/****************************************************************************
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** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
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** This file is part of the QtGui module of the Qt Toolkit.
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** $QT_BEGIN_LICENSE:LGPL$
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** packaging of this file.  Please review the following information to
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****************************************************************************/

#ifndef QCLIPBOARD_H
#define QCLIPBOARD_H

#include <QtCore/qobject.h>

QT_BEGIN_NAMESPACE


#ifndef QT_NO_CLIPBOARD

class QMimeData;
class QImage;
class QPixmap;

class Q_GUI_EXPORT QClipboard : public QObject
{
    Q_OBJECT
private:
    explicit 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);

    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();

protected:
    friend class QApplication;
    friend class QApplicationPrivate;
    friend class QGuiApplication;
    friend class QBaseApplication;
    friend class QDragManager;
    friend class QPlatformClipboard;

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

#endif // QCLIPBOARD_H
