qt-creator/shared/qtsingleapplication/qtsingleapplication.cpp

/***************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact:  Qt Software Information (qt-info@nokia.com)
**
**
** Non-Open Source Usage
**
** Licensees may use this file in accordance with the Qt Beta Version
** License Agreement, Agreement version 2.2 provided with the Software or,
** alternatively, in accordance with the terms contained in a written
** agreement between you and Nokia.
**
** GNU General Public License Usage
**
** Alternatively, this file may be used under the terms of the GNU General
** Public License versions 2.0 or 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the packaging
** of this file.  Please review the following information to ensure GNU
** General Public Licensing requirements will be met:
**
** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
** http://www.gnu.org/copyleft/gpl.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt GPL Exception
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***************************************************************************/

#include "qtsingleapplication.h"
#include "qtlocalpeer.h"

#include <QtGui/QWidget>
#include <QtGui/QFileOpenEvent>

namespace SharedTools {

void QtSingleApplication::sysInit(const QString &appId)
{
    actWin = 0;
    peer = new QtLocalPeer(this, appId);
    connect(peer, SIGNAL(messageReceived(const QString&)), SIGNAL(messageReceived(const QString&)));
}


QtSingleApplication::QtSingleApplication(int &argc, char **argv, bool GUIenabled)
    : QApplication(argc, argv, GUIenabled)
{
    sysInit();
}


QtSingleApplication::QtSingleApplication(const QString &appId, int &argc, char **argv)
    : QApplication(argc, argv)
{
    sysInit(appId);
}


QtSingleApplication::QtSingleApplication(int &argc, char **argv, Type type)
    : QApplication(argc, argv, type)
{
    sysInit();
}


#if defined(Q_WS_X11)
QtSingleApplication::QtSingleApplication(Display* dpy, Qt::HANDLE visual, Qt::HANDLE colormap)
    : QApplication(dpy, visual, colormap)
{
    sysInit();
}

QtSingleApplication::QtSingleApplication(Display *dpy, int &argc, char **argv, Qt::HANDLE visual, Qt::HANDLE cmap)
    : QApplication(dpy, argc, argv, visual, cmap)
{
    sysInit();
}

QtSingleApplication::QtSingleApplication(Display* dpy, const QString &appId,
    int argc, char **argv, Qt::HANDLE visual, Qt::HANDLE colormap)
    : QApplication(dpy, argc, argv, visual, colormap)
{
    sysInit(appId);
}
#endif

bool QtSingleApplication::event(QEvent *event)
{
    if (event->type() == QEvent::FileOpen) {
        QFileOpenEvent *foe = static_cast<QFileOpenEvent*>(event);
        emit fileOpenRequest(foe->file());
        return true;
    }
    return QApplication::event(event);
}

bool QtSingleApplication::isRunning()
{
    return peer->isClient();
}


bool QtSingleApplication::sendMessage(const QString &message, int timeout)
{
    return peer->sendMessage(message, timeout);
}


QString QtSingleApplication::id() const
{
    return peer->applicationId();
}


void QtSingleApplication::setActivationWindow(QWidget *aw, bool activateOnMessage)
{
    actWin = aw;
    if (activateOnMessage)
        connect(peer, SIGNAL(messageReceived(QString)), this, SLOT(activateWindow()));
    else
        disconnect(peer, SIGNAL(messageReceived(QString)), this, SLOT(activateWindow()));
}


QWidget* QtSingleApplication::activationWindow() const
{
    return actWin;
}


void QtSingleApplication::activateWindow()
{
    if (actWin) {
        actWin->setWindowState(actWin->windowState() & ~Qt::WindowMinimized);
        actWin->raise();
        actWin->activateWindow();
    }
}

} // namespace SharedTools