/****************************************************************************+
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**+
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** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).+
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** All rights reserved.+
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** Contact: Nokia Corporation (qt-info@nokia.com)+
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**+
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** This file is part of the QtGui module of the Qt Toolkit.+
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**+
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** $QT_BEGIN_LICENSE:LGPL$+
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** No Commercial Usage+
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** This file contains pre-release code and may not be distributed.+
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** You may use this file in accordance with the terms and conditions+
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** contained in the Technology Preview License Agreement accompanying+
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** this package.+
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**+
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** GNU Lesser General Public License Usage+
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** Alternatively, this file may be used under the terms of the GNU Lesser+
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** General Public License version 2.1 as published by the Free Software+
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** Foundation and appearing in the file LICENSE.LGPL included in the+
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** packaging of this file.  Please review the following information to+
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** ensure the GNU Lesser General Public License version 2.1 requirements+
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.+
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**+
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** In addition, as a special exception, Nokia gives you certain additional+
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** rights.  These rights are described in the Nokia Qt LGPL Exception+
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.+
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**+
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** If you have questions regarding the use of this file, please contact+
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** Nokia at qt-info@nokia.com.+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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** $QT_END_LICENSE$+
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**+
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****************************************************************************/+
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+
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#include "qdesktopservices.h"+
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+
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#ifndef QT_NO_DESKTOPSERVICES+
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+
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#include <qprocess.h>+
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#include <qurl.h>+
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#include <qdir.h>+
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#include <qfile.h>+
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#include <qtextstream.h>+
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#include <private/qt_x11_p.h>+
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#include <qcoreapplication.h>+
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#include <stdlib.h>+
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+
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QT_BEGIN_NAMESPACE+
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+
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inline static bool launch(const QUrl &url, const QString &client)+
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{+
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#if !defined(QT_NO_PROCESS)+
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    return (QProcess::startDetached(client + QLatin1Char(' ') + QString::fromLatin1(url.toEncoded().constData())));+
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#else+
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    return (::system((client + QLatin1Char(' ') + QString::fromLatin1(url.toEncoded().constData())).toLocal8Bit().constData()) != -1);+
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#endif+
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}+
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+
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static bool openDocument(const QUrl &url)+
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{+
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    if (!url.isValid())+
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        return false;+
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+
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    if (launch(url, QLatin1String("xdg-open")))+
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        return true;+
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+
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    if (X11->desktopEnvironment == DE_GNOME && launch(url, QLatin1String("gnome-open"))) {+
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        return true;+
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    } else {+
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        if (X11->desktopEnvironment == DE_KDE && launch(url, QLatin1String("kfmclient exec")))+
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            return true;+
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    }+
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+
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    if (launch(url, QLatin1String("firefox")))+
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        return true;+
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    if (launch(url, QLatin1String("mozilla")))+
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        return true;+
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    if (launch(url, QLatin1String("netscape")))+
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        return true;+
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    if (launch(url, QLatin1String("opera")))+
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        return true;+
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+
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    return false;+
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}+
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+
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static bool launchWebBrowser(const QUrl &url)+
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{+
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    if (!url.isValid())+
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        return false;+
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    if (url.scheme() == QLatin1String("mailto"))+
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        return openDocument(url);+
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+
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    if (launch(url, QLatin1String("xdg-open")))+
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        return true;+
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    if (launch(url, QString::fromLocal8Bit(getenv("DEFAULT_BROWSER"))))+
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        return true;+
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    if (launch(url, QString::fromLocal8Bit(getenv("BROWSER"))))+
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        return true;+
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+
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    if (X11->desktopEnvironment == DE_GNOME && launch(url, QLatin1String("gnome-open"))) {+
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        return true;+
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    } else {+
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        if (X11->desktopEnvironment == DE_KDE && launch(url, QLatin1String("kfmclient openURL")))+
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            return true;+
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    }+
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+
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    if (launch(url, QLatin1String("firefox")))+
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        return true;+
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    if (launch(url, QLatin1String("mozilla")))+
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        return true;+
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    if (launch(url, QLatin1String("netscape")))+
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        return true;+
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    if (launch(url, QLatin1String("opera")))+
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        return true;+
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    return false;+
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}+
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+
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+
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+
