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// Copyright (C) 2017 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR BSD-3-Clause
#ifndef MAINWIDGET_H
#define MAINWIDGET_H
#include <QAudioDevice>
#include <QIcon>
#include <QWidget>
class Engine;
class FrequencySpectrum;
class LevelMeter;
class ProgressBar;
class SettingsDialog;
class Spectrograph;
class ToneGeneratorDialog;
class Waveform;
QT_BEGIN_NAMESPACE
class QAction;
class QAudioFormat;
class QLabel;
class QMenu;
class QPushButton;
QT_END_NAMESPACE
/**
* Main application widget, responsible for connecting the various UI
* elements to the Engine.
*/
class MainWidget : public QWidget
{
Q_OBJECT
public:
explicit MainWidget(QWidget *parent = nullptr);
~MainWidget();
// QObject
void timerEvent(QTimerEvent *event) override;
public slots:
void stateChanged(QAudioDevice::Mode mode, QAudio::State state);
void formatChanged(const QAudioFormat &format);
void spectrumChanged(qint64 position, qint64 length, const FrequencySpectrum &spectrum);
void infoMessage(const QString &message, int timeoutMs);
void errorMessage(const QString &heading, const QString &detail);
void audioPositionChanged(qint64 position);
void bufferLengthChanged(qint64 length);
private slots:
void showFileDialog();
void showSettingsDialog();
void showToneGeneratorDialog();
void initializeRecord();
void updateModeMenu();
void updateButtonStates();
private:
void createUi();
void createMenus();
void connectUi();
void reset();
enum Mode { NoMode, RecordMode, GenerateToneMode, LoadFileMode };
void setMode(Mode mode);
private:
Mode m_mode;
Engine *m_engine;
#ifndef DISABLE_WAVEFORM
Waveform *m_waveform;
#endif
ProgressBar *m_progressBar;
Spectrograph *m_spectrograph;
LevelMeter *m_levelMeter;
QPushButton *m_modeButton;
QPushButton *m_recordButton;
QIcon m_recordIcon;
QPushButton *m_pauseButton;
QIcon m_pauseIcon;
QPushButton *m_playButton;
QIcon m_playIcon;
QPushButton *m_settingsButton;
QIcon m_settingsIcon;
QLabel *m_infoMessage;
int m_infoMessageTimerId;
SettingsDialog *m_settingsDialog;
ToneGeneratorDialog *m_toneGeneratorDialog;
QMenu *m_modeMenu;
QAction *m_loadFileAction;
QAction *m_generateToneAction;
QAction *m_recordAction;
bool m_errorOccurred;
};
#endif // MAINWIDGET_H
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