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