plasma-workspace/libkworkspace/kworkspace.cpp

140 lines
3.8 KiB
C++

/*
SPDX-FileCopyrightText: 1997 Matthias Kalle Dalheimer <kalle@kde.org>
SPDX-License-Identifier: LGPL-2.0-or-later
*/
#include "kworkspace.h"
#include "config-libkworkspace.h"
#include <QDBusConnection>
#include <QDataStream>
#include <QDateTime>
#include <QFile>
#include <QFileInfo>
#include <QSocketNotifier>
#include <QTextStream>
#include <ksmserver_interface.h>
#include <stdlib.h> // getenv()
#if HAVE_X11
#include <X11/SM/SMlib.h>
#include <X11/Xatom.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <fixx11h.h>
#endif
#if HAVE_X11
#define DISPLAY "DISPLAY"
#elif defined(Q_WS_QWS)
#define DISPLAY "QWS_DISPLAY"
#endif
#include "config-workspace.h"
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif // HAVE_UNISTD_H
#include <pwd.h>
#include <sys/types.h>
namespace KWorkSpace
{
void requestShutDown(ShutdownConfirm confirm, ShutdownType sdtype, ShutdownMode sdmode)
{
org::kde::KSMServerInterface ksmserver(QStringLiteral("org.kde.ksmserver"), QStringLiteral("/KSMServer"), QDBusConnection::sessionBus());
ksmserver.logout((int)confirm, (int)sdtype, (int)sdmode);
}
bool canShutDown(ShutdownConfirm confirm, ShutdownType sdtype, ShutdownMode sdmode)
{
#if HAVE_X11
if (confirm == ShutdownConfirmYes || sdtype != ShutdownTypeDefault || sdmode != ShutdownModeDefault) {
org::kde::KSMServerInterface ksmserver(QStringLiteral("org.kde.ksmserver"), QStringLiteral("/KSMServer"), QDBusConnection::sessionBus());
QDBusReply<bool> reply = ksmserver.canShutdown();
if (!reply.isValid()) {
return false;
}
return reply;
}
return true;
#else
return false;
#endif
}
bool isShuttingDown()
{
org::kde::KSMServerInterface ksmserver(QStringLiteral("org.kde.ksmserver"), QStringLiteral("/KSMServer"), QDBusConnection::sessionBus());
QDBusReply<bool> reply = ksmserver.isShuttingDown();
if (!reply.isValid()) {
return false;
}
return reply;
}
static QTime smModificationTime;
void propagateSessionManager()
{
#if HAVE_X11
QByteArray fName = QFile::encodeName(QStandardPaths::writableLocation(QStandardPaths::RuntimeLocation) + "/KSMserver");
QString display = QString::fromLocal8Bit(::getenv(DISPLAY));
// strip the screen number from the display
display.remove(QRegularExpression(QStringLiteral("\\.\\d+$")));
int i;
while ((i = display.indexOf(':')) >= 0)
display[i] = '_';
while ((i = display.indexOf('/')) >= 0)
display[i] = '_';
fName += '_';
fName += display.toLocal8Bit();
QByteArray smEnv = ::getenv("SESSION_MANAGER");
bool check = smEnv.isEmpty();
if (!check && smModificationTime.isValid()) {
QFileInfo info(fName);
QTime current = info.lastModified().time();
check = current > smModificationTime;
}
if (check) {
QFile f(fName);
if (!f.open(QIODevice::ReadOnly))
return;
QFileInfo info(f);
smModificationTime = QTime(info.lastModified().time());
QTextStream t(&f);
t.setCodec("ISO 8859-1");
QString s = t.readLine();
f.close();
::setenv("SESSION_MANAGER", s.toLatin1(), true);
}
#endif
}
void detectPlatform(int argc, char **argv)
{
if (qEnvironmentVariableIsSet("QT_QPA_PLATFORM")) {
return;
}
for (int i = 0; i < argc; i++) {
if (qstrcmp(argv[i], "-platform") == 0 || qstrcmp(argv[i], "--platform") == 0 || QByteArray(argv[i]).startsWith("-platform=")
|| QByteArray(argv[i]).startsWith("--platform=")) {
return;
}
}
const QByteArray sessionType = qgetenv("XDG_SESSION_TYPE");
if (sessionType.isEmpty()) {
return;
}
if (qstrcmp(sessionType, "wayland") == 0) {
qputenv("QT_QPA_PLATFORM", "wayland");
} else if (qstrcmp(sessionType, "x11") == 0) {
qputenv("QT_QPA_PLATFORM", "xcb");
}
}
} // end namespace