335d9c4192
This allows running Xwayland apps as root. Xwayland started with an empty Xauthority file. After kwin has received the display number, the file is updated with an actual authority entry. BUG: 432625
124 lines
3.3 KiB
C++
124 lines
3.3 KiB
C++
/*
|
|
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
|
|
*/
|
|
#ifndef KWIN_XWL_XWAYLAND
|
|
#define KWIN_XWL_XWAYLAND
|
|
|
|
#include "xwayland_interface.h"
|
|
|
|
#include <QFutureWatcher>
|
|
#include <QProcess>
|
|
#include <QSocketNotifier>
|
|
#include <QTemporaryFile>
|
|
|
|
class KSelectionOwner;
|
|
|
|
namespace KWin
|
|
{
|
|
class ApplicationWaylandAbstract;
|
|
|
|
namespace Xwl
|
|
{
|
|
|
|
class Xwayland : public XwaylandInterface
|
|
{
|
|
Q_OBJECT
|
|
|
|
public:
|
|
Xwayland(ApplicationWaylandAbstract *app, QObject *parent = nullptr);
|
|
~Xwayland() override;
|
|
|
|
/**
|
|
* Returns the associated Xwayland process or @c null if the Xwayland server is inactive.
|
|
*/
|
|
QProcess *process() const override;
|
|
|
|
public Q_SLOTS:
|
|
/**
|
|
* Starts the Xwayland server.
|
|
*
|
|
* This method will spawn an Xwayland process and will establish a new XCB connection to it.
|
|
* If an error has occurred during the startup, the errorOccurred() signal is going to
|
|
* be emitted. If the Xwayland server has started successfully, the started() signal will be
|
|
* emitted.
|
|
*
|
|
* @see started(), stop()
|
|
*/
|
|
void start();
|
|
/**
|
|
* Stops the Xwayland server.
|
|
*
|
|
* This method will destroy the existing XCB connection as well all connected X11 clients.
|
|
*
|
|
* A SIGTERM signal will be sent to the Xwayland process. If Xwayland doesn't shut down
|
|
* within a reasonable amount of time (5 seconds), a SIGKILL signal will be sent and thus
|
|
* the process will be killed for good.
|
|
*
|
|
* If the Xwayland process crashes, the server will be stopped automatically.
|
|
*
|
|
* @see start()
|
|
*/
|
|
void stop();
|
|
/**
|
|
* Restarts the Xwayland server. This method is equivalent to calling stop() and start().
|
|
*/
|
|
void restart();
|
|
|
|
Q_SIGNALS:
|
|
/**
|
|
* This signal is emitted when the Xwayland server has been started successfully and it is
|
|
* ready to accept and manage X11 clients.
|
|
*/
|
|
void started();
|
|
/**
|
|
* This signal is emitted when an error occurs with the Xwayland server.
|
|
*/
|
|
void errorOccurred();
|
|
|
|
private Q_SLOTS:
|
|
void dispatchEvents();
|
|
void resetCrashCount();
|
|
|
|
void handleXwaylandStarted();
|
|
void handleXwaylandFinished(int exitCode, QProcess::ExitStatus exitStatus);
|
|
void handleXwaylandCrashed();
|
|
void handleXwaylandError(QProcess::ProcessError error);
|
|
void handleXwaylandReady();
|
|
|
|
private:
|
|
void installSocketNotifier();
|
|
void uninstallSocketNotifier();
|
|
|
|
bool createX11Connection();
|
|
void destroyX11Connection();
|
|
|
|
bool createXauthorityFile();
|
|
void updateXauthorityFile();
|
|
|
|
DragEventReply dragMoveFilter(Toplevel *target, const QPoint &pos) override;
|
|
|
|
int m_displayFileDescriptor = -1;
|
|
int m_xcbConnectionFd = -1;
|
|
QProcess *m_xwaylandProcess = nullptr;
|
|
QSocketNotifier *m_socketNotifier = nullptr;
|
|
QTimer *m_resetCrashCountTimer = nullptr;
|
|
int m_display = -1;
|
|
QFutureWatcher<int> *m_watcher = nullptr;
|
|
ApplicationWaylandAbstract *m_app;
|
|
QScopedPointer<KSelectionOwner> m_selectionOwner;
|
|
QScopedPointer<QTemporaryFile> m_authorityFile;
|
|
int m_crashCount = 0;
|
|
|
|
Q_DISABLE_COPY(Xwayland)
|
|
};
|
|
|
|
} // namespace Xwl
|
|
} // namespace KWin
|
|
|
|
#endif
|