qdrag.h

来自「奇趣公司比较新的qt/emd版本」· C头文件 代码 · 共 97 行

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#ifndef QDRAG_H
#define QDRAG_H

#include <QtCore/qobject.h>

QT_BEGIN_HEADER

QT_MODULE(Gui)

#ifndef QT_NO_DRAGANDDROP
class QMimeData;
class QDragPrivate;
class QWidget;
class QPixmap;
class QPoint;
class QDragManager;

class Q_GUI_EXPORT QDrag : public QObject
{
    Q_OBJECT
    Q_DECLARE_PRIVATE(QDrag)
public:
    explicit QDrag(QWidget *dragSource);
    ~QDrag();

    void setMimeData(QMimeData *data);
    QMimeData *mimeData() const;

    void setPixmap(const QPixmap &);
    QPixmap pixmap() const;

    void setHotSpot(const QPoint &hotspot);
    QPoint hotSpot() const;

    QWidget *source() const;
    QWidget *target() const;

    Qt::DropAction start(Qt::DropActions supportedActions = Qt::CopyAction);
    Qt::DropAction exec(Qt::DropActions supportedActions = Qt::MoveAction);
    Qt::DropAction exec(Qt::DropActions supportedActions, Qt::DropAction defaultAction);

    void setDragCursor(const QPixmap &cursor, Qt::DropAction action);

Q_SIGNALS:
    void actionChanged(Qt::DropAction action);
    void targetChanged(QWidget *newTarget);

private:
#ifdef Q_WS_MAC
    friend class QWidgetPrivate;
#endif
    friend class QDragManager;
    Q_DISABLE_COPY(QDrag)
};

#endif // QT_NO_DRAGANDDROP

QT_END_HEADER

#endif // QDRAG_H