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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QXCBCLIPBOARD_H
#define QXCBCLIPBOARD_H
#include <qpa/qplatformclipboard.h>
#include <qxcbobject.h>
#include <xcb/xcb.h>
#include <xcb/xfixes.h>
#include <QtCore/QObject>
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);
xcb_window_t owner() const;
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);
xcb_window_t getSelectionOwner(xcb_atom_t atom) const;
QByteArray getSelection(xcb_atom_t selection, xcb_atom_t target, xcb_atom_t property, xcb_timestamp_t t = 0);
int increment() const { return m_increment; }
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;
xcb_window_t m_owner = XCB_NONE;
static const int clipboard_timeout;
int m_increment = 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
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