707 lines
24 KiB
C++
707 lines
24 KiB
C++
/*
|
|
KWin - the KDE window manager
|
|
This file is part of the KDE project.
|
|
|
|
SPDX-FileCopyrightText: 2014 Martin Gräßlin <mgraesslin@kde.org>
|
|
|
|
SPDX-License-Identifier: GPL-2.0-or-later
|
|
*/
|
|
#include "main_wayland.h"
|
|
#include "composite.h"
|
|
#include "virtualkeyboard.h"
|
|
#include "workspace.h"
|
|
#include <config-kwin.h>
|
|
// kwin
|
|
#include "platform.h"
|
|
#include "effects.h"
|
|
#include "tabletmodemanager.h"
|
|
|
|
#ifdef PipeWire_FOUND
|
|
#include "screencast/screencastmanager.h"
|
|
#endif
|
|
#include "wayland_server.h"
|
|
#include "xwl/xwayland.h"
|
|
|
|
// KWayland
|
|
#include <KWaylandServer/display.h>
|
|
#include <KWaylandServer/seat_interface.h>
|
|
|
|
// KDE
|
|
#include <KCrash>
|
|
#include <KLocalizedString>
|
|
#include <KPluginLoader>
|
|
#include <KPluginMetaData>
|
|
#include <KQuickAddons/QtQuickSettings>
|
|
#include <KShell>
|
|
|
|
// Qt
|
|
#include <qplatformdefs.h>
|
|
#include <QCommandLineParser>
|
|
#include <QFileInfo>
|
|
#include <QProcess>
|
|
#include <QStyle>
|
|
#include <QDebug>
|
|
#include <QWindow>
|
|
|
|
// system
|
|
#if HAVE_SYS_PRCTL_H
|
|
#include <sys/prctl.h>
|
|
#endif
|
|
#if HAVE_SYS_PROCCTL_H
|
|
#include <sys/procctl.h>
|
|
#endif
|
|
|
|
#if HAVE_LIBCAP
|
|
#include <sys/capability.h>
|
|
#endif
|
|
|
|
#include <sched.h>
|
|
|
|
#include <iostream>
|
|
#include <iomanip>
|
|
|
|
namespace KWin
|
|
{
|
|
|
|
static void sighandler(int)
|
|
{
|
|
QApplication::exit();
|
|
}
|
|
|
|
void disableDrKonqi()
|
|
{
|
|
KCrash::setDrKonqiEnabled(false);
|
|
}
|
|
// run immediately, before Q_CORE_STARTUP functions
|
|
// that would enable drkonqi
|
|
Q_CONSTRUCTOR_FUNCTION(disableDrKonqi)
|
|
|
|
enum class RealTimeFlags
|
|
{
|
|
DontReset,
|
|
ResetOnFork
|
|
};
|
|
|
|
namespace {
|
|
void gainRealTime(RealTimeFlags flags = RealTimeFlags::DontReset)
|
|
{
|
|
#if HAVE_SCHED_RESET_ON_FORK
|
|
const int minPriority = sched_get_priority_min(SCHED_RR);
|
|
struct sched_param sp;
|
|
sp.sched_priority = minPriority;
|
|
int policy = SCHED_RR;
|
|
if (flags == RealTimeFlags::ResetOnFork) {
|
|
policy |= SCHED_RESET_ON_FORK;
|
|
}
|
|
sched_setscheduler(0, policy, &sp);
|
|
#else
|
|
Q_UNUSED(flags);
|
|
#endif
|
|
}
|
|
}
|
|
|
|
//************************************
|
|
// ApplicationWayland
|
|
//************************************
|
|
|
|
ApplicationWayland::ApplicationWayland(int &argc, char **argv)
|
|
: ApplicationWaylandAbstract(OperationModeWaylandOnly, argc, argv)
|
|
{
|
