112 lines
2.9 KiB
C++
112 lines
2.9 KiB
C++
/*
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KWin - the KDE window manager
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This file is part of the KDE project.
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SPDX-FileCopyrightText: 2019 Roman Gilg <subdiff@gmail.com>
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SPDX-FileCopyrightText: 2020 Vlad Zahorodnii <vlad.zahorodnii@kde.org>
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SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#pragma once
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#include <QObject>
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#include <QProcess>
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#include <QScopedPointer>
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#include <QSocketNotifier>
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#include <QTemporaryFile>
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#include <QVector>
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#include <kwin_export.h>
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class QTimer;
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namespace KWin
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{
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class XwaylandSocket;
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namespace Xwl
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{
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class KWIN_EXPORT XwaylandLauncher : public QObject
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{
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Q_OBJECT
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public:
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explicit XwaylandLauncher(QObject *parent);
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~XwaylandLauncher();
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/**
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* Set file descriptors that xwayland should use for listening
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* This is to be used in conjuction with kwin_wayland_wrapper which creates a socket externally
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* That external process is responsible for setting up the DISPLAY env with a valid value.
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* Ownership of the file descriptor is not transferrred.
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*/
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void setListenFDs(const QVector<int> &listenFds);
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/**
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* Sets the display name used by XWayland (i.e ':0')
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* This is to be used in conjuction with kwin_wayland_wrapper to provide the name of the socket
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* created externally
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*/
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void setDisplayName(const QString &displayName);
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/**
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* Sets the xauthority file to be used by XWayland
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* This is to be used in conjuction with kwin_wayland_wrapper
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*/
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void setXauthority(const QString &xauthority);
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void start();
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void stop();
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QString displayName() const;
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QString xauthority() const;
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int xcbConnectionFd() const;
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/**
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* @internal
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*/
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QProcess *process() const;
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Q_SIGNALS:
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/**
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* This signal is emitted when the Xwayland server has been started successfully and it is
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* ready to accept and manage X11 clients.
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* For restarts it may be emitted multiple times
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*/
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void started();
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/**
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* This signal is emitted when the Xwayland server quits or crashes
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*/
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void finished();
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/**
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* This signal is emitted when an error occurs with the Xwayland server.
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*/
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void errorOccurred();
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private Q_SLOTS:
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void resetCrashCount();
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void handleXwaylandFinished(int exitCode, QProcess::ExitStatus exitStatus);
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void handleXwaylandCrashed();
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void handleXwaylandError(QProcess::ProcessError error);
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private:
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void maybeDestroyReadyNotifier();
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bool startInternal();
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void stopInternal();
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void restartInternal();
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QProcess *m_xwaylandProcess = nullptr;
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QSocketNotifier *m_readyNotifier = nullptr;
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QTimer *m_resetCrashCountTimer = nullptr;
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// this is only used when kwin is run without kwin_wayland_wrapper
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QScopedPointer<XwaylandSocket> m_socket;
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QVector<int> m_listenFds;
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QString m_displayName;
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QString m_xAuthority;
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int m_crashCount = 0;
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int m_xcbConnectionFd = -1;
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};
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}
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}
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