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#include "SerialIOWidget.h"

SerialIOWidget::SerialIOWidget(QWidget *parent) : QWidget(parent)
{
    // Serial data UI
    textSerialData = new QTextEdit();
    textSerialData->setCurrentFont(QFont("Consolas", 8));
    textSerialData->append("Waiting for serial connection...");
    textSerialData->setMinimumSize(400, 100);
    textSerialData->setReadOnly(true);
    textSerialTransmit = new QLineEdit();
    textSerialTransmit->setEnabled(false);
    textSerialTransmit->setFont(QFont("Consolas", 8));
    btnSerialTransmit = new QPushButton("&Send");
    btnSerialTransmit->setEnabled(false);
    btnSerialClear = new QPushButton("Clear");

    QHBoxLayout *serialTransmitLayout = new QHBoxLayout();
    serialTransmitLayout->addWidget(textSerialTransmit);
    serialTransmitLayout->addWidget(btnSerialTransmit);
    serialTransmitLayout->addWidget(btnSerialClear);
    QVBoxLayout *serialDataLayout = new QVBoxLayout();
    serialDataLayout->addWidget(textSerialData);
    serialDataLayout->addLayout(serialTransmitLayout);
    setLayout(serialDataLayout);

    connect(btnSerialTransmit, SIGNAL(clicked()), this, SLOT(Serial_PrepareTransmit()));
    connect(textSerialTransmit, SIGNAL(returnPressed()), btnSerialTransmit, SIGNAL(clicked()));
    connect(btnSerialClear, SIGNAL(clicked()), this, SLOT(Serial_ClearBtn()));

    Serial_DisableTransmit();
}

SerialIOWidget::~SerialIOWidget()
{

}

void SerialIOWidget::Serial_PrepareTransmit(QByteArray data)
{
    QString str;
    if (data.isEmpty()) {
        str = textSerialTransmit->text();
        textSerialTransmit->setText("");
    } else {
        str = QString(data);
    }

    emit Serial_TransmitByteArray(str.toUtf8());
    textSerialData->setTextColor(Qt::darkBlue);

    QStringList cmds = str.split('\n');
    for (int i = 0; i < cmds.size(); i++) {
        textSerialData->append("TX:  " + cmds[i]);
    }
}

void SerialIOWidget::Serial_ReceivedByte(char byte)
{
    textSerialData->setTextColor(Qt::darkRed);
    textSerialData->append("RX:  " + QString(byte));
}

void SerialIOWidget::Serial_ClearBtn()
{
    textSerialData->clear();
}

void SerialIOWidget::Serial_EnableTransmit()
{
    textSerialTransmit->setEnabled(true);
    btnSerialTransmit->setEnabled(true);
}

void SerialIOWidget::Serial_DisableTransmit()
{
    textSerialTransmit->setEnabled(false);
    btnSerialTransmit->setEnabled(false);
}