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/***************************************************************************
* Copyright (C) 2020 by Ilya Kotov *
* forkotov02@ya.ru *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#ifndef QSUIWAVEFORMSEEKBAR_H
#define QSUIWAVEFORMSEEKBAR_H
#include <QWidget>
#include <QThread>
#include <QMutex>
#include <QPixmap>
#include <qmmp/audioparameters.h>
#include <qmmp/qmmp.h>
class QMenu;
class SoundCore;
class Decoder;
class InputSource;
class QSUIWaveformScanner;
/**
@author Ilya Kotov <forkotov02@ya.ru>
*/
class QSUIWaveformSeekBar : public QWidget
{
Q_OBJECT
public:
explicit QSUIWaveformSeekBar(QWidget *parent = nullptr);
QSize sizeHint() const override;
void readSettings();
private slots:
void onStateChanged(Qmmp::State state);
void onScanFinished();
void onDataChanged();
void onElapsedChanged(qint64 elapsed);
void writeSettings();
private:
void paintEvent(QPaintEvent *e) override;
void resizeEvent(QResizeEvent *) override;
void showEvent(QShowEvent *) override;
void mousePressEvent(QMouseEvent *e) override;
void mouseReleaseEvent(QMouseEvent *) override;
void mouseMoveEvent(QMouseEvent *e) override;
void drawWaveform();
void createMenu();
SoundCore *m_core;
QSUIWaveformScanner *m_scanner = nullptr;
QMenu *m_menu;
QAction *m_showTwoChannelsAction, *m_showRmsAction;
QList<int> m_data;
int m_channels = 0;
qint64 m_elapsed = 0;
qint64 m_duration = 0;
QColor m_bgColor, m_rmsColor, m_waveFormColor, m_progressBar;
QPixmap m_pixmap;
int m_pressedPos = -1;
bool m_update = false;
};
class QSUIWaveformScanner : public QThread
{
Q_OBJECT
public:
explicit QSUIWaveformScanner(QObject *parent);
~QSUIWaveformScanner();
bool scan(const QString &path);
void stop();
const QList<int> &data() const;
const AudioParameters &audioParameters() const;
signals:
void dataChanged();
private:
void run() override;
bool m_user_stop = false;
Decoder *m_decoder = nullptr;
InputSource *m_input = nullptr;
mutable QMutex m_mutex;
QList<int> m_data;
AudioParameters m_ap;
};
#endif // QSUIWAVEFORMSEEKBAR_H
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