99 lines
3.3 KiB
C++
99 lines
3.3 KiB
C++
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/****************************************************************************
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**
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** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the examples of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:BSD$
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** You may use this file under the terms of the BSD license as follows:
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**
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** "Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions are
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** met:
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** * Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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** * Redistributions in binary form must reproduce the above copyright
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** notice, this list of conditions and the following disclaimer in
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** the documentation and/or other materials provided with the
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** distribution.
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** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
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** the names of its contributors may be used to endorse or promote
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** products derived from this software without specific prior written
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** permission.
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "textprogressbar.h"
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#include <QByteArray>
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#include <stdio.h>
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TextProgressBar::TextProgressBar()
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: value(0), maximum(-1), iteration(0)
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{
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}
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void TextProgressBar::clear()
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{
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printf("\n");
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fflush(stdout);
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iteration = 0;
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value = 0;
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maximum = -1;
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}
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void TextProgressBar::update()
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{
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++iteration;
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if (maximum > 0) {
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// we know the maximum
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// draw a progress bar
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int percent = value * 100 / maximum;
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int hashes = percent / 2;
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QByteArray progressbar(hashes, '#');
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if (percent % 2)
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progressbar += '>';
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printf("\r[%-50s] %3d%% %s ",
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progressbar.constData(),
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percent,
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qPrintable(message));
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} else {
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// we don't know the maximum, so we can't draw a progress bar
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int center = (iteration % 48) + 1; // 50 spaces, minus 2
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QByteArray before(qMax(center - 2, 0), ' ');
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QByteArray after(qMin(center + 2, 50), ' ');
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printf("\r[%s###%s] %s ",
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before.constData(), after.constData(), qPrintable(message));
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}
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}
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void TextProgressBar::setMessage(const QString &m)
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{
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message = m;
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}
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void TextProgressBar::setStatus(qint64 val, qint64 max)
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{
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value = val;
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maximum = max;
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}
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