|
}
|
|
|
|
ApplicationWayland::~ApplicationWayland()
|
|
{
|
|
setTerminating();
|
|
if (!waylandServer()) {
|
|
return;
|
|
}
|
|
|
|
if (auto *platform = kwinApp()->platform()) {
|
|
platform->prepareShutdown();
|
|
}
|
|
// need to unload all effects prior to destroying X connection as they might do X calls
|
|
if (effects) {
|
|
static_cast<EffectsHandlerImpl*>(effects)->unloadAllEffects();
|
|
}
|
|
delete m_xwayland;
|
|
m_xwayland = nullptr;
|
|
destroyWorkspace();
|
|
waylandServer()->dispatch();
|
|
|
|
if (QStyle *s = style()) {
|
|
s->unpolish(this);
|
|
}
|
|
waylandServer()->terminateClientConnections();
|
|
destroyCompositor();
|
|
}
|
|
|
|
void ApplicationWayland::performStartup()
|
|
{
|
|
if (m_startXWayland) {
|
|
setOperationMode(OperationModeXwayland);
|
|
}
|
|
// first load options - done internally by a different thread
|
|
createOptions();
|
|
waylandServer()->createInternalConnection();
|
|
|
|
// try creating the Wayland Backend
|
|
createInput();
|
|
// now libinput thread has been created, adjust scheduler to not leak into other processes
|
|
gainRealTime(RealTimeFlags::ResetOnFork);
|
|
|
|
VirtualKeyboard::create(this);
|
|
createBackend();
|
|
TabletModeManager::create(this);
|
|
#ifdef PipeWire_FOUND
|
|
new ScreencastManager(this);
|
|
#endif
|
|
}
|
|
|
|
void ApplicationWayland::createBackend()
|
|
{
|
|
connect(platform(), &Platform::screensQueried, this, &ApplicationWayland::continueStartupWithScreens);
|
|
connect(platform(), &Platform::initFailed, this,
|
|
[] () {
|
|
std::cerr << "FATAL ERROR: backend failed to initialize, exiting now" << std::endl;
|
|
QCoreApplication::exit(1);
|
|
}
|
|
);
|
|
platform()->init();
|
|
}
|
|
|
|
void ApplicationWayland::continueStartupWithScreens()
|
|
{
|
|
disconnect(kwinApp()->platform(), &Platform::screensQueried, this, &ApplicationWayland::continueStartupWithScreens);
|
|
createScreens();
|
|
WaylandCompositor::create();
|
|
connect(Compositor::self(), &Compositor::sceneCreated, this, &ApplicationWayland::continueStartupWithScene);
|
|
}
|
|
|
|
void ApplicationWayland::finalizeStartup()
|
|
{
|
|
if (m_xwayland) {
|
|
disconnect(m_xwayland, &Xwl::Xwayland::started, this, &ApplicationWayland::finalizeStartup);
|
|
}
|
|
startSession();
|
|
notifyStarted();
|
|
}
|
|
|
|
void ApplicationWayland::continueStartupWithScene()
|
|
{
|
|
disconnect(Compositor::self(), &Compositor::sceneCreated, this, &ApplicationWayland::continueStartupWithScene);
|
|
|
|
// Note that we start accepting client connections after creating the Workspace.
