X-Git-Url: https://git.cweiske.de/enigma2.git/blobdiff_plain/47d24e1d25002485f1cb90f1682b4bc3070cad0b..7bcaff119363f42cd4263a5e07982de7671734a7:/skin.py diff --git a/skin.py b/skin.py index 5d482fdb..8de161da 100644 --- a/skin.py +++ b/skin.py @@ -1,6 +1,18 @@ -from enigma import * import xml.dom.minidom -from xml.dom import EMPTY_NAMESPACE +from os import path + +from enigma import eSize, ePoint, gFont, eWindow, eLabel, ePixmap, eWindowStyleManager, \ + loadPNG, addFont, gRGB, eWindowStyleSkinned + +from Components.config import ConfigSubsection, ConfigText, config +from Components.Converter.Converter import Converter +from Components.Sources.Source import Source, ObsoleteSource +from Tools.Directories import resolveFilename, SCOPE_SKIN, SCOPE_SKIN_IMAGE, SCOPE_FONTS +from Tools.Import import my_import + +from Tools.XMLTools import elementsWithTag, mergeText + +colorNames = dict() def dump(x, i=0): print " " * i + str(x) @@ -10,12 +22,44 @@ def dump(x, i=0): except: None -dom = xml.dom.minidom.parseString( - " \ - \ - \ - \ - ") +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) + mpath = path.dirname(filename) + "/" + dom_skins.append((mpath, xml.dom.minidom.parse(filename))) + +# 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 = ConfigText(default = "skin.xml") + +try: + loadSkin(config.skin.primary_skin.value) +except (SkinError, IOError, AssertionError), err: + print "SKIN ERROR:", err + print "defaulting to standard skin..." + config.skin.primary_skin.value = 'skin.xml' + loadSkin('skin.xml') + +loadSkin('skin_default.xml') def parsePosition(str): x, y = str.split(',') @@ -25,40 +69,413 @@ def parseSize(str): x, y = str.split(',') return eSize(int(x), int(y)) -def applyAttributes(guiObject, node): +def parseFont(str): + name, size = str.split(';') + return gFont(name, int(size)) + +def parseColor(str): + if str[0] != '#': + try: + return colorNames[str] + except: + raise SkinError("color '%s' must be #aarrggbb or valid named color" % (str)) + return gRGB(int(str[1:], 0x10)) + +def collectAttributes(skinAttributes, node, skin_path_prefix=None, ignore=[]): # walk all attributes for p in range(node.attributes.length): a = node.attributes.item(p) - # and set attributes - if a.name == 'position': - guiObject.move(parsePosition(a.value)) - elif a.name == 'size': - guiObject.resize(parseSize(a.value)) - elif a.name != 'name': - print "unsupported attribute " + a.name - -def applyGUIskin(screen, skin, name): + # convert to string (was: unicode) + attrib = str(a.name) + # TODO: localization? as in e1? + value = a.value.encode("utf-8") + + if attrib in ["pixmap", "pointer", "seek_pointer", "backgroundPixmap", "selectionPixmap"]: + value = resolveFilename(SCOPE_SKIN_IMAGE, value, path_prefix=skin_path_prefix) + + if attrib not in ignore: + skinAttributes.append((attrib, value)) + +def loadPixmap(path): + ptr = loadPNG(path) + if ptr is None: + raise SkinError("pixmap file %s not found!" % (path)) + return ptr + +def applySingleAttribute(guiObject, desktop, attrib, value): + # and set attributes + try: + if attrib == 'position': + guiObject.move(parsePosition(value)) + elif attrib == 'size': + guiObject.resize(parseSize(value)) + elif attrib == 'title': + 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 in ["pixmap", "backgroundPixmap", "selectionPixmap"]: + ptr = loadPixmap(value) # this should already have been filename-resolved. + desktop.makeCompatiblePixmap(ptr) + if attrib == "pixmap": + guiObject.setPixmap(ptr) + elif attrib == "backgroundPixmap": + guiObject.setBackgroundPicture(ptr) + elif attrib == "selectionPixmap": + guiObject.setSelectionPicture(ptr) + # guiObject.setPixmapFromFile(value) + elif attrib == "alphatest": # used by ePixmap + guiObject.setAlphatest( + { "on": 1, + "off": 0, + "blend": 2, + }[value]) + elif attrib == "orientation": # used by eSlider + try: + guiObject.setOrientation( + { "orVertical": guiObject.orVertical, + "orHorizontal": guiObject.orHorizontal + }[value]) + except KeyError: + print "oprientation must be either orVertical or orHorizontal!" + elif attrib == "valign": + try: + guiObject.setVAlign( + { "top": guiObject.alignTop, + "center": guiObject.alignCenter, + "bottom": guiObject.alignBottom + }[value]) + except KeyError: + print "valign must be either top, center or bottom!" + elif attrib == "halign": + try: + guiObject.setHAlign( + { "left": guiObject.alignLeft, + "center": guiObject.alignCenter, + "right": guiObject.alignRight, + "block": guiObject.alignBlock + }[value]) + except KeyError: + print "halign must be either left, center, right or block!" + elif attrib == "flags": + flags = value.split(',') + for f in flags: + try: + fv = eWindow.