source: branches/4.5.1/doc/src/snippets/qstyleplugin/main.cpp

/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information ([email protected])
**
** This file is part of the documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial Usage
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at [email protected].
** $QT_END_LICENSE$
**
****************************************************************************/

#include <QApplication>
#include <QtGui>

class MyStylePlugin : public QStylePlugin
{
public:
    MyStylePlugin(QObject *parent = 0);

    QStyle *create(const QString &key);
    QStringList keys() const;
};

class RocketStyle : public QCommonStyle
{
public:
    RocketStyle() {};

};

class StarBusterStyle : public QCommonStyle
{
public:
    StarBusterStyle() {};
};

MyStylePlugin::MyStylePlugin(QObject *parent)
    : QStylePlugin(parent)
{
}

//! [0]
QStringList MyStylePlugin::keys() const
{
    return QStringList() << "Rocket" << "StarBuster";
}
//! [0]

//! [1]
QStyle *MyStylePlugin::create(const QString &key)
{
    QString lcKey = key;
    if (lcKey == "rocket") {
        return new RocketStyle;
    } else if (lcKey == "starbuster") {
        return new StarBusterStyle;
    }
    return 0;
//! [1] //! [2]
}
//! [2]

int main(int argc, char *argv[])
{
    QApplication app(argc, argv);
    MyStylePlugin plugin;
    return app.exec();
}