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#include "MainWindow.h"

MainWindow::MainWindow(QWidget *parent) :

    QMainWindow(parent)

{

    // Set central widget

    centralWidget = new QWidget();

    setCentralWidget(centralWidget);

    // Serial connection UI

    groupSerialInit = new QGroupBox("Initialization");

    btnSerialConnect = new QPushButton("&Connect");

    btnSerialRefresh = new QPushButton("&Refresh");

    labelSerialPort = new QLabel("Serial Port:");

    labelSerialSpeed = new QLabel("Baud Rate:");

    labelSerialDataBits = new QLabel("Data:");

    labelSerialStopBits = new QLabel("Stop:");

    labelSerialParity = new QLabel("Parity Bit:");

    labelSerialFlowControl = new QLabel("Flow Control:");

    cboxSerialPort = new QComboBox();

    cboxSerialPort->setMinimumWidth(80);

    cboxSerialSpeed = new QComboBox();

    cboxSerialSpeed->setEditable(true);

    cboxSerialSpeed->setValidator(new QIntValidator(0, 100000000, this));

    cboxSerialDataBits = new QComboBox();

    cboxSerialDataBits->setMaximumWidth(60);

    cboxSerialStopBits = new QComboBox();

    cboxSerialStopBits->setMaximumWidth(60);

    cboxSerialParity = new QComboBox();

    cboxSerialFlowControl = new QComboBox();

    cboxSerialFlowControl->setMinimumWidth(70);

    QGridLayout *serialSettingsLayout = new QGridLayout();

    serialSettingsLayout->addWidget(btnSerialConnect, 0, 0);

    serialSettingsLayout->addWidget(labelSerialPort, 0, 1);

    serialSettingsLayout->addWidget(cboxSerialPort, 0, 2);

    serialSettingsLayout->addWidget(labelSerialDataBits, 0, 3);

    serialSettingsLayout->addWidget(cboxSerialDataBits, 0, 4);

    serialSettingsLayout->addWidget(labelSerialParity, 0, 5);

    serialSettingsLayout->addWidget(cboxSerialParity, 0, 6);

    serialSettingsLayout->addWidget(btnSerialRefresh, 1, 0);

    serialSettingsLayout->addWidget(labelSerialSpeed, 1, 1);

    serialSettingsLayout->addWidget(cboxSerialSpeed, 1, 2);

    serialSettingsLayout->addWidget(labelSerialStopBits, 1, 3);

    serialSettingsLayout->addWidget(cboxSerialStopBits, 1, 4);

    serialSettingsLayout->addWidget(labelSerialFlowControl, 1, 5);

    serialSettingsLayout->addWidget(cboxSerialFlowControl, 1, 6);

    groupSerialInit->setLayout(serialSettingsLayout);

    groupSerialInit->setFixedSize(groupSerialInit->sizeHint());

    // Serial data UI

    groupSerialData = new QGroupBox("Data");

    textSerialData = new QTextEdit();

    textSerialData->setCurrentFont(QFont("Consolas", 8));

    textSerialData->append("Waiting for serial connection...");

    textSerialData->setMinimumHeight(100);

    textSerialData->setReadOnly(true);

    textSerialTransmit = new QLineEdit();

    textSerialTransmit->setFont(QFont("Consolas", 8));

    btnSerialTransmit = new QPushButton("&Send");

    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);

    groupSerialData->setLayout(serialDataLayout);

    // Macro controller

    groupMacro = new QGroupBox("Other");

    btnMacro = new QPushButton("&Macros");

    QHBoxLayout *macroLayout = new QHBoxLayout();

    macroLayout->addWidget(btnMacro);

    groupMacro->setLayout(macroLayout);

//    groupMacro->setFixedSize(groupMacro->sizeHint());

    // Main layout

    QGridLayout *mainLayout = new QGridLayout();

    mainLayout->addWidget(groupSerialInit, 0, 0, 1, 1, Qt::AlignLeft);

    mainLayout->addWidget(groupMacro, 0, 1, 1, 1, Qt::AlignLeft);

    mainLayout->addWidget(groupSerialData, 1, 0, 1, 2);

    mainLayout->setColumnStretch(0, 0);

    mainLayout->setColumnStretch(1, 1);

    centralWidget->setLayout(mainLayout);

    // Initialize thread for connection to serial port

    serialThread = new QThread();

    serialController = new SerialController();

    serialController->moveToThread(serialThread);

    connect(this, SIGNAL(Serial_QueryParameters()), serialController, SLOT(Serial_QueryParameters()));

    connect(this, SIGNAL(Serial_Connect(QString,QString,QString,QString,QString,QString)),

            serialController, SLOT(Serial_Connect(QString,QString,QString,QString,QString,QString)));

    connect(this, SIGNAL(Serial_Disconnect()), serialController, SLOT(Serial_Disconnect()));

    connect(this, SIGNAL(Serial_TransmitString(QString)), serialController, SLOT(Serial_TransmitString(QString)));

    connect(serialController, SIGNAL(Serial_UpdateParameters(QStringList,QStringList,QStringList,QStringList,QStringList,QStringList)),

            this, SLOT(Serial_UpdateParameters(QStringList,QStringList,QStringList,QStringList,QStringList,QStringList)));

    connect(serialController, SIGNAL(Serial_ReceivedString(QString)), this, SLOT(Serial_ReceivedString(QString)));

    connect(serialController, SIGNAL(Serial_Connected()), this, SLOT(Serial_Connected()));

    connect(serialController, SIGNAL(Serial_Disconnected()), this, SLOT(Serial_Disconnected()));

    connect(serialThread, SIGNAL(finished()), serialController, SLOT(deleteLater()));

    serialThread->start();

