+QStringList dataDirPaths() {
+ QStringList dataDirNames = QString(qgetenv("XDG_DATA_DIRS")).split(':', QString::SkipEmptyParts);
+
+ // Provide a fallback
+# ifdef Q_OS_UNIX
+ if(dataDirNames.isEmpty()) dataDirNames.append("/usr/share");
+ // on UNIX, we always check our install prefix
+ QString appDir = QCoreApplication::applicationDirPath();
+ int binpos = appDir.lastIndexOf("/bin");
+ if(binpos >= 0) {
+ appDir.replace(binpos, 4, "/share");
+ if(!dataDirNames.contains(appDir)) dataDirNames.append(appDir);
+ }
+# endif
+
+ return dataDirNames;
+}
+
+QString findDataFilePath(const QString &fileName) {
+ QStringList dataDirs = dataDirPaths();
+ foreach(QString dataDir, dataDirs) {
+ QString path = dataDir + "/apps/quassel/" + fileName;
+ if(QFile::exists(path))
+ return path;
+ }
+ return QString();
+}
+