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

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** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

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** contained in the Technology Preview License Agreement accompanying

** this package.

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

#ifndef QCLIPBOARD_H

#define QCLIPBOARD_H

#include <QtCore/qobject.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Gui)

#ifndef QT_NO_CLIPBOARD

class QMimeSource;

class QMimeData;

class QImage;

class QPixmap;

class QClipboardPrivate;

class Q_GUI_EXPORT QClipboard : public QObject

{

    Q_OBJECT

    Q_DECLARE_PRIVATE(QClipboard)

private:

    QClipboard(QObject *parent);

    ~QClipboard();

public:

    enum Mode { Clipboard, Selection, FindBuffer, LastMode = FindBuffer };

    void clear(Mode mode = Clipboard);

    bool supportsSelection() const;

    bool supportsFindBuffer() const;

    bool ownsSelection() const;

    bool ownsClipboard() const;

    bool ownsFindBuffer() const;

    QString text(Mode mode = Clipboard) const;

    QString text(QString& subtype, Mode mode = Clipboard) const;

    void setText(const QString &, Mode mode = Clipboard);

#ifdef QT3_SUPPORT

    QT3_SUPPORT QMimeSource *data(Mode mode = Clipboard) const;

    QT3_SUPPORT void setData(QMimeSource*, Mode mode = Clipboard);

#endif

    const QMimeData *mimeData(Mode mode = Clipboard ) const;

    void setMimeData(QMimeData *data, Mode mode = Clipboard);

    QImage image(Mode mode = Clipboard) const;

    QPixmap pixmap(Mode mode = Clipboard) const;

    void setImage(const QImage &, Mode mode  = Clipboard);

    void setPixmap(const QPixmap &, Mode mode  = Clipboard);

Q_SIGNALS:

    void changed(QClipboard::Mode mode);

    void selectionChanged();

    void findBufferChanged();

    void dataChanged();

private Q_SLOTS:

    void ownerDestroyed();

protected:

    void connectNotify(const char *);

    bool event(QEvent *);

    friend class QApplication;

    friend class QApplicationPrivate;

    friend class QBaseApplication;

    friend class QDragManager;

    friend class QMimeSource;

private:

    Q_DISABLE_COPY(QClipboard)

    bool supportsMode(Mode mode) const;

    bool ownsMode(Mode mode) const;

    void emitChanged(Mode mode);

};

#endif // QT_NO_CLIPBOARD

QT_END_NAMESPACE

QT_END_HEADER

#endif // QCLIPBOARD_H