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Diffstat (limited to 'src/python/widget/skin.py')
| -rw-r--r-- | src/python/widget/skin.py | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/src/python/widget/skin.py b/src/python/widget/skin.py new file mode 100644 index 0000000..9490d40 --- /dev/null +++ b/src/python/widget/skin.py @@ -0,0 +1,161 @@ +# -*- coding: utf-8 -*- +# libavg - Media Playback Engine. +# Copyright (C) 2003-2014 Ulrich von Zadow +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +# +# Current versions can be found at www.libavg.de + +from libavg import avg + +import os, copy +import xml.etree.ElementTree as ET + +class Skin: + + default = None + + def __init__(self, skinXmlFName, mediaDir=""): + global defaultMediaDir + self.__mediaDir = defaultMediaDir if mediaDir == "" else mediaDir + schemaFName = defaultMediaDir+"skin.xsd" + schemaString = open(schemaFName, "r").read() + skinPath = os.path.join(self.__mediaDir, skinXmlFName) + xmlString = open(skinPath, "r").read() + avg.validateXml(xmlString, schemaString, skinXmlFName, schemaFName) + + xmlRoot = ET.fromstring(xmlString) + + self.fonts = {} + for fontNode in xmlRoot.findall("fontdef"): + fontid, attrs = self.__splitAttrs(fontNode) + if "baseid" in attrs: + self.fonts[fontid] = copy.copy(self.fonts[attrs["baseid"]]) + font = self.fonts[fontid] + del attrs["baseid"] + for (key, value) in attrs.iteritems(): + setattr(font, key, value) + else: + kwargs = self.__extractArgs(attrs, + ("fontsize", "letterspacing", "linespacing")) + self.fonts[fontid] = avg.FontStyle(**kwargs) + + self.textButtonCfg, self.defaultTextButtonCfg = self.__parseElement( + xmlRoot, "textbutton", + bmpArgNames={"upSrc": "upBmp", "downSrc": "downBmp", + "disabledSrc": "disabledBmp"}, + fontArgNames=("font", "downFont", "disabledFont")) + + self.checkBoxCfg, self.defaultCheckBoxCfg = self.__parseElement( + xmlRoot, "checkbox", + bmpArgNames={"uncheckedUpSrc":"uncheckedUpBmp", + "uncheckedDownSrc":"uncheckedDownBmp", + "uncheckedDisabledSrc":"uncheckedDisabledBmp", + "checkedUpSrc":"checkedUpBmp", + "checkedDownSrc":"checkedDownBmp", + "checkedDisabledSrc":"checkedDisabledBmp"}, + fontArgNames=("font", "downFont", "disabledFont")) + + self.sliderCfg, self.defaultSliderCfg = self.__initSliders(xmlRoot, "slider") + self.scrollBarCfg, self.defaultScrollBarCfg = self.__initSliders( + xmlRoot, "scrollbar") + self.progressBarCfg, self.defaultProgressBarCfg = self.__initSliders( + xmlRoot, "progressbar") + + self.scrollAreaCfg, self.defaultScrollAreaCfg = self.__parseElement( + xmlRoot, "scrollarea", + pyArgNames=("friction","borderEndsExtent","margins", + "sensitiveScrollBars"), + bmpArgNames={"borderSrc":"borderBmp"}) + + self.mediaControlCfg, self.defaultMediaControlCfg = self.__parseElement( + xmlRoot, "mediacontrol", + bmpArgNames={"playUpSrc":"playUpBmp", + "playDownSrc":"playDownBmp", + "playDisabledSrc":"playDisabledBmp", + "pauseUpSrc":"pauseUpBmp", + "pauseDownSrc":"pauseDownBmp", + "pauseDisabledSrc":"pauseDisabledBmp"}, + pyArgNames=("timePos", "timeLeftPos", "barPos", "barRight"), + fontArgNames=("font")) + + def __parseElement(self, xmlRoot, elementName, pyArgNames=(), bmpArgNames={}, + fontArgNames=()): + cfgMap = {} + defaultCfg = None + for node in xmlRoot.findall(elementName): + nodeid, attrs = self.__splitAttrs(node) + kwargs = self.__extractArgs(attrs, pyArgNames=pyArgNames, + bmpArgNames=bmpArgNames, fontArgNames=fontArgNames) + cfgMap[nodeid] = kwargs + if defaultCfg == None or nodeid == None: + defaultCfg = kwargs + return cfgMap, defaultCfg + + def __splitAttrs(self, xmlNode): + attrs = xmlNode.attrib + if "id" in attrs: + nodeID = attrs["id"] + del attrs["id"] + else: + nodeID = None + return nodeID, attrs + + def __extractArgs(self, attrs, pyArgNames=(), bmpArgNames={}, fontArgNames=()): + kwargs = {} + for (key, value) in attrs.iteritems(): + if key in pyArgNames: + kwargs[key] = eval(value) + elif key in bmpArgNames.iterkeys(): + argkey = bmpArgNames[key] + kwargs[argkey] = avg.Bitmap(os.path.join(self.__mediaDir, value)) + elif key in fontArgNames: + kwargs[key] = self.fonts[value] + else: + kwargs[key] = value + return kwargs + + def __initSliders(self, xmlRoot, typeName): + sliderCfg = {} + defaultSliderCfg = None + for sliderXmlNode in xmlRoot.findall(typeName): + (nodeID, bogus) = self.__splitAttrs(sliderXmlNode) + sliderCfg[nodeID] = {} + if defaultSliderCfg == None or nodeID == None: + defaultSliderCfg = sliderCfg[nodeID] + for xmlNode in sliderXmlNode.findall("*"): + # Loop through orientations (horiz, vert) + bogus, attrs = self.__splitAttrs(xmlNode) + kwargs = self.__extractArgs(attrs, + pyArgNames=("trackEndsExtent", "thumbEndsExtent"), + bmpArgNames={"trackSrc": "trackBmp", + "trackDisabledSrc": "trackDisabledBmp", + "thumbUpSrc": "thumbUpBmp", + "thumbDownSrc": "thumbDownBmp", + "thumbDisabledSrc": "thumbDisabledBmp"}) + sliderCfg[nodeID][xmlNode.tag] = kwargs + + return (sliderCfg, defaultSliderCfg) + + +def getBmpFromCfg(cfg, bmpName, defaultName=None): + if bmpName in cfg: + return cfg[bmpName] + else: + return cfg[defaultName] + + +defaultMediaDir = os.path.join(os.path.dirname(__file__), "..", 'data/') +Skin.default = Skin("SimpleSkin.xml", "") |