| 1 | // Copyright (C) 2016 The Qt Company Ltd. |
| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
| 3 | |
| 4 | #ifndef QDND_P_H |
| 5 | #define QDND_P_H |
| 6 | |
| 7 | // |
| 8 | // W A R N I N G |
| 9 | // ------------- |
| 10 | // |
| 11 | // This file is not part of the Qt API. It exists for the convenience |
| 12 | // of other Qt classes. This header file may change from version to |
| 13 | // version without notice, or even be removed. |
| 14 | // |
| 15 | // We mean it. |
| 16 | // |
| 17 | |
| 18 | #include <QtGui/private/qtguiglobal_p.h> |
| 19 | #include "QtCore/qobject.h" |
| 20 | #include "QtCore/qmap.h" |
| 21 | #include "QtCore/qmimedata.h" |
| 22 | #include "QtGui/qdrag.h" |
| 23 | #include "QtGui/qpixmap.h" |
| 24 | #include "QtGui/qcursor.h" |
| 25 | #include "QtGui/qwindow.h" |
| 26 | #include "QtCore/qpoint.h" |
| 27 | #include "private/qobject_p.h" |
| 28 | #include "QtGui/qbackingstore.h" |
| 29 | |
| 30 | #include <QtCore/qpointer.h> |
| 31 | |
| 32 | QT_REQUIRE_CONFIG(draganddrop); |
| 33 | |
| 34 | QT_BEGIN_NAMESPACE |
| 35 | |
| 36 | class QPlatformDrag; |
| 37 | |
| 38 | class QDragPrivate : public QObjectPrivate |
| 39 | { |
| 40 | public: |
| 41 | QDragPrivate() |
| 42 | : source(nullptr) |
| 43 | , target(nullptr) |
| 44 | , data(nullptr) |
| 45 | { } |
| 46 | QObject *source; |
| 47 | QObject *target; |
| 48 | QMimeData *data; |
| 49 | QPixmap pixmap; |
| 50 | QPoint hotspot; |
| 51 | Qt::DropAction executed_action; |
| 52 | Qt::DropActions supported_actions; |
| 53 | Qt::DropAction default_action; |
| 54 | QMap<Qt::DropAction, QPixmap> customCursors; |
| 55 | }; |
| 56 | |
| 57 | class Q_GUI_EXPORT QDragManager : public QObject { |
| 58 | Q_OBJECT |
| 59 | |
| 60 | public: |
| 61 | QDragManager(); |
| 62 | ~QDragManager(); |
| 63 | static QDragManager *self(); |
| 64 | |
| 65 | Qt::DropAction drag(QDrag *); |
| 66 | |
| 67 | void setCurrentTarget(QObject *target, bool dropped = false); |
| 68 | QObject *currentTarget() const; |
| 69 | |
| 70 | QPointer<QDrag> object() const { return m_object; } |
| 71 | QObject *source() const; |
| 72 | |
| 73 | private: |
| 74 | QObject *m_currentDropTarget; |
| 75 | QPlatformDrag *m_platformDrag; |
| 76 | QPointer<QDrag> m_object; |
| 77 | |
| 78 | static QDragManager *m_instance; |
| 79 | Q_DISABLE_COPY_MOVE(QDragManager) |
| 80 | }; |
| 81 | |
| 82 | QT_END_NAMESPACE |
| 83 | |
| 84 | #endif // QDND_P_H |
| 85 | |