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** contained in the Technology Preview License Agreement accompanying

** this package.

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** GNU Lesser General Public License Usage

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** General Public License version 2.1 as published by the Free Software

** Foundation and appearing in the file LICENSE.LGPL included in the

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

#ifndef Q3DRAGOBJECT_H

#define Q3DRAGOBJECT_H

#include <QtCore/qobject.h>

#include <QtGui/qcolor.h>

#include <QtGui/qmime.h>

#include <QtGui/qimage.h>

#include <Qt3Support/q3strlist.h>

#include <QtCore/qlist.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Qt3SupportLight)

class QWidget;

class Q3TextDragPrivate;

class Q3DragObjectPrivate;

class Q3StoredDragPrivate;

class Q3ImageDragPrivate;

class Q3ImageDrag;

class Q3TextDrag;

class Q3StrList;

class QImage;

class QPixmap;

class Q_COMPAT_EXPORT Q3DragObject : public QObject, public QMimeSource {

    Q_OBJECT

    Q_DECLARE_PRIVATE(Q3DragObject)

public:

    Q3DragObject(QWidget * dragSource = 0, const char *name = 0);

    virtual ~Q3DragObject();

    bool drag();

    bool dragMove();

    void dragCopy();

    void dragLink();

    virtual void setPixmap(QPixmap);

    virtual void setPixmap(QPixmap, const QPoint& hotspot);

    QPixmap pixmap() const;

    QPoint pixmapHotSpot() const;

    QWidget * source();

    static QWidget * target();

    enum DragMode { DragDefault, DragCopy, DragMove, DragLink, DragCopyOrMove };

protected:

    Q3DragObject(Q3DragObjectPrivate &, QWidget *dragSource = 0);

    virtual bool drag(DragMode);

private:

    friend class QDragMime;

    Q_DISABLE_COPY(Q3DragObject)

};

class Q_COMPAT_EXPORT Q3StoredDrag: public Q3DragObject {

    Q_OBJECT

    Q_DECLARE_PRIVATE(Q3StoredDrag)

public:

    Q3StoredDrag(const char *mimeType, QWidget *dragSource = 0, const char *name = 0);

    ~Q3StoredDrag();

    virtual void setEncodedData(const QByteArray &);

    const char * format(int i) const;

    virtual QByteArray encodedData(const char*) const;

protected:

    Q3StoredDrag(Q3StoredDragPrivate &, const char *mimeType, QWidget *dragSource = 0);

private:

    Q_DISABLE_COPY(Q3StoredDrag)

};

class Q_COMPAT_EXPORT Q3TextDrag: public Q3DragObject {

    Q_OBJECT

    Q_DECLARE_PRIVATE(Q3TextDrag)

public:

    Q3TextDrag(const QString &, QWidget *dragSource = 0, const char *name = 0);

    Q3TextDrag(QWidget * dragSource = 0, const char * name = 0);

    ~Q3TextDrag();

    virtual void setText(const QString &);

    virtual void setSubtype(const QString &);

    const char * format(int i) const;

    virtual QByteArray encodedData(const char*) const;

    static bool canDecode(const QMimeSource* e);

    static bool decode(const QMimeSource* e, QString& s);

    static bool decode(const QMimeSource* e, QString& s, QString& subtype);

protected:

    Q3TextDrag(Q3TextDragPrivate &, QWidget * dragSource = 0);

private:

    Q_DISABLE_COPY(Q3TextDrag)

};

class Q_COMPAT_EXPORT Q3ImageDrag: public Q3DragObject {

    Q_OBJECT

    Q_DECLARE_PRIVATE(Q3ImageDrag)

public:

    Q3ImageDrag(QImage image, QWidget * dragSource = 0, const char * name = 0);

    Q3ImageDrag(QWidget * dragSource = 0, const char * name = 0);

    ~Q3ImageDrag();

    virtual void setImage(QImage image);

    const char * format(int i) const;

    virtual QByteArray encodedData(const char*) const;

    static bool canDecode(const QMimeSource* e);

    static bool decode(const QMimeSource* e, QImage& i);

    static bool decode(const QMimeSource* e, QPixmap& i);

protected:

    Q3ImageDrag(Q3ImageDragPrivate &, QWidget * dragSource = 0);

private:

    Q_DISABLE_COPY(Q3ImageDrag)

};

class Q_COMPAT_EXPORT Q3UriDrag: public Q3StoredDrag {

    Q_OBJECT

public:

    Q3UriDrag(const Q3StrList &uris, QWidget * dragSource = 0, const char * name = 0);

    Q3UriDrag(QWidget * dragSource = 0, const char * name = 0);

    ~Q3UriDrag();

    void setFileNames(const QStringList & fnames);

    inline void setFileNames(const QString & fname) { setFileNames(QStringList(fname)); }

    void setFilenames(const QStringList & fnames) { setFileNames(fnames); }

    inline void setFilenames(const QString & fname) { setFileNames(QStringList(fname)); }

    void setUnicodeUris(const QStringList & uuris);

    virtual void setUris(const QList<QByteArray> &uris);

    static QString uriToLocalFile(const char*);

    static QByteArray localFileToUri(const QString&);

    static QString uriToUnicodeUri(const char*);

    static QByteArray unicodeUriToUri(const QString&);

    static bool canDecode(const QMimeSource* e);

    static bool decode(const QMimeSource* e, Q3StrList& i);

    static bool decodeToUnicodeUris(const QMimeSource* e, QStringList& i);

    static bool decodeLocalFiles(const QMimeSource* e, QStringList& i);

private:

    Q_DISABLE_COPY(Q3UriDrag)

};

class Q_COMPAT_EXPORT Q3ColorDrag : public Q3StoredDrag

{

    Q_OBJECT

    QColor color;

public:

    Q3ColorDrag(const QColor &col, QWidget *dragsource = 0, const char *name = 0);

    Q3ColorDrag(QWidget * dragSource = 0, const char * name = 0);

    void setColor(const QColor &col);

    static bool canDecode(QMimeSource *);

    static bool decode(QMimeSource *, QColor &col);

private:

    Q_DISABLE_COPY(Q3ColorDrag)

};

QT_END_NAMESPACE

QT_END_HEADER

#endif // Q3DRAGOBJECT_H