Qt 4.8
qdrag.h
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41 
42 #ifndef QDRAG_H
43 #define QDRAG_H
44 
45 #include <QtCore/qobject.h>
46 
48 
50 
51 QT_MODULE(Gui)
52 
53 #ifndef QT_NO_DRAGANDDROP
54 class QMimeData;
55 class QDragPrivate;
56 class QWidget;
57 class QPixmap;
58 class QPoint;
59 class QDragManager;
60 
61 class Q_GUI_EXPORT QDrag : public QObject
62 {
63  Q_OBJECT
65 public:
66  explicit QDrag(QWidget *dragSource);
67  ~QDrag();
68 
69  void setMimeData(QMimeData *data);
70  QMimeData *mimeData() const;
71 
72  void setPixmap(const QPixmap &);
73  QPixmap pixmap() const;
74 
75  void setHotSpot(const QPoint &hotspot);
76  QPoint hotSpot() const;
77 
78  QWidget *source() const;
79  QWidget *target() const;
80 
81  Qt::DropAction start(Qt::DropActions supportedActions = Qt::CopyAction);
82  Qt::DropAction exec(Qt::DropActions supportedActions = Qt::MoveAction);
83  Qt::DropAction exec(Qt::DropActions supportedActions, Qt::DropAction defaultAction);
84 
85  void setDragCursor(const QPixmap &cursor, Qt::DropAction action);
86 
87 Q_SIGNALS:
88  void actionChanged(Qt::DropAction action);
89  void targetChanged(QWidget *newTarget);
90 
91 private:
92 #ifdef Q_WS_MAC
93  friend class QWidgetPrivate;
94 #endif
95  friend class QDragManager;
97 };
98 
99 #endif // QT_NO_DRAGANDDROP
100 
102 
104 
105 #endif // QDRAG_H
#define QT_END_NAMESPACE
This macro expands to.
Definition: qglobal.h:90
The QDrag class provides support for MIME-based drag and drop data transfer.
Definition: qdrag.h:61
#define QT_MODULE(x)
Definition: qglobal.h:2783
#define QT_BEGIN_HEADER
Definition: qglobal.h:136
#define Q_GUI_EXPORT
Definition: qglobal.h:1450
The QWidget class is the base class of all user interface objects.
Definition: qwidget.h:150
#define Q_DISABLE_COPY(Class)
Disables the use of copy constructors and assignment operators for the given Class.
Definition: qglobal.h:2523
The QObject class is the base class of all Qt objects.
Definition: qobject.h:111
#define Q_SIGNALS
Definition: qobjectdefs.h:72
#define QT_BEGIN_NAMESPACE
This macro expands to.
Definition: qglobal.h:89
static const char * data(const QByteArray &arr)
DropAction
Definition: qnamespace.h:1597
The QMimeData class provides a container for data that records information about its MIME type...
Definition: qmimedata.h:57
#define Q_OBJECT
Definition: qobjectdefs.h:157
The QPoint class defines a point in the plane using integer precision.
Definition: qpoint.h:53
The QPixmap class is an off-screen image representation that can be used as a paint device...
Definition: qpixmap.h:71
#define Q_DECLARE_PRIVATE(Class)
Definition: qglobal.h:2467
#define QT_END_HEADER
Definition: qglobal.h:137