src/gui/styles/qstyleplugin.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 06 Jul 2010 15:10:48 +0300
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/****************************************************************************
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**
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** Copyright (C) 2010 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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#include "qstyleplugin.h"
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#include "qstyle.h"
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QT_BEGIN_NAMESPACE
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/*!
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    \class QStylePlugin
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    \brief The QStylePlugin class provides an abstract base for custom QStyle plugins.
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    \ingroup plugins
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    QStylePlugin is a simple plugin interface that makes it easy
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    to create custom styles that can be loaded dynamically into
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    applications using the QStyleFactory class.
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    Writing a style plugin is achieved by subclassing this base class,
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    reimplementing the pure virtual keys() and create() functions, and
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    exporting the class using the Q_EXPORT_PLUGIN2() macro. See \l
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    {How to Create Qt Plugins} for details.
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    \sa QStyleFactory, QStyle
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*/
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/*!
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    \fn QStringList QStylePlugin::keys() const
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    Returns the list of style keys this plugin supports.
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    These keys are usually the class names of the custom styles that
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    are implemented in the plugin.
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    \sa create()
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*/
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/*!
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    \fn QStyle *QStylePlugin::create(const QString& key)
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    Creates and returns a QStyle object for the given style \a key.
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    If a plugin cannot create a style, it should return 0 instead.
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    The style key is usually the class name of the required
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    style. Note that the keys are case insensitive. For example:
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    \snippet doc/src/snippets/qstyleplugin/main.cpp 0
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    \codeline
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    \snippet doc/src/snippets/qstyleplugin/main.cpp 1
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    \snippet doc/src/snippets/qstyleplugin/main.cpp 2
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    \sa keys()
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*/
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/*!
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    Constructs a style plugin with the given \a parent.
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    Note that this constructor is invoked automatically by the
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    Q_EXPORT_PLUGIN2() macro, so there is no need for calling it
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    explicitly.
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*/
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QStylePlugin::QStylePlugin(QObject *parent)
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    : QObject(parent)
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{
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}
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/*!
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    Destroys the style plugin.
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    Note that Qt destroys a plugin automatically when it is no longer
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    used, so there is no need for calling the destructor explicitly.
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*/
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QStylePlugin::~QStylePlugin()
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{
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}
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QT_END_NAMESPACE