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/* -*- c++ -*- */
/*
* Gqrx SDR: Software defined radio receiver powered by GNU Radio and Qt
* http://gqrx.dk/
*
* Copyright 2014 Alexandru Csete OZ9AEC.
*
* Gqrx 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 3, or (at your option)
* any later version.
*
* Gqrx 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 Gqrx; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#ifndef IQ_TOOL_H
#define IQ_TOOL_H
#include <QCloseEvent>
#include <QDialog>
#include <QDir>
#include <QPalette>
#include <QSettings>
#include <QShowEvent>
#include <QString>
#include <QTimer>
namespace Ui {
class CIqTool;
}
struct iqt_cplx
{
float re;
float im;
};
/*! \brief User interface for I/Q recording and playback. */
class CIqTool : public QDialog
{
Q_OBJECT
public:
explicit CIqTool(QWidget *parent = 0);
~CIqTool();
void setSampleRate(qint64 sr);
void closeEvent(QCloseEvent *event);
void showEvent(QShowEvent * event);
void saveSettings(QSettings *settings);
void readSettings(QSettings *settings);
signals:
void startRecording(const QString recdir);
void stopRecording();
void startPlayback(const QString filename, float samprate);
void stopPlayback();
void seek(qint64 seek_pos);
public slots:
void cancelRecording();
void cancelPlayback();
private slots:
void on_recDirEdit_textChanged(const QString &text);
void on_recDirButton_clicked();
void on_recButton_clicked(bool checked);
void on_playButton_clicked(bool checked);
void on_plotButton_clicked();
void on_slider_valueChanged(int value);
void on_listWidget_currentTextChanged(const QString ¤tText);
void timeoutFunction(void);
private:
void refreshDir(void);
void refreshTimeWidgets(void);
qint64 sampleRateFromFileName(const QString &filename);
private:
Ui::CIqTool *ui;
QDir *recdir;
QTimer *timer;
QPalette *error_palette; /*!< Palette used to indicate an error. */
QString current_file; /*!< Selected file in file browser. */
bool is_recording;
bool is_playing;
int bytes_per_sample; /*!< Bytes per sample (fc = 4) */
int sample_rate; /*!< Current sample rate. */
int rec_len; /*!< Length of a recording in seconds */
int plot_spp; /*!< [seconds / datapoint] */
};
#endif // IQ_TOOL_H
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