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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the documentation of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
//! [0]
Q3ProgressDialog progress("Copying files...", "Abort Copy", numFiles,
this, "progress", true);
for (int i = 0; i < numFiles; i++) {
progress.setProgress(i);
qApp->processEvents();
if (progress.wasCanceled())
break;
//... copy one file
}
progress.setProgress(numFiles);
//! [0]
//! [1]
Operation::Operation(QObject *parent = 0)
: QObject(parent), steps(0)
{
pd = new Q3ProgressDialog("Operation in progress.", "Cancel", 100);
connect(pd, SIGNAL(canceled()), this, SLOT(cancel()));
t = new QTimer(this);
connect(t, SIGNAL(timeout()), this, SLOT(perform()));
t->start(0);
}
void Operation::perform()
{
pd->setProgress(steps);
//... perform one percent of the operation
steps++;
if (steps > pd->totalSteps())
t->stop();
}
void Operation::cancel()
{
t->stop();
//... cleanup
}
//! [1]
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