xdg.cpp

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/**********************************************************************
 * LeechCraft - modular cross-platform feature rich internet client.
 * Copyright (C) 2006-2014  Georg Rudoy
 *
 * Distributed under the Boost Software License, Version 1.0.
 * (See accompanying file LICENSE or copy at https://www.boost.org/LICENSE_1_0.txt)
 **********************************************************************/
 
#include "xdg.h"
#include <QIcon>
#include <QFile>
 
namespace LC::Util::XDG
{
    QIcon GetAppIcon (const QString& name)
    {
        return GetAppPixmap (name);
    }
 
    QPixmap GetAppPixmap (const QString& name)
    {
        static const auto prefixes =
        {
            "/usr/share/pixmaps/",
            "/usr/local/share/pixmaps/"
        };
 
        static const auto sizes = { "192", "128", "96", "72", "64", "48", "36", "32" };
        static const QStringList themes
        {
            QStringLiteral ("/usr/local/share/icons/hicolor/"),
            QStringLiteral ("/usr/share/icons/hicolor/")
        };
 
        for (auto ext : { ".png", ".svg", ".xpm", ".jpg", "" })
        {
            for (auto prefix : prefixes)
                if (const auto& str = prefix + name + ext;
                    QFile::exists (str))
                    return { str };
 
            for (const auto& themeDir : themes)
                for (const auto& size : sizes)
                    if (const auto& str = themeDir + size + 'x' + size + "/apps/" + name + ext;
                        QFile::exists (str))
                        return { str };
        }
 
        return {};
    }
}