| 1 | // Copyright (C) 2016 The Qt Company Ltd. |
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| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
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| 3 | |
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| 4 | #ifndef QWAYLANDDATAOFFER_H |
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| 5 | #define QWAYLANDDATAOFFER_H |
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| 6 | |
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| 7 | // |
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| 8 | // W A R N I N G |
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| 9 | // ------------- |
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| 10 | // |
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| 11 | // This file is not part of the Qt API. It exists purely as an |
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| 12 | // implementation detail. This header file may change from version to |
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| 13 | // version without notice, or even be removed. |
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| 14 | // |
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| 15 | // We mean it. |
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| 16 | // |
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| 17 | |
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| 18 | #include <QtCore/qhash.h> |
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| 19 | #include <QtCore/qstring.h> |
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| 20 | |
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| 21 | #include <QtGui/private/qinternalmimedata_p.h> |
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| 22 | |
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| 23 | #include <QtWaylandClient/private/qtwaylandclientglobal_p.h> |
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| 24 | #include <QtWaylandClient/private/qwayland-wayland.h> |
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| 25 | |
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| 26 | QT_REQUIRE_CONFIG(wayland_datadevice); |
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| 27 | |
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| 28 | QT_BEGIN_NAMESPACE |
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| 29 | |
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| 30 | namespace QtWaylandClient { |
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| 31 | |
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| 32 | class QWaylandDisplay; |
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| 33 | class QWaylandMimeData; |
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| 34 | |
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| 35 | class QWaylandAbstractDataOffer |
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| 36 | { |
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| 37 | public: |
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| 38 | virtual void startReceiving(const QString &mimeType, int fd) = 0; |
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| 39 | virtual QMimeData *mimeData() = 0; |
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| 40 | |
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| 41 | virtual ~QWaylandAbstractDataOffer() = default; |
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| 42 | }; |
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| 43 | |
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| 44 | class Q_WAYLANDCLIENT_EXPORT QWaylandDataOffer |
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| 45 | : public QtWayland::wl_data_offer // needs to be the first because we do static casts from the user pointer to the wrapper |
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| 46 | , public QWaylandAbstractDataOffer |
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| 47 | { |
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| 48 | public: |
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| 49 | explicit QWaylandDataOffer(QWaylandDisplay *display, struct ::wl_data_offer *offer); |
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| 50 | ~QWaylandDataOffer() override; |
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| 51 | QMimeData *mimeData() override; |
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| 52 | Qt::DropActions supportedActions() const; |
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| 53 | |
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| 54 | QString firstFormat() const; |
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| 55 | |
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| 56 | void startReceiving(const QString &mimeType, int fd) override; |
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| 57 | |
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| 58 | protected: |
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| 59 | void data_offer_offer(const QString &mime_type) override; |
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| 60 | void data_offer_source_actions(uint32_t source_actions) override; |
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| 61 | void data_offer_action(uint32_t dnd_action) override; |
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| 62 | |
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| 63 | private: |
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| 64 | QWaylandDisplay *m_display = nullptr; |
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| 65 | QScopedPointer<QWaylandMimeData> m_mimeData; |
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| 66 | Qt::DropActions m_supportedActions; |
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| 67 | }; |
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| 68 | |
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| 69 | |
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| 70 | class QWaylandMimeData : public QInternalMimeData { |
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| 71 | public: |
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| 72 | explicit QWaylandMimeData(QWaylandAbstractDataOffer *dataOffer); |
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| 73 | ~QWaylandMimeData() override; |
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| 74 | |
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| 75 | void appendFormat(const QString &mimeType); |
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| 76 | |
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| 77 | protected: |
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| 78 | bool hasFormat_sys(const QString &mimeType) const override; |
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| 79 | QStringList formats_sys() const override; |
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| 80 | QVariant retrieveData_sys(const QString &mimeType, QMetaType type) const override; |
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| 81 | |
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| 82 | private: |
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| 83 | int readData(int fd, QByteArray &data) const; |
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| 84 | |
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| 85 | QWaylandAbstractDataOffer *m_dataOffer = nullptr; |
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| 86 | mutable QStringList m_types; |
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| 87 | mutable QHash<QString, QByteArray> m_data; |
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| 88 | }; |
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| 89 | |
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| 90 | } // namespace QtWaylandClient |
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| 91 | |
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| 92 | QT_END_NAMESPACE |
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| 93 | #endif |
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| 94 | |
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