xwaylandlauncher.h

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/*
    KWin - the KDE window manager
    This file is part of the KDE project.
 
    SPDX-FileCopyrightText: 2019 Roman Gilg <subdiff@gmail.com>
    SPDX-FileCopyrightText: 2020 Vlad Zahorodnii <vlad.zahorodnii@kde.org>
 
    SPDX-License-Identifier: GPL-2.0-or-later
*/
 
#pragma once
 
#include <QList>
#include <QObject>
#include <QProcess>
#include <QSocketNotifier>
#include <QTemporaryFile>
#include <memory>
 
#include <kwin_export.h>
 
class QTimer;
 
namespace KWin
{
class XwaylandSocket;
 
namespace Xwl
{
 
class KWIN_EXPORT XwaylandLauncher : public QObject
{
    Q_OBJECT
public:
    explicit XwaylandLauncher(QObject *parent);
    ~XwaylandLauncher();
 
    void setListenFDs(const QList<int> &listenFds);
 
    void setDisplayName(const QString &displayName);
 
    void setXauthority(const QString &xauthority);
 
    void enable();
    void disable();
    bool start();
    void stop();
 
    QString displayName() const;
    QString xauthority() const;
    int xcbConnectionFd() const;
 
    QProcess *process() const;
Q_SIGNALS:
    void started();
    void finished();
    void errorOccurred();
 
private Q_SLOTS:
    void resetCrashCount();
    void handleXwaylandFinished(int exitCode, QProcess::ExitStatus exitStatus);
    void handleXwaylandError(QProcess::ProcessError error);
 
private:
    void maybeDestroyReadyNotifier();
 
 
    QProcess *m_xwaylandProcess = nullptr;
    QSocketNotifier *m_readyNotifier = nullptr;
    QTimer *m_resetCrashCountTimer = nullptr;
    // this is only used when kwin is run without kwin_wayland_wrapper
    std::unique_ptr<XwaylandSocket> m_socket;
    QList<int> m_listenFds;
    QString m_displayName;
    QString m_xAuthority;
 
    bool m_enabled = false;
    int m_crashCount = 0;
    int m_xcbConnectionFd = -1;
};
 
}
}