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/* BEGIN_COMMON_COPYRIGHT_HEADER
* (c)LGPL2+
*
* LXQt - a lightweight, Qt based, desktop toolset
* https://lxqt.org
*
* Copyright: 2014 LXQt team
* Authors:
* Luís Pereira <luis.artur.pereira@gmail.com>
*
* This program or library is free software; you can redistribute it
* and/or modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General
* Public License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
*
* END_COMMON_COPYRIGHT_HEADER */
#include "lxqtsingleapplication.h"
#include "singleapplicationadaptor.h"
#include <KWindowSystem>
#include <KWindowInfo>
#include <KX11Extras>
#include <QDBusMessage>
#include <QWidget>
#include <QDebug>
#include <QTimer>
using namespace LXQt;
SingleApplication::SingleApplication(int &argc, char **argv, StartOptions options)
: Application(argc, argv, true),
mActivationWindow(nullptr)
{
QString service =
QString::fromLatin1("org.lxqt.%1").arg(QApplication::applicationName());
QDBusConnection bus = QDBusConnection::sessionBus();
if (!bus.isConnected()) {
QLatin1StringView errorMessage("Can't connect to the D-Bus session bus\n"
"Make sure the D-Bus daemon is running");
/* ExitOnDBusFailure is the default. Any value other than
NoExitOnDBusFailure will be taken as ExitOnDBusFailure (the default).
*/
if (options == NoExitOnDBusFailure) {
qDebug() << Q_FUNC_INFO << errorMessage;
return;
} else {
qCritical() << Q_FUNC_INFO << errorMessage;
QTimer::singleShot(0, this, [] { SingleApplication::exit(1); });
}
}
bool registered = (bus.registerService(service) ==
QDBusConnectionInterface::ServiceRegistered);
if (registered) { // We are the primary instance
SingleApplicationAdaptor *mAdaptor = new SingleApplicationAdaptor(this);
QLatin1StringView objectPath("/");
bus.registerObject(objectPath, mAdaptor,
QDBusConnection::ExportAllSlots);
} else { // We are the second outstance
QDBusMessage msg = QDBusMessage::createMethodCall(service,
QStringLiteral("/"),
QStringLiteral("org.lxqt.SingleApplication"),
QStringLiteral("activateWindow"));
QDBusConnection::sessionBus().send(msg);
QTimer::singleShot(0, this, [] { SingleApplication::exit(0); });
}
}
SingleApplication::~SingleApplication() = default;
void SingleApplication::setActivationWindow(QWidget *w)
{
mActivationWindow = w;
}
QWidget *SingleApplication::activationWindow() const
{
return mActivationWindow;
}
void SingleApplication::activateWindow()
{
if (mActivationWindow) {
mActivationWindow->show();
WId window = mActivationWindow->effectiveWinId();
KWindowInfo info(window, NET::WMDesktop);
int windowDesktop = info.desktop();
if (windowDesktop != KX11Extras::currentDesktop())
KX11Extras::setCurrentDesktop(windowDesktop);
if (QWindow *w = mActivationWindow->windowHandle())
KWindowSystem::activateWindow(w);
else
qDebug() << Q_FUNC_INFO << "Got null windowHandle";
} else {
qDebug() << Q_FUNC_INFO << "activationWindow not set or null";
}
}
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