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# main.cpp Example File
demos/sqlbrowser/main.cpp

        /****************************************************************************
        **
        ** Copyright (C) 2004-2006 Trolltech AS. All rights reserved.
        **
        ** This file is part of the documentation of the Qt Toolkit.
        **
        ** This file may be used under the terms of the GNU General Public
        ** License version 2.0 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.trolltech.com/products/qt/opensource.html
        **
        ** If you are unsure which license is appropriate for your use, please
        ** review the following information:
        ** http://www.trolltech.com/products/qt/licensing.html or contact the
        ** sales department at sales@trolltech.com.
        **
        ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
        ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
        **
        ****************************************************************************/

        #include "browser.h"

        #include <QtCore>
        #include <QtGui>
        #include <QtSql>

        void addConnectionsFromCommandline(const QStringList &args, Browser *browser)
        {
            for (int i = 1; i < args.count(); ++i) {
                QUrl url(args.at(i), QUrl::TolerantMode);
                if (!url.isValid()) {
                    qWarning("Invalid URL: %s", qPrintable(args.at(i)));
                    continue;
                }
                QSqlError err = browser->addConnection(url.scheme(), url.path().mid(1), url.host(),
                                                       url.userName(), url.password(), url.port(-1));
                if (err.type() != QSqlError::NoError)
                    qDebug() << "Unable to open connection:" << err;
            }
        }

        int main(int argc, char *argv[])
        {
            QApplication app(argc, argv);

            QMainWindow mainWin;
            mainWin.setWindowTitle(QObject::tr("Qt SQL Browser"));

            Browser browser(&mainWin);
            mainWin.setCentralWidget(&browser);

            QMenu *menu = mainWin.menuBar()->addMenu(QObject::tr("&File"));
            menu->addAction(QObject::tr("Add &Connection..."), &browser, SLOT(addConnection()));
            menu->addSeparator();
            menu->addAction(QObject::tr("&Quit"), &app, SLOT(quit()));

            QObject::connect(&browser, SIGNAL(statusMessage(QString)),
                             mainWin.statusBar(), SLOT(showMessage(QString)));

            addConnectionsFromCommandline(app.arguments(), &browser);
            mainWin.show();
            if (QSqlDatabase::connectionNames().isEmpty())
                QMetaObject::invokeMethod(&browser, "addConnection", Qt::QueuedConnection);

            return app.exec();
        }