qxcbsystemtraytracker.h

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// 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 QXCBSYSTEMTRAYTRACKER_H
#define QXCBSYSTEMTRAYTRACKER_H
 
#include "qxcbconnection.h"
 
#include <xcb/xcb.h>
 
QT_BEGIN_NAMESPACE
 
class QXcbConnection;
class QScreen;
 
class QXcbSystemTrayTracker : public QObject, public QXcbWindowEventListener
{
    Q_OBJECT
public:
    static QXcbSystemTrayTracker *create(QXcbConnection *connection);
 
    xcb_window_t trayWindow();
    void requestSystemTrayWindowDock(xcb_window_t window) const;
 
    void notifyManagerClientMessageEvent(const xcb_client_message_event_t *);
 
    void handleDestroyNotifyEvent(const xcb_destroy_notify_event_t *) override;
 
    xcb_visualid_t visualId();
signals:
    void systemTrayWindowChanged(QScreen *screen);
 
private:
    explicit QXcbSystemTrayTracker(QXcbConnection *connection,
                                   xcb_atom_t trayAtom,
                                   xcb_atom_t selection);
 
    void emitSystemTrayWindowChanged();
    xcb_visualid_t netSystemTrayVisual();
 
    const xcb_atom_t m_selection;
    const xcb_atom_t m_trayAtom;
    QXcbConnection *m_connection;
    xcb_window_t m_trayWindow = 0;
};
 
QT_END_NAMESPACE
 
#endif // QXCBSYSTEMTRAYTRACKER_H