some notes about LCD skins
[enigma2.git] / skin.py
diff --git a/skin.py b/skin.py
index b8ec2124c69a3e4ccc2c313420c6ea0ec0c50f3e..f8fcb1224cf0bca30709a671ea33dea03941215b 100644 (file)
--- a/skin.py
+++ b/skin.py
@@ -14,16 +14,16 @@ def dump(x, i=0):
        except:
                None
 
-# read the skin
-try:
-       # first we search in the current path
-       skinfile = file('data/skin.xml', 'r')
-except:
-       # if not found in the current path, we use the global datadir-path
-       skinfile = file('/usr/share/enigma2/skin.xml', 'r')
-dom = xml.dom.minidom.parseString(skinfile.read())
-skinfile.close()
+from Tools.Directories import resolveFilename, SCOPE_SKIN, SCOPE_SKIN_IMAGE, SCOPE_FONTS
 
+dom_skins = [ ]
+
+def loadSkin(name):
+       # read the skin
+       dom_skins.append(xml.dom.minidom.parse(resolveFilename(SCOPE_SKIN, name)))
+
+loadSkin('skin.xml')
+loadSkin('skin_default.xml')
 
 def parsePosition(str):
        x, y = str.split(',')
@@ -45,20 +45,28 @@ def parseColor(str):
                        raise ("color '%s' must be #aarrggbb or valid named color" % (str))
        return gRGB(int(str[1:], 0x10))
 
-def collectAttributes(skinAttributes, node):
+def collectAttributes(skinAttributes, node, skin_path_prefix=None):
        # walk all attributes
        for p in range(node.attributes.length):
                a = node.attributes.item(p)
                
                # convert to string (was: unicode)
                attrib = str(a.name)
-               # TODO: proper UTF8 translation?! (for value)
                # TODO: localization? as in e1?
-               value = str(a.value)
+               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:]
                
                skinAttributes.append((attrib, value))
 
-def applySingleAttribute(guiObject, desktop, attrib, value):           
+def loadPixmap(path):
+       ptr = loadPNG(path)
+       if ptr is None:
+               raise "pixmap file %s not found!" % (path)
+       return ptr
+
+def applySingleAttribute(guiObject, desktop, attrib, value):
        # and set attributes
        try:
                if attrib == 'position':
@@ -66,20 +74,24 @@ def applySingleAttribute(guiObject, desktop, attrib, value):
                elif attrib == 'size':
                        guiObject.resize(parseSize(value))
                elif attrib == 'title':
-                       guiObject.setTitle(value)
+                       guiObject.setTitle(_(value))
                elif attrib == 'text':
                        guiObject.setText(value)
                elif attrib == 'font':
                        guiObject.setFont(parseFont(value))
+               elif attrib == 'zPosition':
+                       guiObject.setZPosition(int(value))
                elif attrib == "pixmap":
-                       ptr = gPixmapPtr()
-                       if loadPNG(ptr, value):
-                               raise "loading PNG failed!"
-                       x = ptr
-                       ptr = ptr.__deref__()
-                       desktop.makeCompatiblePixmap(ptr)
-                       guiObject.setPixmap(ptr)
+                       ptr = loadPixmap(resolveFilename(SCOPE_SKIN_IMAGE, value))
+                       # that __deref__ still scares me!
+                       desktop.makeCompatiblePixmap(ptr.__deref__())
+                       guiObject.setPixmap(ptr.__deref__())
                        # guiObject.setPixmapFromFile(value)
+               elif attrib == "alphatest": # used by ePixmap
+                       guiObject.setAlphatest(
+                               { "on": True,
+                                 "off": False
+                               }[value])
                elif attrib == "orientation": # used by eSlider
                        try:
                                guiObject.setOrientation(
@@ -119,6 +131,32 @@ 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":
+                       guiObject.setTransparent(int(value))
+               elif attrib == "borderColor":
+                       guiObject.setBorderColor(parseColor(value))
+               elif attrib == "borderWidth":
+                       guiObject.setBorderWidth(int(value))
+               elif attrib == "scrollbarMode":
+                       guiObject.setScrollbarMode(
+                               { "showOnDemand": guiObject.showOnDemand,
+                                       "showAlways": guiObject.showAlways,
+                                       "showNever": guiObject.showNever
+                               }[value])
+               elif attrib == "enableWrapAround":
+                       guiObject.setWrapAround(True)
+               elif attrib == "pointer":
+                       (name, pos) = value.split(':')
+                       pos = parsePosition(pos)
+                       ptr = loadPixmap(resolveFilename(SCOPE_SKIN_IMAGE, name))
+                       desktop.makeCompatiblePixmap(ptr.__deref__())
+                       guiObject.setPointer(ptr.__deref__(), pos)
+               elif attrib == 'shadowOffset':
+                       guiObject.setShadowOffset(parsePosition(value))
                elif attrib != 'name':
                        print "unsupported attribute " + attrib + "=" + value
        except int:
@@ -129,16 +167,10 @@ def applyAllAttributes(guiObject, desktop, attributes):
        for (attrib, value) in attributes:
                applySingleAttribute(guiObject, desktop, attrib, value)
 
