133 lines
4.4 KiB
C++
133 lines
4.4 KiB
C++
/****************************************************************************
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**
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** This file is part of a Qt Solutions component.
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**
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** Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
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**
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** Contact: Qt Software Information (qt-info@nokia.com)
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**
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** Commercial Usage
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Solutions Commercial License Agreement provided
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** with the Software or, alternatively, in accordance with the terms
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** contained in a written agreement between you and Nokia.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain
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** additional rights. These rights are described in the Nokia Qt LGPL
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** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
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** package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** Please note Third Party Software included with Qt Solutions may impose
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** additional restrictions and it is the user's responsibility to ensure
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** that they have met the licensing requirements of the GPL, LGPL, or Qt
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** Solutions Commercial license and the relevant license of the Third
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** Party Software they are using.
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**
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** If you are unsure which license is appropriate for your use, please
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** contact the sales department at qt-sales@nokia.com.
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**
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****************************************************************************/
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#include <QtGui/QApplication>
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#include <QtGui/QDesktopWidget>
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#include <QtGui/QLabel>
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#include <QtCore/QDir>
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#include <QtCore/QSettings>
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#include "qtservice.h"
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class InteractiveService : public QtService<QApplication>
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{
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public:
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InteractiveService(int argc, char **argv);
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~InteractiveService();
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protected:
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void start();
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void stop();
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void pause();
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void resume();
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void processCommand(int code);
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private:
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QLabel *gui;
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};
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InteractiveService::InteractiveService(int argc, char **argv)
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: QtService<QApplication>(argc, argv, "Qt Interactive Service"), gui(0)
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{
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setServiceDescription("A Qt service with user interface.");
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setServiceFlags(QtServiceBase::CanBeSuspended);
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}
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InteractiveService::~InteractiveService()
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{
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}
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void InteractiveService::start()
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{
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#if defined(Q_OS_WIN)
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if ((QSysInfo::WindowsVersion & QSysInfo::WV_NT_based) &&
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(QSysInfo::WindowsVersion >= QSysInfo::WV_VISTA)) {
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logMessage( "Service GUI not allowed on Windows Vista. See the documentation for this example for more information.", QtServiceBase::Error );
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return;
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}
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#endif
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qApp->setQuitOnLastWindowClosed(false);
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gui = new QLabel("Service", 0, Qt::WindowStaysOnTopHint | Qt::FramelessWindowHint);
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gui->move(QApplication::desktop()->availableGeometry().topLeft());
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gui->show();
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}
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void InteractiveService::stop()
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{
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delete gui;
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}
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void InteractiveService::pause()
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{
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if (gui)
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gui->hide();
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}
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void InteractiveService::resume()
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{
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if (gui)
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gui->show();
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}
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void InteractiveService::processCommand(int code)
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{
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gui->setText("Command code " + QString::number(code));
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gui->adjustSize();
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}
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int main(int argc, char **argv)
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{
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#if !defined(Q_WS_WIN)
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// QtService stores service settings in SystemScope, which normally require root privileges.
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// To allow testing this example as non-root, we change the directory of the SystemScope settings file.
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QSettings::setPath(QSettings::NativeFormat, QSettings::SystemScope, QDir::tempPath());
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qWarning("(Example uses dummy settings file: %s/QtSoftware.conf)", QDir::tempPath().toLatin1().constData());
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#endif
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InteractiveService service(argc, argv);
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return service.exec();
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}
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