add missing translation
[openblackhole/openblackhole-enigma2.git] / skin.py
diff --git a/skin.py b/skin.py
index 5327d66..ecd4355 100644 (file)
--- a/skin.py
+++ b/skin.py
@@ -1,6 +1,12 @@
 from enigma import *
 import xml.dom.minidom
 from xml.dom import EMPTY_NAMESPACE
+from Tools.Import import my_import
+import os
+
+from Components.config import ConfigSubsection, configElement, configText, config
+from Components.Element import Element
+from Components.Converter.Converter import Converter
 
 from Tools.XMLTools import elementsWithTag, mergeText
 
@@ -14,11 +20,44 @@ def dump(x, i=0):
        except:
                None
 
-from Tools.Directories import resolveFilename, SCOPE_SKIN, SCOPE_SKIN_IMAGE
+from Tools.Directories import resolveFilename, SCOPE_SKIN, SCOPE_SKIN_IMAGE, SCOPE_FONTS
+
+class SkinError(Exception):
+       def __init__(self, message):
+               self.message = message
+
+       def __str__(self):
+               return self.message
+
+dom_skins = [ ]
+
+def loadSkin(name):
+       # read the skin
+       filename = resolveFilename(SCOPE_SKIN, name)
+       path = os.path.dirname(filename) + "/"
+       dom_skins.append((path, xml.dom.minidom.parse(filename)))
 
-# read the skin
-dom_skin = xml.dom.minidom.parse(resolveFilename(SCOPE_SKIN, 'skin.xml'))
-dom_skin_default = xml.dom.minidom.parse(resolveFilename(SCOPE_SKIN, 'skin_default.xml'))
+# we do our best to always select the "right" value
+# skins are loaded in order of priority: skin with
+# highest priority is loaded last, usually the user-provided
+# skin.
+
+# currently, loadSingleSkinData (colors, bordersets etc.)
+# are applied one-after-each, in order of ascending priority.
+# the dom_skin will keep all screens in descending priority,
+# so the first screen found will be used.
+
+# example: loadSkin("nemesis_greenline/skin.xml")
+config.skin = ConfigSubsection()
+config.skin.primary_skin = configElement("config.skin.primary_skin", configText, "skin.xml", 0)
+
+try:
+       loadSkin(config.skin.primary_skin.value)
+except SkinError, err:
+       print "SKIN ERROR:", err
+       print "defaulting to standard skin..."
+       loadSkin('skin.xml')
+loadSkin('skin_default.xml')
 
 def parsePosition(str):
        x, y = str.split(',')
@@ -40,7 +79,7 @@ def parseColor(str):
                        raise ("color '%s' must be #aarrggbb or valid named color" % (str))
        return gRGB(int(str[1:], 0x10))
 
-def collectAttributes(skinAttributes, node, skin_path_prefix=None):
+def collectAttributes(skinAttributes, node, skin_path_prefix=None, ignore=[]):
        # walk all attributes
        for p in range(node.attributes.length):
                a = node.attributes.item(p)
@@ -50,10 +89,11 @@ def collectAttributes(skinAttributes, node, skin_path_prefix=None):
                # TODO: localization? as in e1?
                value = a.value.encode("utf-8")
                
-               if skin_path_prefix and attrib in ["pixmap", "pointer"] and len(value) and value[0:2] == "~/":
-                       value = skin_path_prefix + value[1:]
+               if attrib in ["pixmap", "pointer"]:
+                       value = resolveFilename(SCOPE_SKIN_IMAGE, value, path_prefix=skin_path_prefix)
                
-               skinAttributes.append((attrib, value))
+               if attrib not in ignore:
+                       skinAttributes.append((attrib, value))
 
