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liblxqt-packaging/lxqtscreensaver.cpp

109 lines
3.4 KiB

/* BEGIN_COMMON_COPYRIGHT_HEADER
* (c)LGPL2+
*
* LXQt - a lightweight, Qt based, desktop toolset
* http://razor-qt.org
*
* Copyright: 2010-2011 Razor team
* Authors:
* Petr Vanek <petr@scribus.info>
*
* 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 <QProcess>
#include "lxqtscreensaver.h"
#include "lxqttranslator.h"
#include <XdgIcon>
#include <QMessageBox>
#include <QAction>
using namespace LXQt;
ScreenSaver::ScreenSaver(QObject * parent)
: QObject(parent)
{
m_xdgProcess = new QProcess(this);
connect(m_xdgProcess, SIGNAL(finished(int,QProcess::ExitStatus)),
this, SLOT(xdgProcess_finished(int,QProcess::ExitStatus)));
}
QList<QAction*> ScreenSaver::availableActions()
{
QList<QAction*> ret;
QAction * act;
act = new QAction(XdgIcon::fromTheme("system-lock-screen", "lock"), tr("Lock Screen"), this);
connect(act, SIGNAL(triggered()), this, SLOT(lockScreen()));
ret.append(act);
return ret;
}
void ScreenSaver::lockScreen()
{
m_xdgProcess->start("xdg-screensaver", QStringList() << "lock");
}
void ScreenSaver::xdgProcess_finished(int err, QProcess::ExitStatus status)
{
QWidget *p = qobject_cast<QWidget*>(parent());
// http://portland.freedesktop.org/xdg-utils-1.1.0-rc1/scripts/xdg-screensaver
if (err == QProcess::NormalExit) // QProcess::NormalExit = 0
{
emit activated();
}
else if (err == 1)
{
QMessageBox::warning(p,
tr("Screen Saver Error"),
tr("An error occurred starting screensaver. "
"Syntax error in xdg-screensaver arguments.")
);
}
else if (err == 3)
{
QMessageBox::warning(p,
tr("Screen Saver Activation Error"),
tr("An error occurred starting screensaver. "
"Ensure you have xscreensaver installed and running.")
);
}
else if (err == 4)
{
QMessageBox::warning(p,
tr("Screen Saver Activation Error"),
tr("An error occurred starting screensaver. "
"Action 'activate' failed. "
"Ensure you have xscreensaver installed and running.")
);
}
else
{
QMessageBox::warning(p,
tr("Screen Saver Activation Error"),
tr("An error occurred starting screensaver. "
"Unknown error - undocumented return value from xdg-screensaver: %1.").arg(err)
);
}
emit done();
}