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# sql/overview/form1/main.cpp Example File

    /****************************************************************************
    ** $Id$
    **
    ** Copyright (C) 1992-2000 Trolltech AS.  All rights reserved.
    **
    ** This file is part of an example program for Qt.  This example
    ** program may be used, distributed and modified without limitation.
    **
    *****************************************************************************/

    #include <qapplication.h>
    #include <qdialog.h>
    #include <qlabel.h>
    #include <qlayout.h>
    #include <qlineedit.h>
    #include <qsqldatabase.h>
    #include <qsqlcursor.h>
    #include <qsqlform.h>
    #include "../login.h"

    bool createConnections();

    class FormDialog : public QDialog
    {
        public:
            FormDialog();
    };

    FormDialog::FormDialog()
    {
        QLabel *forenameLabel   = new QLabel( "Forename:", this );
        QLabel *forenameDisplay = new QLabel( this );
        QLabel *surnameLabel    = new QLabel( "Surname:", this );
        QLabel *surnameDisplay  = new QLabel( this );
        QLabel *salaryLabel     = new QLabel( "Salary:", this );
        QLineEdit *salaryEdit   = new QLineEdit( this );

        QGridLayout *grid = new QGridLayout( this );
        grid->addWidget( forenameLabel,     0, 0 );
        grid->addWidget( forenameDisplay,   0, 1 );
        grid->addWidget( surnameLabel,      1, 0 );
        grid->addWidget( surnameDisplay,    1, 1 );
        grid->addWidget( salaryLabel,       2, 0 );
        grid->addWidget( salaryEdit,        2, 1 );
        grid->activate();

        QSqlCursor staffCursor( "staff" );
        staffCursor.select();
        staffCursor.next();

        QSqlForm sqlForm( this );
        sqlForm.setRecord( staffCursor.primeUpdate() );
        sqlForm.insert( forenameDisplay, "forename" );
        sqlForm.insert( surnameDisplay, "surname" );
        sqlForm.insert( salaryEdit, "salary" );
        sqlForm.readFields();
    }

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

        if ( ! createConnections() ) return 1;

        FormDialog *formDialog = new FormDialog();
        formDialog->show();
        app.setMainWidget( formDialog );

        return app.exec();
    }

    bool createConnections()
    {
        // create the default database connection
        QSqlDatabase *defaultDB = QSqlDatabase::addDatabase( DB_SALES_DRIVER );
        if ( ! defaultDB ) {
            qWarning( "Failed to connect to driver" );
            return FALSE;
        }
        defaultDB->setDatabaseName( DB_SALES_DBNAME );
        defaultDB->setUserName( DB_SALES_USER );
        defaultDB->setPassword( DB_SALES_PASSWD );
        defaultDB->setHostName( DB_SALES_HOST );
        if ( ! defaultDB->open() ) {
            qWarning( "Failed to open sales database: " +
                      defaultDB->lastError().driverText() );
            qWarning( defaultDB->lastError().databaseText() );
            return FALSE;
        }

        // create a named connection to oracle
        QSqlDatabase *oracle = QSqlDatabase::addDatabase( DB_ORDERS_DRIVER, "ORACLE" );
        if ( ! oracle ) {
            qWarning( "Failed to connect to oracle driver" );
            return FALSE;
        }
        oracle->setDatabaseName( DB_ORDERS_DBNAME );
        oracle->setUserName( DB_ORDERS_USER );
        oracle->setPassword( DB_ORDERS_PASSWD );
        oracle->setHostName( DB_ORDERS_HOST );
        if ( ! oracle->open() ) {
            qWarning( "Failed to open orders database: " +
                      oracle->lastError().driverText() );
            qWarning( oracle->lastError().databaseText() );
            return FALSE;
        }

        return TRUE;
    }