 def loadPixmap(path):
        ptr = loadPNG(path)
@@ -71,13 +111,13 @@ def applySingleAttribute(guiObject, desktop, attrib, value):
                elif attrib == 'title':
                        guiObject.setTitle(_(value))
                elif attrib == 'text':
-                       guiObject.setText(value)
+                       guiObject.setText(_(value))
                elif attrib == 'font':
                        guiObject.setFont(parseFont(value))
                elif attrib == 'zPosition':
                        guiObject.setZPosition(int(value))
                elif attrib == "pixmap":
-                       ptr = loadPixmap(resolveFilename(SCOPE_SKIN_IMAGE, value))
+                       ptr = loadPixmap(value) # this should already have been filename-resolved.
                        # that __deref__ still scares me!
                        desktop.makeCompatiblePixmap(ptr.__deref__())
                        guiObject.setPixmap(ptr.__deref__())
@@ -126,6 +166,8 @@ def applySingleAttribute(guiObject, desktop, attrib, value):
                        guiObject.setBackgroundColor(parseColor(value))
                elif attrib == "foregroundColor":
                        guiObject.setForegroundColor(parseColor(value))
+               elif attrib == "shadowColor":
+                       guiObject.setShadowColor(parseColor(value))
                elif attrib == "selectionDisabled":
                        guiObject.setSelectionEnable(0)
                elif attrib == "transparent":
@@ -145,11 +187,13 @@ def applySingleAttribute(guiObject, desktop, attrib, value):
                elif attrib == "pointer":
                        (name, pos) = value.split(':')
                        pos = parsePosition(pos)
-                       ptr = loadPixmap(resolveFilename(SCOPE_SKIN_IMAGE, name))
+                       ptr = loadPixmap(name)
                        desktop.makeCompatiblePixmap(ptr.__deref__())
                        guiObject.setPointer(ptr.__deref__(), pos)
-               elif attrib != 'name':
-                       print "unsupported attribute " + attrib + "=" + value
+               elif attrib == 'shadowOffset':
+                       guiObject.setShadowOffset(parsePosition(value))
+               else:
+                       raise "unsupported attribute " + attrib + "=" + value
        except int:
 # AttributeError:
                print "widget %s (%s) doesn't support attribute %s!" % ("", guiObject.__class__.__name__, attrib)
@@ -158,8 +202,8 @@ def applyAllAttributes(guiObject, desktop, attributes):
        for (attrib, value) in attributes:
                applySingleAttribute(guiObject, desktop, attrib, value)
 
-def loadSkin(desktop):
-       print "loading skin..."
+def loadSingleSkinData(desktop, dom_skin, path_prefix):
+       """loads skin data like colors, windowstyle etc."""
        
        skin = dom_skin.childNodes[0]
        assert skin.tagName == "skin", "root element in skin must be 'skin'!"
@@ -174,11 +218,27 @@ def loadSkin(desktop):
                                
                        colorNames[name] = parseColor(color)
        
+       for c in elementsWithTag(skin.childNodes, "fonts"):
+               for font in elementsWithTag(c.childNodes, "font"):
+                       filename = str(font.getAttribute("filename") or "<NONAME>")
+                       name = str(font.getAttribute("name") or "Regular")
+                       scale = int(font.getAttribute("scale") or "100")
+                       is_replacement = font.getAttribute("replacement") != ""
+                       addFont(resolveFilename(SCOPE_FONTS, filename, path_prefix=path_prefix), name, scale, is_replacement)
+       
        for windowstyle in elementsWithTag(skin.childNodes, "windowstyle"):
                style = eWindowStyleSkinned()
                
-               style.setTitleFont(gFont("Regular", 20));
-               style.setTitleOffset(eSize(20, 5));
+               # defaults
+               font = gFont("Regular", 20)
+               offset = eSize(20, 5)
+               
+               for title in elementsWithTag(windowstyle.childNodes, "title"):
+                       offset = parseSize(title.getAttribute("offset"))
+                       font = parseFont(str(title.getAttribute("font")))
+
+               style.setTitleFont(font);
+               style.setTitleOffset(offset)
                
                for borderset in elementsWithTag(windowstyle.childNodes, "borderset"):
                        bsName = str(borderset.getAttribute("name"))
@@ -186,7 +246,7 @@ def loadSkin(desktop):
                                bpName = str(pixmap.getAttribute("pos"))
                                filename = str(pixmap.getAttribute("filename"))
                                
-                               png = loadPixmap(resolveFilename(SCOPE_SKIN_IMAGE, filename))
+                               png = loadPixmap(resolveFilename(SCOPE_SKIN_IMAGE, filename, path_prefix=path_prefix))
                                
                                # adapt palette
                                desktop.makeCompatiblePixmap(png.__deref__())
@@ -205,26 +265,23 @@ def loadSkin(desktop):
                eWindowStyleManager.getInstance(x)
                x.setStyle(style)
 
-def readSkin(screen, skin, name, desktop):
-       myscreen = None
-       
-       # first, find the corresponding screen element
-       skin = dom_skin.childNodes[0] 
-       skin_default = dom_skin_default.childNodes[0]
-       
-       for x in elementsWithTag(skin.childNodes, "screen"):
-               if x.getAttribute('name') == name:
-                       myscreen = x
-                       break
-       
-       # if not found, check default skin      
-       if myscreen is None:
-               for x in elementsWithTag(skin_default.childNodes, "screen"):
+def loadSkinData(desktop):
+       skins = dom_skins[:]
+       skins.reverse()
+       for (path, dom_skin) in skins:
+               loadSingleSkinData(desktop, dom_skin, path)
+
+def lookupScreen(name):
+       for (path, dom_skin) in dom_skins:
+               # first, find the corresponding screen element
+               skin = dom_skin.childNodes[0] 
+               for x in elementsWithTag(skin.childNodes, "screen"):
                        if x.getAttribute('name') == name:
-                               myscreen = x
-                               break
+                               return x, path
+       return None, None
 
