen = None
 204
 205         # first, find the corresponding screen element
 206         skin = dom.childNodes[0]
 207
 208         for x in elementsWithTag(skin.childNodes, "screen"):
 209                 if x.getAttribute('name') == name:
 210                         myscreen = x
 211         del skin
 212
 213         if myscreen is None:
 214                 # try embedded skin
 215                 if "parsedSkin" in screen.__dict__:
 216                         myscreen = screen.parsedSkin
 217                 elif "skin" in screen.__dict__:
 218                         myscreen = screen.parsedSkin = xml.dom.minidom.parseString(screen.skin).childNodes[0]
 219
 220         assert myscreen is not None, "no skin for screen '" + name + "' found!"
 221
 222         screen.skinAttributes = [ ]
 223         collectAttributes(screen.skinAttributes, myscreen)
 224
 225         screen.additionalWidgets = [ ]
 226
 227         # now walk all widgets
 228         for widget in elementsWithTag(myscreen.childNodes, "widget"):
 229                 wname = widget.getAttribute('name')
 230                 if wname == None:
 231                         print "widget has no name!"
 232                         continue
 233
 234                 # get corresponding gui object
 235                 try:
 236                         attributes = screen[wname].skinAttributes = [ ]
 237                 except:
 238                         raise str("component with name '" + wname + "' was not found in skin of screen '" + name + "'!")
 239
 240                 collectAttributes(attributes, widget)
 241
 242         # now walk additional objects
 243         for widget in elementsWithTag(myscreen.childNodes, lambda x: x != "widget"):
 244                 if widget.tagName == "applet":
 245                         codeText = mergeText(widget.childNodes).strip()
 246                         type = widget.getAttribute('type')
 247
 248                         code = compile(codeText, "skin applet", "exec")
 249
 250                         if type == "onLayoutFinish":
 251                                 screen.onLayoutFinish.append(code)
 252                         else:
 253                                 raise str("applet type '%s' unknown!" % type)
 254
 255                         continue
 256
 257                 class additionalWidget:
 258                         pass
 259
 260                 w = additionalWidget()
 261
 262                 if widget.tagName == "eLabel":
 263                         w.widget = eLabel
 264                 elif widget.tagName == "ePixmap":
 265                         w.widget = ePixmap
 266                 else:
 267                         raise str("unsupported stuff : %s" % widget.tagName)
 268
 269                 w.skinAttributes = [ ]
 270                 collectAttributes(w.skinAttributes, widget)
 271
 272                 # applyAttributes(guiObject, widget, desktop)
 273                 # guiObject.thisown = 0
 274                 screen.additionalWidgets.append(w)