|
|
createWorkspace();
|
|
|
|
if (!waylandServer()->start()) {
|
|
qFatal("Failed to initialze the Wayland server, exiting now");
|
|
}
|
|
|
|
if (operationMode() == OperationModeWaylandOnly) {
|
|
finalizeStartup();
|
|
return;
|
|
}
|
|
|
|
m_xwayland = new Xwl::Xwayland(this);
|
|
connect(m_xwayland, &Xwl::Xwayland::criticalError, this, [](int code) {
|
|
// we currently exit on Xwayland errors always directly
|
|
// TODO: restart Xwayland
|
|
std::cerr << "Xwayland had a critical error. Going to exit now." << std::endl;
|
|
exit(code);
|
|
});
|
|
connect(m_xwayland, &Xwl::Xwayland::started, this, &ApplicationWayland::finalizeStartup);
|
|
m_xwayland->start();
|
|
}
|
|
|
|
void ApplicationWayland::startSession()
|
|
{
|
|
if (!m_inputMethodServerToStart.isEmpty()) {
|
|
QStringList arguments = KShell::splitArgs(m_inputMethodServerToStart);
|
|
if (!arguments.isEmpty()) {
|
|
QString program = arguments.takeFirst();
|
|
int socket = dup(waylandServer()->createInputMethodConnection());
|
|
if (socket >= 0) {
|
|
QProcessEnvironment environment = processStartupEnvironment();
|
|
environment.insert(QStringLiteral("WAYLAND_SOCKET"), QByteArray::number(socket));
|
|
environment.insert(QStringLiteral("QT_QPA_PLATFORM"), QStringLiteral("wayland"));
|
|
environment.remove("DISPLAY");
|
|
environment.remove("WAYLAND_DISPLAY");
|
|
QProcess *p = new Process(this);
|
|
p->setProcessChannelMode(QProcess::ForwardedErrorChannel);
|
|
connect(p, qOverload<int, QProcess::ExitStatus>(&QProcess::finished), this,
|
|
[p] {
|
|
if (waylandServer()) {
|
|
waylandServer()->destroyInputMethodConnection();
|
|
}
|
|
p->deleteLater();
|
|
}
|
|
);
|
|
p->setProcessEnvironment(environment);
|
|
p->setProgram(program);
|
|
p->setArguments(arguments);
|
|
p->start();
|
|
connect(waylandServer(), &WaylandServer::terminatingInternalClientConnection, p, [p] {
|
|
p->kill();
|
|
p->waitForFinished();
|
|
});
|
|
}
|
|
} else {
|
|
qWarning("Failed to launch the input method server: %s is an invalid command",
|
|
qPrintable(m_inputMethodServerToStart));
|
|
}
|
|
}
|
|
|
|
// start session
|
|
if (!m_sessionArgument.isEmpty()) {
|
|
QStringList arguments = KShell::splitArgs(m_sessionArgument);
|
|
if (!arguments.isEmpty()) {
|
|
QString program = arguments.takeFirst();
|
|
QProcess *p = new Process(this);
|
|
p->setProcessChannelMode(QProcess::ForwardedErrorChannel);
|
|
p->setProcessEnvironment(processStartupEnvironment());
|
|
connect(p, qOverload<int, QProcess::ExitStatus>(&QProcess::finished), this, [p] (int code, QProcess::ExitStatus status) {
|
|
p->deleteLater();
|
|
if (status == QProcess::CrashExit) {
|
|
qWarning() << "Session process has crashed";
|
|
QCoreApplication::exit(-1);
|
|
return;
|
|
}
|
|
|
|
if (code) {
|
|
qWarning() << "Session process exited with code" << code;
|
|
}
|
|
|
|
QCoreApplication::exit(code);
|
|
});
|
|
p->setProgram(program);
|
|
p->setArguments(arguments);
|
|
p->start();
|
|
} else {
|
|
qWarning("Failed to launch the session process: %s is an invalid command",
|
|
qPrintable(m_sessionArgument));
|
|
}
|
|
}
|
|
