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#include "PasteController.h"

PasteController::PasteController(QWidget *parent) : QWidget(parent)

{

    connected = false;

    hotkeysEnabled = false;

    xPos = yPos = zPos = 0.0;

    X_Incr = X_Decr = Y_Incr = Y_Decr = Z_Incr = Z_Decr = E_Incr = false;

    tmrUpdate = new QTimer(this);

    connect(tmrUpdate, SIGNAL(timeout()), this, SLOT(UpdatePosition()));

    QString helpString = "";

    helpString.append("XY Control: Arrow Keys or H/J/K/L\n");

    helpString.append("Z Control: PgUp/PgDown\n");

    helpString.append("Extruder Control: Space");

    labelHelp = new QLabel(helpString);

    QVBoxLayout *helpLayout = new QVBoxLayout();

    helpLayout->addWidget(labelHelp);

    QGroupBox *helpBox = new QGroupBox("Hotkeys:");

    helpBox->setLayout(helpLayout);

    btnEnableHotkeys = new QPushButton("&Enable Hotkeys");

    connect(btnEnableHotkeys, SIGNAL(clicked()), this, SLOT(ToggleHotkeys()));

    btnInit = new QPushButton("&Initialize Printer");

    btnHome = new QPushButton("&Home Printhead");

    connect(btnHome, SIGNAL(clicked()), this, SLOT(ResetPosition()));

    QVBoxLayout *miscBtnLayout = new QVBoxLayout();

    miscBtnLayout->addWidget(btnEnableHotkeys);

    miscBtnLayout->addWidget(btnInit);

    miscBtnLayout->addWidget(btnHome);

    QGroupBox *miscBtnBox = new QGroupBox("Preset Commands");

    miscBtnBox->setLayout(miscBtnLayout);

    miscBtnBox->setSizePolicy(QSizePolicy::Minimum, QSizePolicy::Maximum);

    // Icons from http://ikons.piotrkwiatkowski.co.uk/index.html

    QIcon iconUp(":/External/Resources/arrow_up.png");

    QIcon iconDown(":/External/Resources/arrow_down.png");

    QIcon iconLeft(":/External/Resources/arrow_left.png");

    QIcon iconRight(":/External/Resources/arrow_right.png");

    QIcon iconAdd(":/External/Resources/upload.png");

    QIcon iconRemove(":/External/Resources/download.png");

    QIcon iconDelete(":/External/Resources/close.png");

    btnForward = new QToolButton();

    btnForward->setIcon(iconUp);

    btnForward->setIconSize(QSize(BTN_ICON_SIZE,BTN_ICON_SIZE));

    btnForward->setAutoRaise(true);

    connect(btnForward, SIGNAL(clicked()), this, SLOT(UpdatePositionSingle()));

    btnBackward = new QToolButton();

    btnBackward->setIcon(iconDown);

    btnBackward->setIconSize(QSize(BTN_ICON_SIZE,BTN_ICON_SIZE));

    btnBackward->setAutoRaise(true);

    connect(btnBackward, SIGNAL(clicked()), this, SLOT(UpdatePositionSingle()));

    btnLeft = new QToolButton();

    btnLeft->setIcon(iconLeft);

    btnLeft->setIconSize(QSize(BTN_ICON_SIZE,BTN_ICON_SIZE));

    btnLeft->setAutoRaise(true);

    connect(btnLeft, SIGNAL(clicked()), this, SLOT(UpdatePositionSingle()));

    btnRight = new QToolButton();

    btnRight->setIcon(iconRight);

    btnRight->setIconSize(QSize(BTN_ICON_SIZE,BTN_ICON_SIZE));

    btnRight->setAutoRaise(true);

    connect(btnRight, SIGNAL(clicked()), this, SLOT(UpdatePositionSingle()));

    btnUp = new QToolButton();

    btnUp->setIcon(iconAdd);

    btnUp->setIconSize(QSize(BTN_ICON_SIZE,BTN_ICON_SIZE));

    btnUp->setAutoRaise(true);

    connect(btnUp, SIGNAL(clicked()), this, SLOT(UpdatePositionSingle()));

    btnDown = new QToolButton();

    btnDown->setIcon(iconRemove);

    btnDown->setIconSize(QSize(BTN_ICON_SIZE,BTN_ICON_SIZE));

    btnDown->setAutoRaise(true);

    connect(btnDown, SIGNAL(clicked()), this, SLOT(UpdatePositionSingle()));

    btnExtrude = new QToolButton();

    btnExtrude->setIcon(iconDelete);

    btnExtrude->setIconSize(QSize(BTN_ICON_SIZE,BTN_ICON_SIZE));

    btnExtrude->setAutoRaise(true);

