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86 lines
2.3 KiB
C++
86 lines
2.3 KiB
C++
/*
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Copyright © 2015 by The qTox Project
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This file is part of qTox, a Qt-based graphical interface for Tox.
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qTox is libre software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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qTox is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with qTox. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "micfeedbackwidget.h"
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#include "src/audio/audio.h"
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#include <QPainter>
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#include <QLinearGradient>
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MicFeedbackWidget::MicFeedbackWidget(QWidget *parent)
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: QWidget(parent), mMeterListener(nullptr)
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{
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setFixedHeight(20);
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}
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void MicFeedbackWidget::paintEvent(QPaintEvent*)
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{
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const int w = width();
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const int h = height();
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QPainter painter(this);
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painter.setPen(QPen(Qt::gray));
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painter.drawRoundedRect(QRect(0, 0, w - 1, h - 1), 3., 3.);
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int gradientWidth = qMax(0, qRound(w * current) - 4);
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QRect gradientRect(2, 2, gradientWidth, h - 4);
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QPainterPath path;
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QLinearGradient gradient(0, 0, w, 0);
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gradient.setColorAt(0.0, Qt::green);
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gradient.setColorAt(0.5, Qt::yellow);
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gradient.setColorAt(1.0, Qt::red);
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path.addRoundedRect(gradientRect, 2.0, 2.0);
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painter.fillPath(path, gradient);
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float slice = w / 5.f;
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int padding = slice / 2;
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for (int i = 0; i < 5; ++i)
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{
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float pos = slice * i + padding;
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painter.drawLine(pos, 2, pos, h - 4);
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}
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}
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void MicFeedbackWidget::showEvent(QShowEvent*)
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{
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#if 0
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mMeterListener = Audio::getInstance().createAudioMeterListener();
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connect(mMeterListener, &AudioMeterListener::gainChanged,
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this, &MicFeedbackWidget::onGainMetered);
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mMeterListener->start();
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#endif
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}
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void MicFeedbackWidget::hideEvent(QHideEvent*)
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{
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#if 0
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mMeterListener->stop();
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#endif
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}
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void MicFeedbackWidget::onGainMetered(qreal value)
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{
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#if 0
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current = value;
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update();
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mMeterListener->processed();
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#endif
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}
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