// start the applications passed to us as command line arguments
|
|
if (!m_applicationsToStart.isEmpty()) {
|
|
for (const QString &application: m_applicationsToStart) {
|
|
QStringList arguments = KShell::splitArgs(application);
|
|
if (arguments.isEmpty()) {
|
|
qWarning("Failed to launch application: %s is an invalid command",
|
|
qPrintable(application));
|
|
continue;
|
|
}
|
|
QString program = arguments.takeFirst();
|
|
// note: this will kill the started process when we exit
|
|
// this is going to happen anyway as we are the wayland and X server the app connects to
|
|
QProcess *p = new Process(this);
|
|
p->setProcessChannelMode(QProcess::ForwardedErrorChannel);
|
|
p->setProcessEnvironment(processStartupEnvironment());
|
|
p->setProgram(program);
|
|
p->setArguments(arguments);
|
|
p->startDetached();
|
|
p->deleteLater();
|
|
}
|
|
}
|
|
}
|
|
|
|
static const QString s_waylandPlugin = QStringLiteral("KWinWaylandWaylandBackend");
|
|
static const QString s_x11Plugin = QStringLiteral("KWinWaylandX11Backend");
|
|
static const QString s_fbdevPlugin = QStringLiteral("KWinWaylandFbdevBackend");
|
|
#if HAVE_DRM
|
|
static const QString s_drmPlugin = QStringLiteral("KWinWaylandDrmBackend");
|
|
#endif
|
|
#if HAVE_LIBHYBRIS
|
|
static const QString s_hwcomposerPlugin = QStringLiteral("KWinWaylandHwcomposerBackend");
|
|
#endif
|
|
static const QString s_virtualPlugin = QStringLiteral("KWinWaylandVirtualBackend");
|
|
|
|
static QString automaticBackendSelection()
|
|
{
|
|
if (qEnvironmentVariableIsSet("WAYLAND_DISPLAY")) {
|
|
return s_waylandPlugin;
|
|
}
|
|
if (qEnvironmentVariableIsSet("DISPLAY")) {
|
|
return s_x11Plugin;
|
|
}
|
|
#if HAVE_LIBHYBRIS
|
|
if (qEnvironmentVariableIsSet("ANDROID_ROOT")) {
|
|
return s_hwcomposerPlugin;
|
|
}
|
|
#endif
|
|
#if HAVE_DRM
|
|
return s_drmPlugin;
|
|
#endif
|
|
return s_fbdevPlugin;
|
|
}
|
|
|
|
static void disablePtrace()
|
|
{
|
|
#if HAVE_PR_SET_DUMPABLE
|
|
// check whether we are running under a debugger
|
|
const QFileInfo parent(QStringLiteral("/proc/%1/exe").arg(getppid()));
|
|
if (parent.isSymLink() &&
|
|
(parent.symLinkTarget().endsWith(QLatin1String("/gdb")) ||
|
|
parent.symLinkTarget().endsWith(QLatin1String("/gdbserver")) ||
|
|
parent.symLinkTarget().endsWith(QLatin1String("/lldb-server")))) {
|
|
// debugger, don't adjust
|
|
return;
|
|
}
|
|
|
|
// disable ptrace in kwin_wayland
|
|
prctl(PR_SET_DUMPABLE, 0);
|
|
#endif
|
|
#if HAVE_PROC_TRACE_CTL
|
|
// FreeBSD's rudimentary procfs does not support /proc/<pid>/exe
|
|
// We could use the P_TRACED flag of the process to find out
|
|
// if the process is being debugged ond FreeBSD.
|
|
int mode = PROC_TRACE_CTL_DISABLE;
|
|
procctl(P_PID, getpid(), PROC_TRACE_CTL, &mode);
|
|
#endif
|
|
|
|
}
|
|
|
|
static void unsetDumpable(int sig)
|
|
{
|
|
#if HAVE_PR_SET_DUMPABLE
|
|
prctl(PR_SET_DUMPABLE, 1);
|
|
#endif
|
|
signal(sig, SIG_IGN);
|
|
raise(sig);
|
|
return;
|
|
}
|
|
|
|
void dropNiceCapability()
|
|
{
|
|
#if HAVE_LIBCAP
|
|
cap_t caps = cap_get_proc();
|
|
if (!caps) {
|
|
return;
|
|
}
|
|
cap_value_t capList[] = { CAP_SYS_NICE };