__dict__[f] + guiObject.setFlag(fv) + except KeyError: + print "illegal flag %s!" % f + elif attrib == "backgroundColor": + guiObject.setBackgroundColor(parseColor(value)) + elif attrib == "backgroundColorSelected": + guiObject.setBackgroundColorSelected(parseColor(value)) + elif attrib == "foregroundColor": + guiObject.setForegroundColor(parseColor(value)) + elif attrib == "foregroundColorSelected": + guiObject.setForegroundColorSelected(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" or attrib == "seek_pointer": + (name, pos) = value.split(':') + pos = parsePosition(pos) + ptr = loadPixmap(name) + desktop.makeCompatiblePixmap(ptr) + guiObject.setPointer({"pointer": 0, "seek_pointer": 1}[attrib], ptr, pos) + elif attrib == 'shadowOffset': + guiObject.setShadowOffset(parsePosition(value)) + elif attrib == 'noWrap': + guiObject.setNoWrap(1) + else: + raise SkinError("unsupported attribute " + attrib + "=" + value) + except int: +# AttributeError: + print "widget %s (%s) doesn't support attribute %s!" % ("", guiObject.__class__.__name__, attrib) + +def applyAllAttributes(guiObject, desktop, attributes): + for (attrib, value) in attributes: + applySingleAttribute(guiObject, desktop, attrib, value) + +def loadSingleSkinData(desktop, dom_skin, path_prefix): + """loads skin data like colors, windowstyle etc.""" - myscreen = None + skin = dom_skin.childNodes[0] + assert skin.tagName == "skin", "root element in skin must be 'skin'!" + + for c in elementsWithTag(skin.childNodes, "output"): + id = int(c.getAttribute("id") or "0") + if id == 0: # framebuffer + for res in elementsWithTag(c.childNodes, "resolution"): + xres = int(res.getAttribute("xres" or "720")) + yres = int(res.getAttribute("yres" or "576")) + bpp = int(res.getAttribute("bpp" or "32")) + + from enigma import gFBDC + i = gFBDC.getInstance() + i.setResolution(xres, yres) + + if bpp != 32: + # load palette (not yet implemented) + pass + + for c in elementsWithTag(skin.childNodes, "colors"): + for color in elementsWithTag(c.childNodes, "color"): + name = str(color.getAttribute("name")) + color = str(color.getAttribute("value")) + + if not len(color): + raise ("need color and name, got %s %s" % (name, color)) + + colorNames[name] = parseColor(color) - # first, find the corresponding screen element - screens = dom.getElementsByTagName("screen") - for x in screens: - if x.getAttribute('name') == name: - myscreen = x + for c in elementsWithTag(skin.childNodes, "fonts"): + for font in elementsWithTag(c.childNodes, "font"): + filename = str(font.getAttribute("filename") or "") + 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) - if myscreen == None: - print "no skin for screen " + name + " found!" - return; + for windowstyle in elementsWithTag(skin.childNodes, "windowstyle"): + style = eWindowStyleSkinned() + id = int(windowstyle.getAttribute("id") or "0") + + # 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")) + for pixmap in elementsWithTag(borderset.childNodes, "pixmap"): + bpName = str(pixmap.getAttribute("pos")) + filename = str(pixmap.getAttribute("filename")) + + png = loadPixmap(resolveFilename(SCOPE_SKIN_IMAGE, filename, path_prefix=path_prefix)) + + # adapt palette + desktop.makeCompatiblePixmap(png) + style.setPixmap(eWindowStyleSkinned.__dict__[bsName], eWindowStyleSkinned.__dict__[bpName], png) + + for color in elementsWithTag(windowstyle.childNodes, "color"): + type = str(color.getAttribute("name")) + color = parseColor(color.getAttribute("color")) + + try: + style.setColor(eWindowStyleSkinned.