FrameworkWithGui.h

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/*
 * Copyright (C) 2012 by
 *   MetraLabs GmbH (MLAB), GERMANY
 * and
 *   Neuroinformatics and Cognitive Robotics Labs (NICR) at TU Ilmenau, GERMANY
 * All rights reserved.
 *
 * Contact: info@mira-project.org
 *
 * Commercial Usage:
 *   Licensees holding valid commercial licenses may use this file in
 *   accordance with the commercial license agreement provided with the
 *   software or, alternatively, in accordance with the terms contained in
 *   a written agreement between you and MLAB or NICR.
 *
 * GNU General Public License Usage:
 *   Alternatively, this file may be used under the terms of the GNU
 *   General Public License version 3.0 as published by the Free Software
 *   Foundation and appearing in the file LICENSE.GPL3 included in the
 *   packaging of this file. Please review the following information to
 *   ensure the GNU General Public License version 3.0 requirements will be
 *   met: http://www.gnu.org/copyleft/gpl.html.
 *   Alternatively you may (at your option) use any later version of the GNU
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 * IN NO EVENT SHALL "MLAB" OR "NICR" BE LIABLE TO ANY PARTY FOR DIRECT,
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 */

#ifndef _MIRA_FRAMEWORKWITHGUI_H_
#define _MIRA_FRAMEWORKWITHGUI_H_

#ifndef Q_MOC_RUN
#include <boost/scoped_ptr.hpp>
#endif

#include <QApplication>
#include <QMessageBox>
#include <error/LoggingAux.h>
#include <fw/Framework.h>
#include <thread/ThreadMonitor.h>

#include <widgets/SplashScreen.h>

namespace mira {


class FrameworkWithGui : public Framework
{
public:

    class Application: public QApplication
    {
    public:

        Application(int& argc, char** argv): QApplication(argc,argv)
        {}

        bool notify(QObject *rec, QEvent *ev)
        {
            try {
                return QApplication::notify(rec, ev);
            }
            catch (std::exception& ex) {
                MIRA_LOG_EXCEPTION(ERROR, ex) << "Unhandled exception:\n";
                SplashScreen::closeSplashScreen();
                std::string msg = ex.what() +
                        std::string("\n\nDo you want to continue or abort");
                if(QMessageBox::critical(NULL, "Unhandled exception", msg.c_str() ,
                        QMessageBox::Ignore | QMessageBox::Abort) == QMessageBox::Abort)
                    abort();
            }
            catch (...) {
                MIRA_LOG(ERROR) << "Unhandled exception: <unknown exception>";
                SplashScreen::closeSplashScreen();
                std::string msg = "<unknown exception>" +
                        std::string("\n\nDo you want to continue or abort");
                if(QMessageBox::critical(NULL, "Unhandled exception", msg.c_str() ,
                        QMessageBox::Ignore | QMessageBox::Abort) == QMessageBox::Abort)
                    abort();
            }
            return true;
        }
    };

public:

    FrameworkWithGui(int& argc, char** argv, bool startImmediately = false) :
        Framework(argc, argv, startImmediately),
        mQApp(new Application(argc, argv)),
        mCreatedApp(true)
    {}

    FrameworkWithGui(int& argc, char** argv, QApplication* app, bool startImmediately = false) :
        Framework(argc, argv, startImmediately),
        mQApp(app),
        mCreatedApp(false)
    {}

    ~FrameworkWithGui()
    {
        if(mCreatedApp)
            delete mQApp;
    }

public:

    virtual int exec() {
        ThreadMonitor::instance().addThisThread("Main Qt thread");
        mInExec = true;
        mQApp->exec();
        mInExec = false;
        MIRA_LOG(DEBUG) << "Application was closed, terminating ...";

        return getTerminationExitCode();
    }

    virtual void requestTermination(int exitcode=0) {
        QCoreApplication::instance ()->quit();
        Framework::requestTermination(exitcode);
    }

private:

    QApplication* mQApp;
    bool mCreatedApp;
};


}

#endif