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39 | |
40 | #ifndef QXCBCLIPBOARD_H |
41 | #define QXCBCLIPBOARD_H |
42 | |
43 | #include <qpa/qplatformclipboard.h> |
44 | #include <qxcbobject.h> |
45 | #include <xcb/xcb.h> |
46 | #include <xcb/xfixes.h> |
47 | |
48 | #include <QtCore/QObject> |
49 | |
50 | QT_BEGIN_NAMESPACE |
51 | |
52 | #ifndef QT_NO_CLIPBOARD |
53 | |
54 | class QXcbConnection; |
55 | class QXcbScreen; |
56 | class QXcbClipboard; |
57 | class QXcbClipboardMime; |
58 | |
59 | class QXcbClipboardTransaction : public QObject |
60 | { |
61 | Q_OBJECT |
62 | public: |
63 | QXcbClipboardTransaction(QXcbClipboard *clipboard, xcb_window_t w, xcb_atom_t p, |
64 | QByteArray d, xcb_atom_t t, int f); |
65 | ~QXcbClipboardTransaction(); |
66 | |
67 | bool updateIncrementalProperty(const xcb_property_notify_event_t *event); |
68 | |
69 | protected: |
70 | void timerEvent(QTimerEvent *ev) override; |
71 | |
72 | private: |
73 | QXcbClipboard *m_clipboard; |
74 | xcb_window_t m_window; |
75 | xcb_atom_t m_property; |
76 | QByteArray m_data; |
77 | xcb_atom_t m_target; |
78 | uint8_t m_format; |
79 | uint m_offset = 0; |
80 | int m_abortTimerId = 0; |
81 | }; |
82 | |
83 | class QXcbClipboard : public QXcbObject, public QPlatformClipboard |
84 | { |
85 | public: |
86 | QXcbClipboard(QXcbConnection *connection); |
87 | ~QXcbClipboard(); |
88 | |
89 | QMimeData *mimeData(QClipboard::Mode mode) override; |
90 | void setMimeData(QMimeData *data, QClipboard::Mode mode) override; |
91 | |
92 | bool supportsMode(QClipboard::Mode mode) const override; |
93 | bool ownsMode(QClipboard::Mode mode) const override; |
94 | |
95 | QXcbScreen *screen() const; |
96 | |
97 | xcb_window_t requestor() const; |
98 | void setRequestor(xcb_window_t window); |
99 | |
100 | xcb_window_t owner() const; |
101 | |
102 | void handleSelectionRequest(xcb_selection_request_event_t *event); |
103 | void handleSelectionClearRequest(xcb_selection_clear_event_t *event); |
104 | void handleXFixesSelectionRequest(xcb_xfixes_selection_notify_event_t *event); |
105 | |
106 | bool clipboardReadProperty(xcb_window_t win, xcb_atom_t property, bool deleteProperty, QByteArray *buffer, int *size, xcb_atom_t *type, int *format); |
107 | QByteArray clipboardReadIncrementalProperty(xcb_window_t win, xcb_atom_t property, int nbytes, bool nullterm); |
108 | |
109 | QByteArray getDataInFormat(xcb_atom_t modeAtom, xcb_atom_t fmtatom); |
110 | |
111 | bool handlePropertyNotify(const xcb_generic_event_t *event); |
112 | |
113 | xcb_window_t getSelectionOwner(xcb_atom_t atom) const; |
114 | QByteArray getSelection(xcb_atom_t selection, xcb_atom_t target, xcb_atom_t property, xcb_timestamp_t t = 0); |
115 | |
116 | int increment() const { return m_maxPropertyRequestDataBytes; } |
117 | int clipboardTimeout() const { return clipboard_timeout; } |
118 | |
119 | void removeTransaction(xcb_window_t window) { m_transactions.remove(akey: window); } |
120 | |
121 | private: |
122 | xcb_generic_event_t *waitForClipboardEvent(xcb_window_t window, int type, bool checkManager = false); |
123 | |
124 | xcb_atom_t sendTargetsSelection(QMimeData *d, xcb_window_t window, xcb_atom_t property); |
125 | xcb_atom_t sendSelection(QMimeData *d, xcb_atom_t target, xcb_window_t window, xcb_atom_t property); |
126 | |
127 | xcb_atom_t atomForMode(QClipboard::Mode mode) const; |
128 | QClipboard::Mode modeForAtom(xcb_atom_t atom) const; |
129 | |
130 | // Selection and Clipboard |
131 | QScopedPointer<QXcbClipboardMime> m_xClipboard[2]; |
132 | QMimeData *m_clientClipboard[2]; |
133 | xcb_timestamp_t m_timestamp[2]; |
134 | |
135 | xcb_window_t m_requestor = XCB_NONE; |
136 | xcb_window_t m_owner = XCB_NONE; |
137 | |
138 | static const int clipboard_timeout; |
139 | |
140 | int m_maxPropertyRequestDataBytes = 0; |
141 | bool m_clipboard_closing = false; |
142 | xcb_timestamp_t m_incr_receive_time = 0; |
143 | |
144 | using TransactionMap = QMap<xcb_window_t, QXcbClipboardTransaction *>; |
145 | TransactionMap m_transactions; |
146 | }; |
147 | |
148 | #endif // QT_NO_CLIPBOARD |
149 | |
150 | QT_END_NAMESPACE |
151 | |
152 | #endif // QXCBCLIPBOARD_H |
153 | |