/*

  Copyright © 2017 Hasan Yavuz Özderya

  This file is part of serialplot.

  serialplot 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 of the License, or

  (at your option) any later version.

  serialplot 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 serialplot.  If not, see <http://www.gnu.org/licenses/>.

*/

#ifndef PORTCONTROL_H

#define PORTCONTROL_H

#include <QWidget>

#include <QButtonGroup>

#include <QSerialPort>

#include <QStringList>

#include <QToolBar>

#include <QAction>

#include <QComboBox>

#include <QSettings>

#include <QTimer>

#include "portlist.h"

namespace Ui {

class PortControl;

}

class PortControl : public QWidget

{

    Q_OBJECT

public:

    explicit PortControl(QSerialPort* port, QWidget* parent = 0);

    ~PortControl();

    QSerialPort* serialPort;

    QToolBar* toolBar();

    /// Stores port settings into a `QSettings`

    void saveSettings(QSettings* settings);

    /// Loads port settings from a `QSettings`. If open serial port is closed.

    void loadSettings(QSettings* settings);

private:

    Ui::PortControl *ui;

    QButtonGroup parityButtons;

    QButtonGroup dataBitsButtons;

    QButtonGroup stopBitsButtons;

    QButtonGroup flowControlButtons;

    QToolBar portToolBar;

    QAction openAction;

    QAction loadPortListAction;

    QComboBox tbPortList;

    PortList portList;

    /// Used to refresh pinout signal leds periodically

    QTimer pinUpdateTimer;

    /// Returns the currently selected (entered) "portName" in the UI

    QString selectedPortName();

    /// Returns currently selected parity as text to be saved in settings

    QString currentParityText();

    /// Returns currently selected flow control as text to be saved in settings

    QString currentFlowControlText();

    void loadPortList();

    void loadBaudRateList();

    void togglePort();

    void selectPort(QString portName);

    void selectBaudRate(QString baudRate);

    void selectParity(int parity); // parity must be one of QSerialPort::Parity

    void selectDataBits(int dataBits); // bits must be one of QSerialPort::DataBits

    void selectStopBits(int stopBits); // stopBits must be one of QSerialPort::StopBits

    void selectFlowControl(int flowControl); // flowControl must be one of QSerialPort::FlowControl

    void openActionTriggered(bool checked);

    void onCbPortListActivated(int index);

    void onTbPortListActivated(int index);

    void onPortError(QSerialPort::SerialPortError error);

    void updatePinLeds(void);

signals:

    void portToggled(bool open);

};

#endif // PORTCONTROL_H