72 lines
2.0 KiB
C++
72 lines
2.0 KiB
C++
/*
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* Strawberry Music Player
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* This file was part of Clementine.
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* Copyright 2010, David Sansome <me@davidsansome.com>
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*
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* Strawberry is free 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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*
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* Strawberry 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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*
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* You should have received a copy of the GNU General Public License
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* along with Strawberry. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "config.h"
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#include <QtGlobal>
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#include <QWidget>
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#include <QString>
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#include <QLabel>
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#include <QFontMetrics>
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#include "widgets/stickyslider.h"
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#include "equalizerslider.h"
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#include "ui_equalizerslider.h"
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EqualizerSlider::EqualizerSlider(const QString &label, QWidget *parent)
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: QWidget(parent),
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ui_(new Ui_EqualizerSlider) {
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ui_->setupUi(this);
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ui_->band->setText(label);
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QFontMetrics fm = ui_->gain->fontMetrics();
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ui_->gain->setMinimumWidth(fm.horizontalAdvance(tr("%1 dB").arg(-99.99)));
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ui_->gain->setText(tr("%1 dB").arg(0)); // Gain [dB]
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ui_->slider->setValue(0);
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QObject::connect(ui_->slider, &QSlider::valueChanged, this, &EqualizerSlider::OnValueChanged);
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}
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EqualizerSlider::~EqualizerSlider() {
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delete ui_;
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}
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void EqualizerSlider::OnValueChanged(const int value) {
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// Converting % to dB as per GstEnginePipeline::UpdateEqualizer():
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float gain = (static_cast<int>(value) < 0) ? static_cast<float>(value) * static_cast<float>(0.24) : static_cast<float>(value) * static_cast<float>(0.12);
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ui_->gain->setText(tr("%1 dB").arg(gain)); // Gain [dB]
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emit ValueChanged(value);
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}
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int EqualizerSlider::value() const {
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return ui_->slider->value();
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}
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void EqualizerSlider::set_value(const int value) {
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ui_->slider->setValue(value);
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}
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