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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** 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, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** 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.GPL 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.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "textprogressbar.h"
#include <QByteArray>
#include <stdio.h>
TextProgressBar::TextProgressBar()
: value(0), maximum(-1), iteration(0)
{
}
void TextProgressBar::clear()
{
printf("\n");
fflush(stdout);
iteration = 0;
value = 0;
maximum = -1;
}
void TextProgressBar::update()
{
++iteration;
if (maximum > 0) {
// we know the maximum
// draw a progress bar
int percent = value * 100 / maximum;
int hashes = percent / 2;
QByteArray progressbar(hashes, '#');
if (percent % 2)
progressbar += '>';
printf("\r[%-50s] %3d%% %s ",
progressbar.constData(),
percent,
qPrintable(message));
} else {
// we don't know the maximum, so we can't draw a progress bar
int center = (iteration % 48) + 1; // 50 spaces, minus 2
QByteArray before(qMax(center - 2, 0), ' ');
QByteArray after(qMin(center + 2, 50), ' ');
printf("\r[%s###%s] %s ",
before.constData(), after.constData(), qPrintable(message));
}
}
void TextProgressBar::setMessage(const QString &m)
{
message = m;
}
void TextProgressBar::setStatus(qint64 val, qint64 max)
{
value = val;
maximum = max;
}
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