mirror of
https://github.com/RetroDECK/ES-DE.git
synced 2024-11-23 22:55:39 +00:00
363 lines
9.6 KiB
C++
363 lines
9.6 KiB
C++
#include "ThemeData.h"
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#include "Renderer.h"
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#include "resources/Font.h"
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#include "Sound.h"
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#include "resources/TextureResource.h"
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#include "Log.h"
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#include "pugiXML/pugixml.hpp"
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#include <boost/assign.hpp>
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#include "components/ImageComponent.h"
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#include "components/TextComponent.h"
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std::map< std::string, std::map<std::string, ThemeData::ElementPropertyType> > ThemeData::sElementMap = boost::assign::map_list_of
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("image", boost::assign::map_list_of
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("pos", NORMALIZED_PAIR)
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("size", NORMALIZED_PAIR)
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("origin", NORMALIZED_PAIR)
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("path", PATH)
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("tile", BOOLEAN))
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("text", boost::assign::map_list_of
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("pos", NORMALIZED_PAIR)
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("size", NORMALIZED_PAIR)
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("text", STRING)
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("color", COLOR)
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("fontPath", PATH)
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("fontSize", FLOAT)
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("center", BOOLEAN))
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("textlist", boost::assign::map_list_of
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("pos", NORMALIZED_PAIR)
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("size", NORMALIZED_PAIR)
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("selectorColor", COLOR)
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("selectedColor", COLOR)
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("primaryColor", COLOR)
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("secondaryColor", COLOR)
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("fontPath", PATH)
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("fontSize", FLOAT)
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("scrollSound", PATH))
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("container", boost::assign::map_list_of
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("pos", NORMALIZED_PAIR)
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("size", NORMALIZED_PAIR))
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("ninepatch", boost::assign::map_list_of
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("pos", NORMALIZED_PAIR)
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("size", NORMALIZED_PAIR)
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("path", PATH))
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("sound", boost::assign::map_list_of
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("path", PATH));
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namespace fs = boost::filesystem;
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#define MINIMUM_THEME_VERSION 3
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#define CURRENT_THEME_VERSION 3
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// helper
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unsigned int getHexColor(const char* str)
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{
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ThemeException error;
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if(!str)
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throw error << "Empty color";
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size_t len = strlen(str);
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if(len != 6 && len != 8)
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throw error << "Invalid color (bad length, \"" << str << "\" - must be 6 or 8)";
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unsigned int val;
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std::stringstream ss;
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ss << str;
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ss >> std::hex >> val;
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if(len == 6)
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val = (val << 8) | 0xFF;
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return val;
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}
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// helper
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std::string resolvePath(const char* in, const fs::path& relative)
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{
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if(!in || in[0] == '\0')
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return in;
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fs::path relPath = relative.parent_path();
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boost::filesystem::path path(in);
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// we use boost filesystem here instead of just string checks because
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// some directories could theoretically start with ~ or .
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if(*path.begin() == "~")
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{
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path = getHomePath() + (in + 1);
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}else if(*path.begin() == ".")
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{
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path = relPath / (in + 1);
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}
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return path.generic_string();
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}
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ThemeData::ThemeData()
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{
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mVersion = 0;
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}
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void ThemeData::loadFile(const std::string& path)
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{
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mPaths.push_back(path);
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ThemeException error;
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error.setFiles(mPaths);
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if(!fs::exists(path))
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throw error << "File does not exist!";
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mVersion = 0;
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mViews.clear();
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pugi::xml_document doc;
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pugi::xml_parse_result res = doc.load_file(path.c_str());
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if(!res)
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throw error << "XML parsing error: \n " << res.description();
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pugi::xml_node root = doc.child("theme");
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if(!root)
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throw error << "Missing <theme> tag!";
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// parse version
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mVersion = root.child("version").text().as_float(-404);
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if(mVersion == -404)
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throw error << "<version> tag missing!\n It's either out of date or you need to add <version>" << CURRENT_THEME_VERSION << "</version> inside your <theme> tag.";
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if(mVersion < MINIMUM_THEME_VERSION)
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throw error << "Theme is version " << mVersion << ". Minimum supported version is " << MINIMUM_THEME_VERSION << ".";
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parseIncludes(root);
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parseViews(root);
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}
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void ThemeData::parseIncludes(const pugi::xml_node& root)
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{
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ThemeException error;
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error.setFiles(mPaths);
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for(pugi::xml_node node = root.child("include"); node; node = node.next_sibling("include"))
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{
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const char* relPath = node.text().get();
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std::string path = resolvePath(relPath, mPaths.back());
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if(!ResourceManager::getInstance()->fileExists(path))
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throw error << "Included file \"" << relPath << "\" not found! (resolved to \"" << path << "\")";
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error << " from included file \"" << relPath << "\":\n ";
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mPaths.push_back(path);
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pugi::xml_document includeDoc;
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pugi::xml_parse_result result = includeDoc.load_file(path.c_str());
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if(!result)
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throw error << "Error parsing file: \n " << result.description();
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pugi::xml_node root = includeDoc.child("theme");
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if(!root)
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throw error << "Missing <theme> tag!";
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parseIncludes(root);
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parseViews(root);
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mPaths.pop_back();
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}
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}
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void ThemeData::parseViews(const pugi::xml_node& root)
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{
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ThemeException error;
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error.setFiles(mPaths);
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pugi::xml_node common = root.find_child_by_attribute("view", "name", "common");
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// parse views
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for(pugi::xml_node node = root.child("view"); node; node = node.next_sibling("view"))
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{
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if(!node.attribute("name"))
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throw error << "View missing \"name\" attribute!";
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const char* viewKey = node.attribute("name").as_string();
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ThemeView& view = mViews.insert(std::make_pair<std::string, ThemeView>(viewKey, ThemeView())).first->second;
