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39 
40 #ifndef QCOCOADRAG_H
41 #define QCOCOADRAG_H
42 
43 #include <AppKit/AppKit.h>
44 #include <QtGui>
45 #include <qpa/qplatformdrag.h>
46 #include <private/qsimpledrag_p.h>
47 
48 #include <QtGui/private/qdnd_p.h>
49 #include <QtGui/private/qinternalmimedata_p.h>
50 
51 #include <QtCore/qeventloop.h>
52 
53 QT_BEGIN_NAMESPACE
54 
55 class QCocoaDrag : public QPlatformDrag
56 {
57 public:
58     QCocoaDrag();
59     ~QCocoaDrag();
60 
61     QMimeData *dragMimeData();
62     Qt::DropAction drag(QDrag *m_drag) override;
63 
64     Qt::DropAction defaultAction(Qt::DropActions possibleActions,
65                                  Qt::KeyboardModifiers modifiers) const override;
66 
67     /**
68     * to meet NSView dragImage:at guarantees, we need to record the original
69     * event and view when handling an event in QNSView
70     */
71     void setLastMouseEvent(NSEvent *event, NSView *view);
72 
73     void setAcceptedAction(Qt::DropAction act);
74     void exitDragLoop();
75 private:
76     QDrag *m_drag;
77     NSEvent *m_lastEvent;
78     NSView *m_lastView;
79     Qt::DropAction m_executed_drop_action;
80     QEventLoop internalDragLoop;
81 
82     bool maybeDragMultipleItems();
83 
84     QPixmap dragPixmap(QDrag *drag, QPoint &hotSpot) const;
85 };
86 
87 class QCocoaDropData : public QInternalMimeData
88 {
89 public:
90     QCocoaDropData(NSPasteboard *pasteboard);
91     ~QCocoaDropData();
92 protected:
93     bool hasFormat_sys(const QString &mimeType) const;
94     QStringList formats_sys() const;
95     QVariant retrieveData_sys(const QString &mimeType, QVariant::Type type) const;
96 public:
97     CFStringRef dropPasteboard;
98 };
99 
100 
101 QT_END_NAMESPACE
102 
103 #endif
104