|
|
if (cap_set_flag(caps, CAP_PERMITTED, 1, capList, CAP_CLEAR) == -1) {
|
|
cap_free(caps);
|
|
return;
|
|
}
|
|
if (cap_set_flag(caps, CAP_EFFECTIVE, 1, capList, CAP_CLEAR) == -1) {
|
|
cap_free(caps);
|
|
return;
|
|
}
|
|
cap_set_proc(caps);
|
|
cap_free(caps);
|
|
#endif
|
|
}
|
|
|
|
} // namespace
|
|
|
|
int main(int argc, char * argv[])
|
|
{
|
|
if (getuid() == 0) {
|
|
std::cerr << "kwin_wayland does not support running as root." << std::endl;
|
|
return 1;
|
|
}
|
|
KWin::disablePtrace();
|
|
KWin::Application::setupMalloc();
|
|
KWin::Application::setupLocalizedString();
|
|
KWin::gainRealTime();
|
|
KWin::dropNiceCapability();
|
|
|
|
if (signal(SIGTERM, KWin::sighandler) == SIG_IGN)
|
|
signal(SIGTERM, SIG_IGN);
|
|
if (signal(SIGINT, KWin::sighandler) == SIG_IGN)
|
|
signal(SIGINT, SIG_IGN);
|
|
if (signal(SIGHUP, KWin::sighandler) == SIG_IGN)
|
|
signal(SIGHUP, SIG_IGN);
|
|
signal(SIGABRT, KWin::unsetDumpable);
|
|
signal(SIGSEGV, KWin::unsetDumpable);
|
|
signal(SIGPIPE, SIG_IGN);
|
|
// ensure that no thread takes SIGUSR
|
|
sigset_t userSignals;
|
|
sigemptyset(&userSignals);
|
|
sigaddset(&userSignals, SIGUSR1);
|
|
sigaddset(&userSignals, SIGUSR2);
|
|
pthread_sigmask(SIG_BLOCK, &userSignals, nullptr);
|
|
|
|
QProcessEnvironment environment = QProcessEnvironment::systemEnvironment();
|
|
|
|
// enforce our internal qpa plugin, unfortunately command line switch has precedence
|
|
setenv("QT_QPA_PLATFORM", "wayland-org.kde.kwin.qpa", true);
|
|
|
|
qunsetenv("QT_DEVICE_PIXEL_RATIO");
|
|
qputenv("QT_IM_MODULE", "qtvirtualkeyboard");
|
|
qputenv("QSG_RENDER_LOOP", "basic");
|
|
QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps);
|
|
KWin::ApplicationWayland a(argc, argv);
|
|
a.setupTranslator();
|
|
// reset QT_QPA_PLATFORM to a sane value for any processes started from KWin
|
|
setenv("QT_QPA_PLATFORM", "wayland", true);
|
|
|
|
KWin::Application::createAboutData();
|
|
KQuickAddons::QtQuickSettings::init();
|
|
|
|
const auto availablePlugins = KPluginLoader::findPlugins(QStringLiteral("org.kde.kwin.waylandbackends"));
|
|
auto hasPlugin = [&availablePlugins] (const QString &name) {
|
|
return std::any_of(availablePlugins.begin(), availablePlugins.end(),
|
|
[name] (const KPluginMetaData &plugin) {
|
|
return plugin.pluginId() == name;
|
|
}
|
|
);
|
|
};
|
|
const bool hasSizeOption = hasPlugin(KWin::s_x11Plugin) || hasPlugin(KWin::s_virtualPlugin);
|
|
const bool hasOutputCountOption = hasPlugin(KWin::s_x11Plugin);
|
|
const bool hasX11Option = hasPlugin(KWin::s_x11Plugin);
|
|
const bool hasVirtualOption = hasPlugin(KWin::s_virtualPlugin);
|
|
const bool hasWaylandOption = hasPlugin(KWin::s_waylandPlugin);
|
|
const bool hasFramebufferOption = hasPlugin(KWin::s_fbdevPlugin);
|
|
#if HAVE_DRM
|
|
const bool hasDrmOption = hasPlugin(KWin::s_drmPlugin);
|
|
#endif
|
|
#if HAVE_LIBHYBRIS
|
|
const bool hasHwcomposerOption = hasPlugin(KWin::s_hwcomposerPlugin);
|
|
#endif
|
|
|
|
QCommandLineOption xwaylandOption(QStringLiteral("xwayland"),
|
|
i18n("Start a rootless Xwayland server."));
|