-       del skin, skin_default
+def readSkin(screen, skin, name, desktop):
+       myscreen, path = lookupScreen(name)
        
        # otherwise try embedded skin
        myscreen = myscreen or getattr(screen, "parsedSkin", None)
@@ -237,26 +294,77 @@ def readSkin(screen, skin, name, desktop):
 
        screen.skinAttributes = [ ]
        
-       skin_path_prefix = getattr(screen, "skin_path", None)
+       skin_path_prefix = getattr(screen, "skin_path", path)
 
-       collectAttributes(screen.skinAttributes, myscreen, skin_path_prefix)
+       collectAttributes(screen.skinAttributes, myscreen, skin_path_prefix, ignore=["name"])
        
        screen.additionalWidgets = [ ]
+       screen.renderer = [ ]
        
        # now walk all widgets
        for widget in elementsWithTag(myscreen.childNodes, "widget"):
+               # ok, we either have 1:1-mapped widgets ('old style'), or 1:n-mapped 
+               # widgets (source->renderer).
+
                wname = widget.getAttribute('name')
-               if wname == None:
-                       print "widget has no name!"
+               wsource = widget.getAttribute('source')
+               
+               if wname is None and wsource is None:
+                       print "widget has no name and no source!"
                        continue
                
-               # get corresponding gui object
-               try:
-                       attributes = screen[wname].skinAttributes = [ ]
-               except:
-                       raise str("component with name '" + wname + "' was not found in skin of screen '" + name + "'!")
+               if wname:
+                       # get corresponding 'gui' object
+                       try:
+                               attributes = screen[wname].skinAttributes = [ ]
+                       except:
+                               raise SkinError("component with name '" + wname + "' was not found in skin of screen '" + name + "'!")
+
+#                      assert screen[wname] is not Source
                
-               collectAttributes(attributes, widget, skin_path_prefix)
+                       # and collect attributes for this
+                       collectAttributes(attributes, widget, skin_path_prefix, ignore=['name'])
+               elif wsource:
+                       # get corresponding source
+                       source = screen.get(wsource)
+                       if source is None:
+                               raise SkinError("source '" + wsource + "' was not found in screen '" + name + "'!")
+                       
+                       wrender = widget.getAttribute('render')
+                       
+                       if not wrender:
+                               raise SkinError("you must define a renderer with render= for source '%s'" % (wsource))
+                       
+                       for converter in elementsWithTag(widget.childNodes, "convert"):
+                               ctype = converter.getAttribute('type')
+                               assert ctype, "'convert'-tag needs a 'type'-attribute"
+                               parms = mergeText(converter.childNodes).strip()
+                               converter_class = my_import('.'.join(["Components", "Converter", ctype])).__dict__.get(ctype)
+                               
+                               c = None
+                               
+                               for i in source.downstream_elements:
+                                       if isinstance(i, converter_class) and i.converter_arguments == parms:
+                                               c = i
+
+                               if c is None:
+                                       print "allocating new converter!"
+                                       c = converter_class(parms)
+                                       c.connect(source)
+                               else:
+                                       print "reused conveter!"
+       
+                               source = c
+                       
+                       renderer_class = my_import('.'.join(["Components", "Renderer", wrender])).__dict__.get(wrender)
+                       
+                       renderer = renderer_class() # instantiate renderer
+                       
+                       renderer.connect(source) # connect to source
+                       attributes = renderer.skinAttributes = [ ]
+                       collectAttributes(attributes, widget, skin_path_prefix, ignore=['render', 'source'])
+                       
+                       screen.renderer.append(renderer)
 
        # now walk additional objects
        for widget in elementsWithTag(myscreen.childNodes, lambda x: x != "widget"):
@@ -269,7 +377,7 @@ def readSkin(screen, skin, name, desktop):
                        if type == "onLayoutFinish":
                                screen.onLayoutFinish.append(code)
                        else:
-                               raise str("applet type '%s' unknown!" % type)
+                               raise SkinError("applet type '%s' unknown!" % type)
                        
                        continue
                
@@ -283,10 +391,10 @@ def readSkin(screen, skin, name, desktop):
                elif widget.tagName == "ePixmap":
                        w.widget = ePixmap
                else:
-                       raise str("unsupported stuff : %s" % widget.tagName)
+                       raise SkinError("unsupported stuff : %s" % widget.tagName)
                
                w.skinAttributes = [ ]
-               collectAttributes(w.skinAttributes, widget, skin_path_prefix)
+               collectAttributes(w.skinAttributes, widget, skin_path_prefix, ignore=['name'])
                
                # applyAttributes(guiObject, widget, desktop)
                # guiObject.thisown = 0