/****************************************************************************

**

** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).

** All rights reserved.

** Contact: Nokia Corporation (qt-info@nokia.com)

**

** This file is part of the QtGui module of the Qt Toolkit.

**

** $QT_BEGIN_LICENSE:LGPL$

** No Commercial Usage

** This file contains pre-release code and may not be distributed.

** You may use this file in accordance with the terms and conditions

** contained in the Technology Preview License Agreement accompanying

** this package.

**

** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package.

**

** If you have questions regarding the use of this file, please contact

** Nokia at qt-info@nokia.com.

**

**

**

**

**

**

**

**

** $QT_END_LICENSE$

**

****************************************************************************/

#ifndef QICON_H

#define QICON_H

#include <QtCore/qglobal.h>

#include <QtCore/qsize.h>

#include <QtCore/qlist.h>

#include <QtGui/qpixmap.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Gui)

class QIconPrivate;

class QIconEngine;

class QIconEngineV2;

class Q_GUI_EXPORT QIcon

{

public:

    enum Mode { Normal, Disabled, Active, Selected };

    enum State { On, Off };

    QIcon();

    QIcon(const QPixmap &pixmap);

    QIcon(const QIcon &other);

    explicit QIcon(const QString &fileName); // file or resource name

    explicit QIcon(QIconEngine *engine);

    explicit QIcon(QIconEngineV2 *engine);

    ~QIcon();

    QIcon &operator=(const QIcon &other);

    operator QVariant() const;

    QPixmap pixmap(const QSize &size, Mode mode = Normal, State state = Off) const;

    inline QPixmap pixmap(int w, int h, Mode mode = Normal, State state = Off) const

        { return pixmap(QSize(w, h), mode, state); }

    inline QPixmap pixmap(int extent, Mode mode = Normal, State state = Off) const

        { return pixmap(QSize(extent, extent), mode, state); }

    QSize actualSize(const QSize &size, Mode mode = Normal, State state = Off) const;

    void paint(QPainter *painter, const QRect &rect, Qt::Alignment alignment = Qt::AlignCenter, Mode mode = Normal, State state = Off) const;

    inline void paint(QPainter *painter, int x, int y, int w, int h, Qt::Alignment alignment = Qt::AlignCenter, Mode mode = Normal, State state = Off) const

        { paint(painter, QRect(x, y, w, h), alignment, mode, state); }

    bool isNull() const;

    bool isDetached() const;

    void detach();

    int serialNumber() const;

    qint64 cacheKey() const;

    void addPixmap(const QPixmap &pixmap, Mode mode = Normal, State state = Off);

    void addFile(const QString &fileName, const QSize &size = QSize(), Mode mode = Normal, State state = Off);

    QList<QSize> availableSizes(Mode mode = Normal, State state = Off) const;

    static QIcon fromTheme(const QString &name, const QIcon &fallback = QIcon());

    static bool hasThemeIcon(const QString &name);

    static QStringList themeSearchPaths();

    static void setThemeSearchPaths(const QStringList &searchpath);

    static QString themeName();

    static void setThemeName(const QString &path);

#ifdef QT3_SUPPORT

    enum Size { Small, Large, Automatic = Small };

    static QT3_SUPPORT void setPixmapSize(Size which, const QSize &size);

    static QT3_SUPPORT QSize pixmapSize(Size which);

    inline QT3_SUPPORT void reset(const QPixmap &pixmap, Size /*size*/) { *this = QIcon(pixmap); }

    inline QT3_SUPPORT void setPixmap(const QPixmap &pixmap, Size, Mode mode = Normal, State state = Off)

        { addPixmap(pixmap, mode, state); }

    inline QT3_SUPPORT void setPixmap(const QString &fileName, Size, Mode mode = Normal, State state = Off)

        { addPixmap(QPixmap(fileName), mode, state); }

    QT3_SUPPORT QPixmap pixmap(Size size, Mode mode, State state = Off) const;

    QT3_SUPPORT QPixmap pixmap(Size size, bool enabled, State state = Off) const;

    QT3_SUPPORT QPixmap pixmap() const;

#endif

    Q_DUMMY_COMPARISON_OPERATOR(QIcon)

private:

    QIconPrivate *d;

#if !defined(QT_NO_DATASTREAM)

    friend Q_GUI_EXPORT QDataStream &operator<<(QDataStream &, const QIcon &);

    friend Q_GUI_EXPORT QDataStream &operator>>(QDataStream &, QIcon &);

#endif

public:

    typedef QIconPrivate * DataPtr;

    inline DataPtr &data_ptr() { return d; }

};

Q_DECLARE_SHARED(QIcon)

Q_DECLARE_TYPEINFO(QIcon, Q_MOVABLE_TYPE);

#if !defined(QT_NO_DATASTREAM)

Q_GUI_EXPORT QDataStream &operator<<(QDataStream &, const QIcon &);

Q_GUI_EXPORT QDataStream &operator>>(QDataStream &, QIcon &);

#endif

#ifdef QT3_SUPPORT

typedef QIcon QIconSet;

#endif

QT_END_NAMESPACE

QT_END_HEADER

#endif // QICON_H