view ui/trayicon.cpp @ 1332:8362e30f7b55

(issue139) Check that pid is not running if the lock can be aquired If the lock on the lockfile can be aquired it might still be possible that another process is running. So we read the pid from the lockfile and check if another process with the same installation prefix as us is running.
author Andre Heinecke <andre.heinecke@intevation.de>
date Wed, 15 Oct 2014 14:19:46 +0200
parents 5f4e77acb2f3
children
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/* Copyright (C) 2014 by Bundesamt für Sicherheit in der Informationstechnik
 * Software engineering by Intevation GmbH
 *
 * This file is Free Software under the GNU GPL (v>=2)
 * and comes with ABSOLUTELY NO WARRANTY!
 * See LICENSE.txt for details.
 */

#include "trayicon.h"

#include <QMessageBox>
#include <QSystemTrayIcon>
#include <QDebug>
#include <QAbstractButton>
#include <QMainWindow>

TrayIcon::TrayIcon (QObject *parent) :
    QSystemTrayIcon (parent),
    useAlt(false),
    mMessageBox(NULL)
{
    if (QSystemTrayIcon::isSystemTrayAvailable() &&
        qgetenv("XDG_CURRENT_DESKTOP") != "Unity") {
        return;
    }
    qDebug() << "Platform is without systray. Using Alternative notifications";
    useAlt = true;

}

void TrayIcon::show() {
    if (useAlt) {
        qDebug() << "Would show";
        return;
    }
    QSystemTrayIcon::show();
}

void TrayIcon::showMessage(const QString &title, const QString &msg,
                           QSystemTrayIcon::MessageIcon msg_icon, int msecs,
                           const QString &okBtnText) {
    if (!useAlt) {
        QSystemTrayIcon::showMessage(title, msg, msg_icon, msecs);
        return;
    }
    if (!mMessageBox) {
        mMessageBox = new QMessageBox (QMessageBox::Information,
                                       title, msg, QMessageBox::Ok | QMessageBox::No,
                                       qobject_cast<QWidget*>(parent()));
        connect(mMessageBox->button(QMessageBox::Ok), SIGNAL(clicked()), this, SIGNAL(messageClicked()));
        connect(mMessageBox, SIGNAL(destroyed()), this, SLOT(messageDestroyed()));
    }
    mMessageBox->setIconPixmap(icon().pixmap(mMessageBox->iconPixmap().size()));
    mMessageBox->setWindowIcon(QIcon(":/img/logo.png"));

    if (!okBtnText.isEmpty()) {
        mMessageBox->button(QMessageBox::Ok)->setText (okBtnText);
    } else {
        mMessageBox->button(QMessageBox::Ok)->setText (tr("Install update"));
    }
    mMessageBox->button(QMessageBox::No)->setText (tr("Remind me later"));
    mMessageBox->show();
}

void TrayIcon::messageDestroyed() {
    mMessageBox = NULL;
}

http://wald.intevation.org/projects/trustbridge/