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QString QDesktopServices::storageLocation(StandardLocation type)+
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{+
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    if (type == QDesktopServices::HomeLocation)+
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        return QDir::homePath();+
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    if (type == QDesktopServices::TempLocation)+
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        return QDir::tempPath();+
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+
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    // http://standards.freedesktop.org/basedir-spec/basedir-spec-0.6.html+
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    if (type == QDesktopServices::CacheLocation) {+
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        QString xdgCacheHome = QLatin1String(qgetenv("XDG_CACHE_HOME"));+
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        if (xdgCacheHome.isEmpty())+
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            xdgCacheHome = QDir::homePath() + QLatin1String("/.cache");+
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        xdgCacheHome += QLatin1Char('/') + QCoreApplication::organizationName()+
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                    + QLatin1Char('/') + QCoreApplication::applicationName();+
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        return xdgCacheHome;+
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    }+
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+
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    if (type == QDesktopServices::DataLocation) {+
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        QString xdgDataHome = QLatin1String(qgetenv("XDG_DATA_HOME"));+
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        if (xdgDataHome.isEmpty())+
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            xdgDataHome = QDir::homePath() + QLatin1String("/.local/share");+
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        xdgDataHome += QLatin1String("/data/")+
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                    + QCoreApplication::organizationName() + QLatin1Char('/')+
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                    + QCoreApplication::applicationName();+
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        return xdgDataHome;+
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    }+
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+
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    // http://www.freedesktop.org/wiki/Software/xdg-user-dirs+
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    QString xdgConfigHome = QLatin1String(qgetenv("XDG_CONFIG_HOME"));+
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    if (xdgConfigHome.isEmpty())+
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        xdgConfigHome = QDir::homePath() + QLatin1String("/.config");+
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    QFile file(xdgConfigHome + QLatin1String("/user-dirs.dirs"));+
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    if (file.exists() && file.open(QIODevice::ReadOnly)) {+
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        QHash<QString, QString> lines;+
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        QTextStream stream(&file);+
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        // Only look for lines like: XDG_DESKTOP_DIR="$HOME/Desktop"+
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        QRegExp exp(QLatin1String("^XDG_(.*)_DIR=(.*)$"));+
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        while (!stream.atEnd()) {+
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            QString line = stream.readLine();+
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            if (exp.indexIn(line) != -1) {+
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                QStringList lst = exp.capturedTexts();+
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                QString key = lst.at(1);+
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                QString value = lst.at(2);+
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                if (value.length() > 2+
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                    && value.startsWith(QLatin1Char('\"'))+
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                    && value.endsWith(QLatin1Char('\"')))+
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                    value = value.mid(1, value.length() - 2);+
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                // Store the key and value: "DESKTOP", "$HOME/Desktop"+
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                lines[key] = value;+
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            }+
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        }+
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+
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        QString key;+
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        switch (type) {+
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        case DesktopLocation: key = QLatin1String("DESKTOP"); break;+
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        case DocumentsLocation: key = QLatin1String("DOCUMENTS"); break;+
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        case PicturesLocation: key = QLatin1String("PICTURES"); break;+
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        case MusicLocation: key = QLatin1String("MUSIC"); break;+
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        case MoviesLocation: key = QLatin1String("VIDEOS"); break;+
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        default: break;+
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        }+
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        if (!key.isEmpty() && lines.contains(key)) {+
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            QString value = lines[key];+
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            // value can start with $HOME+
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            if (value.startsWith(QLatin1String("$HOME")))+
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                value = QDir::homePath() + value.mid(5);+
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            return value;+
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        }+
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    }+
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+
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    QDir emptyDir;+
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    QString path;+
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    switch (type) {+
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    case DesktopLocation:+
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        path = QDir::homePath() + QLatin1String("/Desktop");+
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        break;+
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    case DocumentsLocation:+
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        path = QDir::homePath() + QLatin1String("/Documents");+
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       break;+
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    case PicturesLocation:+
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        path = QDir::homePath() + QLatin1String("/Pictures");+
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        break;+
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+
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    case FontsLocation:+
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        path = QDir::homePath() + QLatin1String("/.fonts");+
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        break;+
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+
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    case MusicLocation:+
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        path = QDir::homePath() + QLatin1String("/Music");+
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        break;+
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+
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    case MoviesLocation:+
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        path = QDir::homePath() + QLatin1String("/Videos");+
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        break;+
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+
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    case ApplicationsLocation:+
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    default:+
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        break;+
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    }+
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+
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    return path;+
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}+
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+
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QString QDesktopServices::displayName(StandardLocation type)+
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{+
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    Q_UNUSED(type);+
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    return QString();+
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}+
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+
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QT_END_NAMESPACE+
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+
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#endif // QT_NO_DESKTOPSERVICES+
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