-def loadSkin(desktop):
-       print "loading skin..."
-       
-       def getPNG(x):
-               g = gPixmapPtr()
-               loadPNG(g, x)
-               g = g.grabRef()
-               return g
+def loadSingleSkinData(desktop, dom_skin):
+       """loads skin data like colors, windowstyle etc."""
        
-       skin = dom.childNodes[0]
+       skin = dom_skin.childNodes[0]
        assert skin.tagName == "skin", "root element in skin must be 'skin'!"
        
        for c in elementsWithTag(skin.childNodes, "colors"):
@@ -151,11 +183,27 @@ 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), name, scale, is_replacement)
+       
        for windowstyle in elementsWithTag(skin.childNodes, "windowstyle"):
                style = eWindowStyleSkinned()
                
-               style.setTitleFont(gFont("Arial", 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"))
@@ -163,11 +211,11 @@ def loadSkin(desktop):
                                bpName = str(pixmap.getAttribute("pos"))
                                filename = str(pixmap.getAttribute("filename"))
                                
-                               png = getPNG(filename)
+                               png = loadPixmap(resolveFilename(SCOPE_SKIN_IMAGE, filename))
                                
                                # adapt palette
-                               desktop.makeCompatiblePixmap(png)
-                               style.setPixmap(eWindowStyleSkinned.__dict__[bsName], eWindowStyleSkinned.__dict__[bpName], png)
+                               desktop.makeCompatiblePixmap(png.__deref__())
+                               style.setPixmap(eWindowStyleSkinned.__dict__[bsName], eWindowStyleSkinned.__dict__[bpName], png.__deref__())
 
                for color in elementsWithTag(windowstyle.childNodes, "color"):
                        type = str(color.getAttribute("name"))
@@ -182,21 +230,36 @@ def loadSkin(desktop):
                eWindowStyleManager.getInstance(x)
                x.setStyle(style)
 
+def loadSkinData(desktop):
+       for dom_skin in dom_skins:
+               loadSingleSkinData(desktop, dom_skin)
+
+def lookupScreen(name):
+       for 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:
+                               return x
+       return None
+
 def readSkin(screen, skin, name, desktop):
-       myscreen = None
+       myscreen = lookupScreen(name)
        
-       # first, find the corresponding screen element
-       skin = dom.childNodes[0]
+       # otherwise try embedded skin
+       myscreen = myscreen or getattr(screen, "parsedSkin", None)
        
-       for x in elementsWithTag(skin.childNodes, "screen"):
-               if x.getAttribute('name') == name:
-                       myscreen = x
-       del skin
+       # try uncompiled embedded skin
+       if myscreen is None and getattr(screen, "skin", None):
+               myscreen = screen.parsedSkin = xml.dom.minidom.parseString(screen.skin).childNodes[0]
        
-       assert myscreen != None, "no skin for screen '" + name + "' found!"
+       assert myscreen is not None, "no skin for screen '" + name + "' found!"
 
        screen.skinAttributes = [ ]
-       collectAttributes(screen.skinAttributes, myscreen)
+       
+       skin_path_prefix = getattr(screen, "skin_path", None)
+
+       collectAttributes(screen.skinAttributes, myscreen, skin_path_prefix)
        
        screen.additionalWidgets = [ ]
        
@@ -213,7 +276,7 @@ def readSkin(screen, skin, name, desktop):
                except:
                        raise str("component with name '" + wname + "' was not found in skin of screen '" + name + "'!")
                
-               collectAttributes(attributes, widget)
+               collectAttributes(attributes, widget, skin_path_prefix)
 
        # now walk additional objects
        for widget in elementsWithTag(myscreen.childNodes, lambda x: x != "widget"):
@@ -243,7 +306,7 @@ def readSkin(screen, skin, name, desktop):
                        raise str("unsupported stuff : %s" % widget.tagName)
                
                w.skinAttributes = [ ]
-               collectAttributes(w.skinAttributes, widget)
+               collectAttributes(w.skinAttributes, widget, skin_path_prefix)
                
                # applyAttributes(guiObject, widget, desktop)
                # guiObject.thisown = 0