|
QCommandLineOption waylandSocketOption(QStringList{QStringLiteral("s"), QStringLiteral("socket")},
|
|
i18n("Name of the Wayland socket to listen on. If not set \"wayland-0\" is used."),
|
|
QStringLiteral("socket"));
|
|
QCommandLineOption framebufferOption(QStringLiteral("framebuffer"),
|
|
i18n("Render to framebuffer."));
|
|
QCommandLineOption framebufferDeviceOption(QStringLiteral("fb-device"),
|
|
i18n("The framebuffer device to render to."),
|
|
QStringLiteral("fbdev"));
|
|
QCommandLineOption x11DisplayOption(QStringLiteral("x11-display"),
|
|
i18n("The X11 Display to use in windowed mode on platform X11."),
|
|
QStringLiteral("display"));
|
|
QCommandLineOption waylandDisplayOption(QStringLiteral("wayland-display"),
|
|
i18n("The Wayland Display to use in windowed mode on platform Wayland."),
|
|
QStringLiteral("display"));
|
|
QCommandLineOption virtualFbOption(QStringLiteral("virtual"), i18n("Render to a virtual framebuffer."));
|
|
QCommandLineOption widthOption(QStringLiteral("width"),
|
|
i18n("The width for windowed mode. Default width is 1024."),
|
|
QStringLiteral("width"));
|
|
widthOption.setDefaultValue(QString::number(1024));
|
|
QCommandLineOption heightOption(QStringLiteral("height"),
|
|
i18n("The height for windowed mode. Default height is 768."),
|
|
QStringLiteral("height"));
|
|
heightOption.setDefaultValue(QString::number(768));
|
|
|
|
QCommandLineOption scaleOption(QStringLiteral("scale"),
|
|
i18n("The scale for windowed mode. Default value is 1."),
|
|
QStringLiteral("scale"));
|
|
scaleOption.setDefaultValue(QString::number(1));
|
|
|
|
QCommandLineOption outputCountOption(QStringLiteral("output-count"),
|
|
i18n("The number of windows to open as outputs in windowed mode. Default value is 1"),
|
|
QStringLiteral("count"));
|
|
outputCountOption.setDefaultValue(QString::number(1));
|
|
|
|
QCommandLineParser parser;
|
|
a.setupCommandLine(&parser);
|
|
parser.addOption(xwaylandOption);
|
|
parser.addOption(waylandSocketOption);
|
|
if (hasX11Option) {
|
|
parser.addOption(x11DisplayOption);
|
|
}
|
|
if (hasWaylandOption) {
|
|
parser.addOption(waylandDisplayOption);
|
|
}
|
|
if (hasFramebufferOption) {
|
|
parser.addOption(framebufferOption);
|
|
parser.addOption(framebufferDeviceOption);
|
|
}
|
|
if (hasVirtualOption) {
|
|
parser.addOption(virtualFbOption);
|
|
}
|
|
if (hasSizeOption) {
|
|
parser.addOption(widthOption);
|
|
parser.addOption(heightOption);
|
|
parser.addOption(scaleOption);
|
|
}
|
|
if (hasOutputCountOption) {
|
|
parser.addOption(outputCountOption);
|
|
}
|
|
#if HAVE_LIBHYBRIS
|
|
QCommandLineOption hwcomposerOption(QStringLiteral("hwcomposer"), i18n("Use libhybris hwcomposer"));
|
|
if (hasHwcomposerOption) {
|
|
parser.addOption(hwcomposerOption);
|
|
}
|
|
#endif
|
|
QCommandLineOption libinputOption(QStringLiteral("libinput"),
|
|
i18n("Enable libinput support for input events processing. Note: never use in a nested session. (deprecated)"));
|
|
parser.addOption(libinputOption);
|
|
#if HAVE_DRM
|
|
QCommandLineOption drmOption(QStringLiteral("drm"), i18n("Render through drm node."));