__dict__["col" + type], color) + except: + raise ("Unknown color %s" % (type)) + + x = eWindowStyleManager.getInstance() + x.setStyle(id, style) + +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: + return x, path + return None, None + +def readSkin(screen, skin, names, desktop): + if not isinstance(names, list): + names = [names] + + name = "" % screen.__class__.__name__ + + # try all skins, first existing one have priority + for n in names: + myscreen, path = lookupScreen(n) + if myscreen is not None: + # use this name for debug output + name = n + break + + # otherwise try embedded skin + myscreen = myscreen or getattr(screen, "parsedSkin", None) + + # 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 is not None, "no skin for screen '" + repr(names) + "' found!" + + screen.skinAttributes = [ ] + + skin_path_prefix = getattr(screen, "skin_path", path) + + collectAttributes(screen.skinAttributes, myscreen, skin_path_prefix, ignore=["name"]) + + screen.additionalWidgets = [ ] + screen.renderer = [ ] + + visited_components = set() # now walk all widgets - for widget in myscreen.getElementsByTagName("widget"): - name = widget.getAttribute('name') - if name == None: - print "widget has no name!" + 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') + 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 - guiObject = screen.data[name]["instance"] - applyAttributes(guiObject, widget) + if wname: + visited_components.add(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 + + # and collect attributes for this + collectAttributes(attributes, widget, skin_path_prefix, ignore=['name']) + elif wsource: + # get corresponding source + + while True: # until we found a non-obsolete source + + # parse our current "wsource", which might specifiy a "related screen" before the dot, + # for example to reference a parent, global or session-global screen. + scr = screen + + # resolve all path components + path = wsource.split('.') + while len(path) > 1: + scr = screen.getRelatedScreen(path[0]) + if scr is None: + print wsource + print name + raise SkinError("specified related screen '" + wsource + "' was not found in screen '" + name + "'!") + path = path[1:] + + # resolve the source. + source = scr.get(path[0]) + if isinstance(source, ObsoleteSource): + # however, if we found an "obsolete source", issue warning, and resolve the real source. + print "WARNING: SKIN '%s' USES OBSOLETE SOURCE '%s', USE '%s' INSTEAD!" % (name, wsource, source.new_source) + print "OBSOLETE SOURCE WILL BE REMOVED %s, PLEASE UPDATE!" % (source.removal_date) + if source.description: + print source.description + + wsource = source.new_source + else: + # otherwise, use that source. + break + + 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 converter!" + + 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) + + from Components.GUIComponent import GUIComponent + nonvisited_components = [x for x in set(screen.keys()) - visited_components if isinstance(x, GUIComponent)] + + assert not nonvisited_components, "the following components in %s don't have a skin entry: %s" % (name, ', '.join(nonvisited_components)) + + # now walk additional objects + for widget in elementsWithTag(myscreen.childNodes, lambda x: x != "widget"): + if widget.tagName == "applet": + codeText = mergeText(widget.childNodes).strip() + type = widget.getAttribute('type') + + code = compile(codeText, "skin applet", "exec") + + if type == "onLayoutFinish": + screen.onLayoutFinish.append(code) + else: + raise SkinError("applet type '%s' unknown!" % type) + + continue + + class additionalWidget: + pass + + w = additionalWidget() + + if widget.tagName == "eLabel": + w.widget = eLabel + elif widget.tagName == "ePixmap": + w.widget = ePixmap + else: + raise SkinError("unsupported stuff : %s" % widget.tagName) + + w.skinAttributes = [ ] + collectAttributes(w.skinAttributes, widget, skin_path_prefix, ignore=['name']) + + # applyAttributes(guiObject, widget, desktop) + # guiObject.thisown = 0 + screen.additionalWidgets.append(w)