1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
|
// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QXCBCLIPBOARD_H
#define QXCBCLIPBOARD_H
#include <qpa/qplatformclipboard.h>
#include <qxcbobject.h>
#include <xcb/xcb.h>
#include <xcb/xfixes.h>
#include <QtCore/qobject.h>
#include <QtCore/qmap.h>
QT_BEGIN_NAMESPACE
#ifndef QT_NO_CLIPBOARD
class QXcbConnection;
class QXcbScreen;
class QXcbClipboard;
class QXcbClipboardMime;
class QXcbClipboardTransaction : public QObject
{
Q_OBJECT
public:
QXcbClipboardTransaction(QXcbClipboard *clipboard, xcb_window_t w, xcb_atom_t p,
QByteArray d, xcb_atom_t t, int f);
~QXcbClipboardTransaction();
bool updateIncrementalProperty(const xcb_property_notify_event_t *event);
protected:
void timerEvent(QTimerEvent *ev) override;
private:
QXcbClipboard *m_clipboard;
xcb_window_t m_window;
xcb_atom_t m_property;
QByteArray m_data;
xcb_atom_t m_target;
uint8_t m_format;
uint m_offset = 0;
int m_abortTimerId = 0;
};
class QXcbClipboard : public QXcbObject, public QPlatformClipboard
{
public:
QXcbClipboard(QXcbConnection *connection);
~QXcbClipboard();
QMimeData *mimeData(QClipboard::Mode mode) override;
void setMimeData(QMimeData *data, QClipboard::Mode mode) override;
bool supportsMode(QClipboard::Mode mode) const override;
bool ownsMode(QClipboard::Mode mode) const override;
QXcbScreen *screen() const;
xcb_window_t requestor() const;
void setRequestor(xcb_window_t window);
void handleSelectionRequest(xcb_selection_request_event_t *event);
void handleSelectionClearRequest(xcb_selection_clear_event_t *event);
void handleXFixesSelectionRequest(xcb_xfixes_selection_notify_event_t *event);
bool clipboardReadProperty(xcb_window_t win, xcb_atom_t property, bool deleteProperty, QByteArray *buffer, int *size, xcb_atom_t *type, int *format);
QByteArray clipboardReadIncrementalProperty(xcb_window_t win, xcb_atom_t property, int nbytes, bool nullterm);
QByteArray getDataInFormat(xcb_atom_t modeAtom, xcb_atom_t fmtatom);
bool handlePropertyNotify(const xcb_generic_event_t *event);
QByteArray getSelection(xcb_atom_t selection, xcb_atom_t target, xcb_atom_t property, xcb_timestamp_t t = 0);
int increment() const { return m_maxPropertyRequestDataBytes; }
int clipboardTimeout() const { return clipboard_timeout; }
void removeTransaction(xcb_window_t window) { m_transactions.remove(window); }
private:
xcb_generic_event_t *waitForClipboardEvent(xcb_window_t window, int type, bool checkManager = false);
xcb_atom_t sendTargetsSelection(QMimeData *d, xcb_window_t window, xcb_atom_t property);
xcb_atom_t sendSelection(QMimeData *d, xcb_atom_t target, xcb_window_t window, xcb_atom_t property);
xcb_atom_t atomForMode(QClipboard::Mode mode) const;
QClipboard::Mode modeForAtom(xcb_atom_t atom) const;
// Selection and Clipboard
QScopedPointer<QXcbClipboardMime> m_xClipboard[2];
QMimeData *m_clientClipboard[2];
xcb_timestamp_t m_timestamp[2];
xcb_window_t m_requestor = XCB_NONE;
static const int clipboard_timeout;
int m_maxPropertyRequestDataBytes = 0;
bool m_clipboard_closing = false;
xcb_timestamp_t m_incr_receive_time = 0;
using TransactionMap = QMap<xcb_window_t, QXcbClipboardTransaction *>;
TransactionMap m_transactions;
};
#endif // QT_NO_CLIPBOARD
QT_END_NAMESPACE
#endif // QXCBCLIPBOARD_H
|
