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// Copyright 2020-2021 The Mumble Developers. All rights reserved.
// Use of this source code is governed by a BSD-style license
// that can be found in the LICENSE file at the root of the
// Mumble source tree or at <https://www.mumble.info/LICENSE>.
#include "ListenerLocalVolumeDialog.h"
#include "Channel.h"
#include "ChannelListener.h"
#include "ClientUser.h"
#include <QtWidgets/QPushButton>
#include <cmath>
ListenerLocalVolumeDialog::ListenerLocalVolumeDialog(ClientUser *user, Channel *channel, QWidget *parent)
: QDialog(parent), m_user(user), m_channel(channel) {
setupUi(this);
m_initialAdjustemt = ChannelListener::getListenerLocalVolumeAdjustment(m_channel);
// Decibel formula: +6db = *2
// Calculate the db-shift from the set volume-faactor
float fdbShift = log2f(m_initialAdjustemt) * 6;
qsUserLocalVolume->setValue(static_cast< int >(roundf(fdbShift)));
setWindowTitle(tr("Adjusting local volume for listening to %1").arg(channel->qsName));
}
void ListenerLocalVolumeDialog::on_qsUserLocalVolume_valueChanged(int value) {
qsbUserLocalVolume->setValue(value);
}
void ListenerLocalVolumeDialog::on_qsbUserLocalVolume_valueChanged(int value) {
qsUserLocalVolume->setValue(value);
// Decibel formula: +6db = *2
// Calculate the volume-factor for the set db-shift
ChannelListener::setListenerLocalVolumeAdjustment(m_channel,
static_cast< float >(pow(2.0, qsUserLocalVolume->value() / 6.0)));
}
void ListenerLocalVolumeDialog::on_qbbUserLocalVolume_clicked(QAbstractButton *button) {
if (button == qbbUserLocalVolume->button(QDialogButtonBox::Reset)) {
qsUserLocalVolume->setValue(0);
}
if (button == qbbUserLocalVolume->button(QDialogButtonBox::Ok)) {
ListenerLocalVolumeDialog::accept();
}
if (button == qbbUserLocalVolume->button(QDialogButtonBox::Cancel)) {
ListenerLocalVolumeDialog::close();
}
}
void ListenerLocalVolumeDialog::reject() {
// Restore to what has been set before the dialog
ChannelListener::setListenerLocalVolumeAdjustment(m_channel, m_initialAdjustemt);
QDialog::reject();
}
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