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// load common first
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if(common && node != common)
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parseView(common, view);
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parseView(node, view);
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}
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}
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void ThemeData::parseView(const pugi::xml_node& root, ThemeView& view)
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{
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ThemeException error;
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error.setFiles(mPaths);
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for(pugi::xml_node node = root.first_child(); node; node = node.next_sibling())
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{
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if(!node.attribute("name"))
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throw error << "Element of type \"" << node.name() << "\" missing \"name\" attribute!";
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auto elemTypeIt = sElementMap.find(node.name());
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if(elemTypeIt == sElementMap.end())
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throw error << "Unknown element of type \"" << node.name() << "\"!";
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const char* elemKey = node.attribute("name").as_string();
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parseElement(node, elemTypeIt->second,
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view.elements.insert(std::make_pair<std::string, ThemeElement>(elemKey, ThemeElement())).first->second);
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}
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}
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void ThemeData::parseElement(const pugi::xml_node& root, const std::map<std::string, ElementPropertyType>& typeMap, ThemeElement& element)
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{
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ThemeException error;
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error.setFiles(mPaths);
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element.type = root.name();
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element.extra = root.attribute("extra").as_bool(false);
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for(pugi::xml_node node = root.first_child(); node; node = node.next_sibling())
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{
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auto typeIt = typeMap.find(node.name());
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if(typeIt == typeMap.end())
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throw error << "Unknown property type \"" << node.name() << "\" (for element of type " << root.name() << ").";
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switch(typeIt->second)
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{
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case NORMALIZED_PAIR:
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{
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std::string str = std::string(node.text().as_string());
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size_t divider = str.find(' ');
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if(divider == std::string::npos)
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throw error << "invalid normalized pair (\"" << str.c_str() << "\")";
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std::string first = str.substr(0, divider);
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std::string second = str.substr(divider, std::string::npos);
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Eigen::Vector2f val(atof(first.c_str()), atof(second.c_str()));
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element.properties[node.name()] = val;
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break;
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}
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case STRING:
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element.properties[node.name()] = std::string(node.text().as_string());
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break;
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case PATH:
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{
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std::string path = resolvePath(node.text().as_string(), mPaths.back().string());
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if(!ResourceManager::getInstance()->fileExists(path))
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{
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std::stringstream ss;
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ss << " Warning " << error.msg; // "from theme yadda yadda, included file yadda yadda
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ss << "could not find file \"" << node.text().get() << "\" ";
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if(node.text().get() != path)
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ss << "(which resolved to \"" << path << "\") ";
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LOG(LogWarning) << ss.str();
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}
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element.properties[node.name()] = path;
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break;
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}
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case COLOR:
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element.properties[node.name()] = getHexColor(node.text().as_string());
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break;
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case FLOAT:
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element.properties[node.name()] = node.text().as_float();
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break;
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case BOOLEAN:
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element.properties[node.name()] = node.text().as_bool();
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break;
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default:
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throw error << "Unknown ElementPropertyType for " << root.attribute("name").as_string() << " property " << node.name();
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}
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}
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}
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const ThemeData::ThemeElement* ThemeData::getElement(const std::string& view, const std::string& element, const std::string& expectedType) const
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{
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auto viewIt = mViews.find(view);
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if(viewIt == mViews.end())
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{
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// also check common if the view never existed to begin with
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viewIt = mViews.find("common");
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if(viewIt == mViews.end())
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return NULL;
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}
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auto elemIt = viewIt->second.elements.find(element);
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if(elemIt == viewIt->second.elements.end()) return NULL;
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if(elemIt->second.type != expectedType && !expectedType.empty())
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{
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LOG(LogWarning) << " requested mismatched theme type for [" << view << "." << element << "] - expected \""
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<< expectedType << "\", got \"" << elemIt->second.type << "\"";
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return NULL;
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}
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return &elemIt->second;
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}
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const std::shared_ptr<ThemeData>& ThemeData::getDefault()
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{
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static std::shared_ptr<ThemeData> theme = nullptr;
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if(theme == nullptr)
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{
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theme = std::shared_ptr<ThemeData>(new ThemeData());
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theme->loadFile(getHomePath() + "/.emulationstation/es_theme_default.xml");
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}
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return theme;
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}
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std::vector<GuiComponent*> ThemeData::makeExtras(const std::shared_ptr<ThemeData>& theme, const std::string& view, Window* window)
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{
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std::vector<GuiComponent*> comps;
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auto viewIt = theme->mViews.find(view);
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if(viewIt == theme->mViews.end())
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return comps;
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for(auto it = viewIt->second.elements.begin(); it != viewIt->second.elements.end(); it++)
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{
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if(it->second.extra)
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{
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GuiComponent* comp = NULL;
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const std::string& t = it->second.type;
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if(t == "image")
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comp = new ImageComponent(window);
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else if(t == "text")
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comp = new TextComponent(window);
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comp->applyTheme(theme, view, it->first, ThemeFlags::ALL);
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comps.push_back(comp);
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}
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}
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return comps;
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}
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void ThemeExtras::setExtras(const std::vector<GuiComponent*>& extras)
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{
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// delete old extras (if any)
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for(auto it = mExtras.begin(); it != mExtras.end(); it++)
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delete *it;
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mExtras = extras;
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for(auto it = mExtras.begin(); it != mExtras.end(); it++)
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addChild(*it);
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}
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ThemeExtras::~ThemeExtras()
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{
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for(auto it = mExtras.begin(); it != mExtras.end(); it++)
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delete *it;
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}
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