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112 lines
3.6 KiB
112 lines
3.6 KiB
/* BEGIN_COMMON_COPYRIGHT_HEADER
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* (c)LGPL2+
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*
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* LXQt - a lightweight, Qt based, desktop toolset
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* http://lxqt.org
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*
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* Copyright: 2014 LXQt team
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* Authors:
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* Luís Pereira <luis.artur.pereira@gmail.com>
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*
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* This program or library is free software; you can redistribute it
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* and/or modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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* You should have received a copy of the GNU Lesser General
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* Public License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA
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*
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* END_COMMON_COPYRIGHT_HEADER */
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#include "lxqtsingleapplication.h"
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#include "singleapplicationadaptor.h"
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#include <KWindowSystem/KWindowSystem>
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#include <KWindowSystem/NETWM>
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#include <QDBusMessage>
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#include <QWidget>
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#include <QDebug>
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#include <QTimer>
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using namespace LXQt;
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SingleApplication::SingleApplication(int &argc, char **argv, StartOptions options)
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: Application(argc, argv),
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mActivationWindow(0)
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{
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QString service =
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QString::fromLatin1("org.lxqt.%1").arg(QApplication::applicationName());
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QDBusConnection bus = QDBusConnection::sessionBus();
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if (!bus.isConnected()) {
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QLatin1String errorMessage("Can't connect to the D-Bus session bus\n"
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"Make sure the D-Bus daemon is running");
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/* ExitOnDBusFailure is the default. Any value other than
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NoExitOnDBusFailure will be taken as ExitOnDBusFailure (the default).
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*/
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if (options == NoExitOnDBusFailure) {
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qDebug() << Q_FUNC_INFO << errorMessage;
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return;
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} else {
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qCritical() << Q_FUNC_INFO << errorMessage;
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QTimer::singleShot(0, [this] { exit(1); });
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}
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}
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bool registered = (bus.registerService(service) ==
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QDBusConnectionInterface::ServiceRegistered);
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if (registered) { // We are the primary instance
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SingleApplicationAdaptor *mAdaptor = new SingleApplicationAdaptor(this);
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QLatin1String objectPath("/");
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bus.registerObject(objectPath, mAdaptor,
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QDBusConnection::ExportAllSlots);
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} else { // We are the second outstance
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QDBusMessage msg = QDBusMessage::createMethodCall(service,
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QStringLiteral("/"),
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QStringLiteral("org.lxqt.SingleApplication"),
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QStringLiteral("activateWindow"));
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QDBusConnection::sessionBus().send(msg);
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QTimer::singleShot(0, [this] { exit(0); });
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}
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}
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SingleApplication::~SingleApplication()
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{
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}
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void SingleApplication::setActivationWindow(QWidget *w)
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{
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mActivationWindow = w;
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}
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QWidget *SingleApplication::activationWindow() const
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{
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return mActivationWindow;
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}
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void SingleApplication::activateWindow()
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{
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if (mActivationWindow) {
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mActivationWindow->show();
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WId window = mActivationWindow->effectiveWinId();
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KWindowInfo info(window, NET::WMDesktop);
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int windowDesktop = info.desktop();
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if (windowDesktop != KWindowSystem::currentDesktop())
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KWindowSystem::setCurrentDesktop(windowDesktop);
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KWindowSystem::activateWindow(window);
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} else {
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qDebug() << Q_FUNC_INFO << "activationWindow not set or null";
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}
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}
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