    // Initialize macro widget

    macroDockWidget = new QDockWidget("Macro Controller", this);

    macroController = new MacroController(macroDockWidget);

    macroDockWidget->setWidget(macroController);

    macroDockWidget->setAllowedAreas(Qt::LeftDockWidgetArea | Qt::RightDockWidgetArea);

    macroDockWidget->hide();

    addDockWidget(Qt::RightDockWidgetArea, macroDockWidget);

    connect(macroController, SIGNAL(Macro_TransmitText(QString)), this, SLOT(Serial_PrepareTransmit(QString)));

    connect(serialController, SIGNAL(Serial_Connected()), macroController, SLOT(Macro_EnableTransmit()));

    connect(serialController, SIGNAL(Serial_Disconnected()), macroController, SLOT(Macro_DisableTransmit()));

    // Connect local widgets

    connect(btnSerialConnect, SIGNAL(clicked()), this, SLOT(Serial_ConnectToggleBtn()));

    connect(btnSerialRefresh, SIGNAL(clicked()), this, SIGNAL(Serial_QueryParameters()));

    connect(btnSerialTransmit, SIGNAL(clicked()), this, SLOT(Serial_PrepareTransmit()));

    connect(textSerialTransmit, SIGNAL(returnPressed()), btnSerialTransmit, SIGNAL(clicked()));

    connect(btnSerialClear, SIGNAL(clicked()), this, SLOT(Serial_ClearBtn()));

    connect(btnMacro, SIGNAL(clicked()), macroDockWidget->toggleViewAction(), SLOT(trigger()));

    emit Serial_QueryParameters();

    Serial_Disconnected();

    setWindowTitle("Marlin Controller");

    setWindowIcon(QIcon(":/External/Resources/Icon_16.bmp"));

}

MainWindow::~MainWindow()

{

    serialThread->quit();

}

void MainWindow::Serial_ConnectToggleBtn()

{

    if (serialController->connected) {

        emit Serial_Disconnect();

    } else {

        if (cboxSerialPort->currentText() != "" && cboxSerialSpeed->currentText() != "") {

            emit Serial_Connect(cboxSerialPort->currentText(), cboxSerialSpeed->currentText(), cboxSerialDataBits->currentText(),

                                cboxSerialStopBits->currentText(), cboxSerialParity->currentText(), cboxSerialFlowControl->currentText());

        }

    }

}

void MainWindow::Serial_PrepareTransmit(QString string)

{

    if (string == "") {

        string = textSerialTransmit->text();

        textSerialTransmit->setText("");

    }

    emit Serial_TransmitString(string);

    textSerialData->setTextColor(Qt::darkBlue);

    QStringList cmds = string.split('\n');

    for (int i = 0; i < cmds.size(); i++) {

        textSerialData->append("TX:  " + cmds[i]);

    }

}

void MainWindow::Serial_ClearBtn()

{

    textSerialData->clear();

}

void MainWindow::Serial_UpdateParameters(QStringList ports, QStringList speeds, QStringList dataBits,

                                     QStringList stopBits, QStringList parity, QStringList flowControl)

{

    QString currPort = cboxSerialPort->currentText();

    cboxSerialPort->clear();

    cboxSerialPort->addItems(ports);

    if (currPort != "" && ports.contains(currPort))

        cboxSerialPort->setCurrentText(currPort);

    QString currSpeed = cboxSerialSpeed->currentText();

    cboxSerialSpeed->clear();

    cboxSerialSpeed->addItems(speeds);

    if (currSpeed != "") cboxSerialSpeed->setCurrentText(currSpeed);

    int currData = cboxSerialDataBits->currentIndex();

    cboxSerialDataBits->clear();

    cboxSerialDataBits->addItems(dataBits);

    if (currData >= 0) cboxSerialDataBits->setCurrentIndex(currData);

    int currStop = cboxSerialStopBits->currentIndex();

    cboxSerialStopBits->clear();

    cboxSerialStopBits->addItems(stopBits);

    if (currStop >= 0) cboxSerialStopBits->setCurrentIndex(currStop);

    int currParity = cboxSerialParity->currentIndex();

    cboxSerialParity->clear();

    cboxSerialParity->addItems(parity);

    if (currParity >= 0) cboxSerialParity->setCurrentIndex(currParity);

    int currFlow = cboxSerialFlowControl->currentIndex();

    cboxSerialFlowControl->clear();

    cboxSerialFlowControl->addItems(flowControl);

    if (currFlow >= 0) cboxSerialFlowControl->setCurrentIndex(currFlow);

}

void MainWindow::Serial_ReceivedString(QString string)

{

    textSerialData->setTextColor(Qt::darkRed);

    textSerialData->append("RX:  " + string);

}

void MainWindow::Serial_Connected()

{

    btnSerialConnect->setText("&Disconnect");

    cboxSerialPort->setEnabled(false);

    cboxSerialSpeed->setEnabled(false);

    btnSerialRefresh->setEnabled(false);

    textSerialTransmit->setEnabled(true);

    btnSerialTransmit->setEnabled(true);

}

void MainWindow::Serial_Disconnected()

{

    btnSerialConnect->setText("&Connect");

    cboxSerialPort->setEnabled(true);

    cboxSerialSpeed->setEnabled(true);

    btnSerialRefresh->setEnabled(true);

    textSerialTransmit->setEnabled(false);

    btnSerialTransmit->setEnabled(false);

}