|
|
if (hasDrmOption) {
|
|
parser.addOption(drmOption);
|
|
}
|
|
#endif
|
|
|
|
QCommandLineOption inputMethodOption(QStringLiteral("inputmethod"),
|
|
i18n("Input method that KWin starts."),
|
|
QStringLiteral("path/to/imserver"));
|
|
parser.addOption(inputMethodOption);
|
|
|
|
QCommandLineOption listBackendsOption(QStringLiteral("list-backends"),
|
|
i18n("List all available backends and quit."));
|
|
parser.addOption(listBackendsOption);
|
|
|
|
QCommandLineOption screenLockerOption(QStringLiteral("lockscreen"),
|
|
i18n("Starts the session in locked mode."));
|
|
parser.addOption(screenLockerOption);
|
|
|
|
QCommandLineOption noScreenLockerOption(QStringLiteral("no-lockscreen"),
|
|
i18n("Starts the session without lock screen support."));
|
|
parser.addOption(noScreenLockerOption);
|
|
|
|
QCommandLineOption noGlobalShortcutsOption(QStringLiteral("no-global-shortcuts"),
|
|
i18n("Starts the session without global shortcuts support."));
|
|
parser.addOption(noGlobalShortcutsOption);
|
|
|
|
QCommandLineOption exitWithSessionOption(QStringLiteral("exit-with-session"),
|
|
i18n("Exit after the session application, which is started by KWin, closed."),
|
|
QStringLiteral("/path/to/session"));
|
|
parser.addOption(exitWithSessionOption);
|
|
|
|
parser.addPositionalArgument(QStringLiteral("applications"),
|
|
i18n("Applications to start once Wayland and Xwayland server are started"),
|
|
QStringLiteral("[/path/to/application...]"));
|
|
|
|
parser.process(a);
|
|
a.processCommandLine(&parser);
|
|
|
|
#ifdef KWIN_BUILD_ACTIVITIES
|
|
a.setUseKActivities(false);
|
|
#endif
|
|
|
|
if (parser.isSet(listBackendsOption)) {
|
|
for (const auto &plugin: availablePlugins) {
|
|
std::cout << std::setw(40) << std::left << qPrintable(plugin.name()) << qPrintable(plugin.description()) << std::endl;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
if (parser.isSet(exitWithSessionOption)) {
|
|
a.setSessionArgument(parser.value(exitWithSessionOption));
|
|
}
|
|
|
|
KWin::Application::setUseLibinput(parser.isSet(libinputOption));
|
|
|
|
QString pluginName;
|
|
QSize initialWindowSize;
|
|
QByteArray deviceIdentifier;
|
|
int outputCount = 1;
|
|
qreal outputScale = 1;
|
|
|
|
#if HAVE_DRM
|
|
if (hasDrmOption && parser.isSet(drmOption)) {
|
|
pluginName = KWin::s_drmPlugin;
|
|
}
|
|
#endif
|
|
|
|
if (hasSizeOption) {
|
|
bool ok = false;
|
|
const int width = parser.value(widthOption).toInt(&ok);
|
|
if (!ok) {
|
|
std::cerr << "FATAL ERROR incorrect value for width" << std::endl;
|
|
return 1;
|
|
}
|
|
const int height = parser.value(heightOption).toInt(&ok);
|
|
if (!ok) {
|
|
std::cerr << "FATAL ERROR incorrect value for height" << std::endl;
|
|
return 1;
|
|
}
|
|
const qreal scale = parser.value(scaleOption).toDouble(&ok);
|
|
if (!ok || scale <= 0) {
|
|
std::cerr << "FATAL ERROR incorrect value for scale" << std::endl;
|
|
return 1;
|
|
}
|
|
|
|
outputScale = scale;
|
|
initialWindowSize = QSize(width, height);
|
|
}
|
|
|
|
if (hasOutputCountOption) {
|
|
bool ok = false;
|
|
const int count = parser.value(outputCountOption).toInt(&ok);
