Add Qt3 development HEAD version

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diff --git a/src/sql/qsqlerror.cpp b/src/sql/qsqlerror.cpp
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+/****************************************************************************
+**
+** Implementation of QSqlError class
+**
+** Created : 2000-11-03
+**
+** Copyright (C) 2005-2008 Trolltech ASA.  All rights reserved.
+**
+** This file is part of the sql module of the Qt GUI Toolkit.
+**
+** 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 files LICENSE.GPL2
+** and LICENSE.GPL3 included in the packaging of this file.
+** Alternatively you may (at your option) use any later version
+** of the GNU General Public License if such license has been
+** publicly approved by Trolltech ASA (or its successors, if any)
+** and the KDE Free Qt Foundation.
+**
+** Please review the following information to ensure GNU General
+** Public Licensing requirements will be met:
+** http://trolltech.com/products/qt/licenses/licensing/opensource/.
+** If you are unsure which license is appropriate for your use, please
+** review the following information:
+** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
+** or contact the sales department at [email protected].
+**
+** This file may be used under the terms of the Q Public License as
+** defined by Trolltech ASA and appearing in the file LICENSE.QPL
+** included in the packaging of this file.  Licensees holding valid Qt
+** Commercial licenses may use this file in accordance with the Qt
+** Commercial License Agreement provided with the Software.
+**
+** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
+** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
+** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
+** herein.
+**
+**********************************************************************/
+
+#include "qsqlerror.h"
+#include <qmessagebox.h>
+
+#ifndef QT_NO_SQL
+
+/*!
+    \class QSqlError qsqlerror.h
+    \brief The QSqlError class provides SQL database error information.
+
+    \ingroup database
+    \module sql
+
+    This class is used to report database-specific errors. An error
+    description and (if appropriate) a database-specific error number
+    can be obtained using this class.
+*/
+
+/*!
+    \enum QSqlError::Type
+
+    This enum type describes the type of SQL error that occurred.
+
+    \value None  no error occurred
+    \value Connection  connection error
+    \value Statement  SQL statement syntax error
+    \value Transaction  transaction failed error
+    \value Unknown  unknown error
+*/
+
+/*!
+    Constructs an error containing the driver error text \a
+    driverText, the database-specific error text \a databaseText, the
+    type \a type and the optional error number \a number.
+*/
+
+QSqlError::QSqlError(  const QString& driverText,
+    		const QString& databaseText,
+		int type,
+		int number )
+: driverError(driverText),
+  databaseError(databaseText),
+  errorType(type),
+  errorNumber(number)
+{
+}
+
+/*!
+    Creates a copy of \a other.
+*/
+
+QSqlError::QSqlError( const QSqlError& other )
+: driverError(other.driverError),
+  databaseError(other.databaseError),
+  errorType(other.errorType),
+  errorNumber(other.errorNumber)
+{
+}
+
+/*!
+    Sets the error equal to \a other.
+*/
+
+QSqlError& QSqlError::operator=( const QSqlError& other )
+{
+    driverError = other.driverError;
+    databaseError = other.databaseError;
+    errorType = other.errorType;
+    errorNumber = other.errorNumber;
+    return *this;
+}
+
+/*!
+    Destroys the object and frees any allocated resources.
+*/
+
+QSqlError::~QSqlError()
+{
+}
+
+/*!
+    Returns the text of the error as reported by the driver. This may
+    contain database-specific descriptions.
+*/
+QString QSqlError::driverText() const
+{
+    return driverError;
+}
+
+/*!
+    Sets the driver error text to the value of \a driverText.
+*/
+
+void QSqlError::setDriverText( const QString& driverText )
+{
+    driverError = driverText;
+}
+
+/*!
+    Returns the text of the error as reported by the database. This
+    may contain database-specific descriptions.
+*/
+
+QString QSqlError::databaseText() const
+{
+    return databaseError;
+}
+
+/*!
+    Sets the database error text to the value of \a databaseText.
+*/
+
+void QSqlError::setDatabaseText( const QString& databaseText )
+{
+    databaseError = databaseText;
+}
+
+/*!
+    Returns the error type, or -1 if the type cannot be determined.
+
+    \sa QSqlError::Type.
+*/
+
+int QSqlError::type() const
+{
+    return errorType;
+}
+
+/*!
+    Sets the error type to the value of \a type.
+*/
+
+void QSqlError::setType( int type )
+{
+    errorType = type;
+}
+
+/*!
+    Returns the database-specific error number, or -1 if it cannot be
+    determined.
+*/
+
+int QSqlError::number() const
+{
+    return errorNumber;
+}
+
+/*!
+    Sets the database-specific error number to \a number.
+*/
+
+void QSqlError::setNumber( int number )
+{
+    errorNumber = number;
+}
+
+/*!
+    This is a convenience function that returns databaseText() and
+    driverText() concatenated into a single string.
+
+    \sa showMessage(), driverText(), databaseText()
+*/
+
+QString QSqlError::text() const
+{
+    if ( databaseError.endsWith("\n") )
+	return databaseError + driverError;
+    else
+	return databaseError + " " + driverError;
+}
+
+/*!
+    \obsolete
+    
+    This is a convenience function that pops up a QMessageBox
+    containing the message returned by text(). An additional string
+    can be passed in via the \a msg parameter, which will be
+    concatenated with the text() message.
+
+    \sa text(), driverText(), databaseText()
+*/
+void QSqlError::showMessage( const QString& msg ) const
+{
+#ifndef QT_NO_MESSAGEBOX
+    QMessageBox::warning( NULL, "SQL Error", msg + text(), 
+			  QMessageBox::Ok, QMessageBox::NoButton ); 
+#endif // QT_NO_MESSAGEBOX
+}
+#endif // QT_NO_SQL