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39
40#ifndef QPLATFORMDRAG_H
41#define QPLATFORMDRAG_H
42
43//
44// W A R N I N G
45// -------------
46//
47// This file is part of the QPA API and is not meant to be used
48// in applications. Usage of this API may make your code
49// source and binary incompatible with future versions of Qt.
50//
51
52#include <QtGui/qtguiglobal.h>
53#include <QtGui/QPixmap>
54
55QT_REQUIRE_CONFIG(draganddrop);
56
57QT_BEGIN_NAMESPACE
58
59class QMimeData;
60class QMouseEvent;
61class QDrag;
62class QObject;
63class QEvent;
64class QPlatformDragPrivate;
65
66class Q_GUI_EXPORT QPlatformDropQtResponse
67{
68public:
69 QPlatformDropQtResponse(bool accepted, Qt::DropAction acceptedAction);
70 bool isAccepted() const;
71 Qt::DropAction acceptedAction() const;
72
73private:
74 bool m_accepted;
75 Qt::DropAction m_accepted_action;
76
77};
78
79class Q_GUI_EXPORT QPlatformDragQtResponse : public QPlatformDropQtResponse
80{
81public:
82 QPlatformDragQtResponse(bool accepted, Qt::DropAction acceptedAction, QRect answerRect);
83
84 QRect answerRect() const;
85
86private:
87 QRect m_answer_rect;
88};
89
90class Q_GUI_EXPORT QPlatformDrag
91{
92 Q_DECLARE_PRIVATE(QPlatformDrag)
93public:
94 Q_DISABLE_COPY_MOVE(QPlatformDrag)
95
96 QPlatformDrag();
97 virtual ~QPlatformDrag();
98
99 QDrag *currentDrag() const;
100
101 virtual Qt::DropAction drag(QDrag *m_drag) = 0;
102 virtual void cancelDrag();
103 void updateAction(Qt::DropAction action);
104
105 virtual Qt::DropAction defaultAction(Qt::DropActions possibleActions, Qt::KeyboardModifiers modifiers) const;
106
107 static QPixmap defaultPixmap();
108
109 virtual bool ownsDragObject() const;
110
111private:
112 QPlatformDragPrivate *d_ptr;
113};
114
115QT_END_NAMESPACE
116
117#endif
118

source code of qtbase/src/gui/kernel/qplatformdrag.h