|
|
if (ok) {
|
|
outputCount = qMax(1, count);
|
|
}
|
|
}
|
|
|
|
if (hasX11Option && parser.isSet(x11DisplayOption)) {
|
|
deviceIdentifier = parser.value(x11DisplayOption).toUtf8();
|
|
pluginName = KWin::s_x11Plugin;
|
|
} else if (hasWaylandOption && parser.isSet(waylandDisplayOption)) {
|
|
deviceIdentifier = parser.value(waylandDisplayOption).toUtf8();
|
|
pluginName = KWin::s_waylandPlugin;
|
|
}
|
|
|
|
if (hasFramebufferOption && parser.isSet(framebufferOption)) {
|
|
pluginName = KWin::s_fbdevPlugin;
|
|
deviceIdentifier = parser.value(framebufferDeviceOption).toUtf8();
|
|
}
|
|
#if HAVE_LIBHYBRIS
|
|
if (hasHwcomposerOption && parser.isSet(hwcomposerOption)) {
|
|
pluginName = KWin::s_hwcomposerPlugin;
|
|
}
|
|
#endif
|
|
if (hasVirtualOption && parser.isSet(virtualFbOption)) {
|
|
pluginName = KWin::s_virtualPlugin;
|
|
}
|
|
|
|
if (pluginName.isEmpty()) {
|
|
std::cerr << "No backend specified through command line argument, trying auto resolution" << std::endl;
|
|
pluginName = KWin::automaticBackendSelection();
|
|
}
|
|
|
|
auto pluginIt = std::find_if(availablePlugins.begin(), availablePlugins.end(),
|
|
[&pluginName] (const KPluginMetaData &plugin) {
|
|
return plugin.pluginId() == pluginName;
|
|
}
|
|
);
|
|
if (pluginIt == availablePlugins.end()) {
|
|
std::cerr << "FATAL ERROR: could not find a backend" << std::endl;
|
|
return 1;
|
|
}
|
|
|
|
// TODO: create backend without having the server running
|
|
KWin::WaylandServer *server = KWin::WaylandServer::create(&a);
|
|
|
|
KWin::WaylandServer::InitializationFlags flags;
|
|
if (parser.isSet(screenLockerOption)) {
|
|
flags = KWin::WaylandServer::InitializationFlag::LockScreen;
|
|
} else if (parser.isSet(noScreenLockerOption)) {
|
|
flags = KWin::WaylandServer::InitializationFlag::NoLockScreenIntegration;
|
|
}
|
|
if (parser.isSet(noGlobalShortcutsOption)) {
|
|
flags |= KWin::WaylandServer::InitializationFlag::NoGlobalShortcuts;
|
|
}
|
|
if (!server->init(parser.value(waylandSocketOption).toUtf8(), flags)) {
|
|
std::cerr << "FATAL ERROR: could not create Wayland server" << std::endl;
|
|
return 1;
|
|
}
|
|
|
|
a.initPlatform(*pluginIt);
|
|
if (!a.platform()) {
|
|
std::cerr << "FATAL ERROR: could not instantiate a backend" << std::endl;
|
|
return 1;
|
|
}
|
|
if (!deviceIdentifier.isEmpty()) {
|
|
a.platform()->setDeviceIdentifier(deviceIdentifier);
|
|
}
|
|
if (initialWindowSize.isValid()) {
|
|
a.platform()->setInitialWindowSize(initialWindowSize);
|
|
}
|
|
a.platform()->setInitialOutputScale(outputScale);
|
|
a.platform()->setInitialOutputCount(outputCount);
|
|
|
|
QObject::connect(&a, &KWin::Application::workspaceCreated, server, &KWin::WaylandServer::initWorkspace);
|
|
environment.insert(QStringLiteral("WAYLAND_DISPLAY"), server->display()->socketName());
|
|
a.setProcessStartupEnvironment(environment);
|
|
a.setStartXwayland(parser.isSet(xwaylandOption));
|
|
a.setApplicationsToStart(parser.positionalArguments());
|
|
a.setInputMethodServerToStart(parser.value(inputMethodOption));
|
|
a.start();
|
|
|
|
return a.exec();
|
|
}
|