    QGridLayout *btnXYELayout = new QGridLayout();

    btnXYELayout->addWidget(btnForward, 0, 1, 1, 1);

    btnXYELayout->addWidget(btnLeft, 1, 0, 1, 1);

    btnXYELayout->addWidget(btnExtrude, 1, 1, 1, 1);

    btnXYELayout->addWidget(btnRight, 1, 2, 1, 1);

    btnXYELayout->addWidget(btnBackward, 2, 1, 1, 1);

    QVBoxLayout *btnZLayout = new QVBoxLayout();

    btnZLayout->addWidget(btnUp);

    btnZLayout->addWidget(btnDown);

    QHBoxLayout *btnNavLayout = new QHBoxLayout();

    btnNavLayout->addLayout(btnXYELayout);

    btnNavLayout->addLayout(btnZLayout);

    QGroupBox *controlBox = new QGroupBox("Manual Printer Control");

    controlBox->setLayout(btnNavLayout);

    controlBox->setSizePolicy(QSizePolicy::Maximum, QSizePolicy::Maximum);

    labelXPos = new QLabel("X :");

    labelXPos->setFont(QFont("", 14, QFont::Normal));

    labelYPos = new QLabel("Y :");

    labelYPos->setFont(QFont("", 14, QFont::Normal));

    labelZPos = new QLabel("Z :");

    labelZPos->setFont(QFont("", 14, QFont::Normal));

    textXValue = new QLineEdit();

    textXValue->setReadOnly(true);

    textXValue->setMaximumWidth(60);

    textXValue->setFont(QFont("", 10, QFont::Bold));

    textXValue->setAlignment(Qt::AlignCenter);

    textYValue = new QLineEdit();

    textYValue->setReadOnly(true);

    textYValue->setMaximumWidth(60);

    textYValue->setFont(QFont("", 10, QFont::Bold));

    textYValue->setAlignment(Qt::AlignCenter);

    textZValue = new QLineEdit();

    textZValue->setReadOnly(true);

    textZValue->setMaximumWidth(60);

    textZValue->setFont(QFont("", 10, QFont::Bold));

    textZValue->setAlignment(Qt::AlignCenter);

    UpdatePosition();

    QHBoxLayout *posValueLayout = new QHBoxLayout();

    posValueLayout->addWidget(labelXPos);

    posValueLayout->addWidget(textXValue);

    posValueLayout->addWidget(labelYPos);

    posValueLayout->addWidget(textYValue);

    posValueLayout->addWidget(labelZPos);

    posValueLayout->addWidget(textZValue);

    QGroupBox *toolheadPosBox = new QGroupBox("Toolhead Position");

    toolheadPosBox->setLayout(posValueLayout);

    toolheadPosBox->setSizePolicy(QSizePolicy::Maximum, QSizePolicy::Maximum);

    labelXYSteps = new QLabel("XY Axis Step (mm):");

    sliderXYSteps = new QSlider(Qt::Horizontal);

    textXYSteps = new QDoubleSpinBox();

    textXYSteps->setMinimumWidth(60);

    labelXYSpeed = new QLabel("XY Axis Speed (mm/s):");

    sliderXYSpeed = new QSlider(Qt::Horizontal);

    textXYSpeed = new QSpinBox();

    textXYSpeed->setMinimumWidth(60);

    labelZSteps = new QLabel("Z Axis Step (mm):");

    sliderZSteps = new QSlider(Qt::Horizontal);

    textZSteps = new QDoubleSpinBox();

    textZSteps->setMinimumWidth(60);

    labelZSpeed = new QLabel("Z Axis Speed (mm/s):");

    sliderZSpeed = new QSlider(Qt::Horizontal);

    textZSpeed = new QSpinBox();

    textZSpeed->setMinimumWidth(60);

    labelRepeatDelay = new QLabel("Repeat Delay (ms):");

    sliderRepeatDelay = new QSlider(Qt::Horizontal);

    textRepeatDelay = new QSpinBox();

    textRepeatDelay->setMinimumWidth(60);

    labelEForwardSteps = new QLabel("Extrude Step (mm):");

    sliderEForwardSteps = new QSlider(Qt::Horizontal);

    textEForwardSteps = new QSpinBox();

    textEForwardSteps->setMinimumWidth(60);

    labelEForwardSpeed = new QLabel("Extrude Speed (mm/s):");

    sliderEForwardSpeed = new QSlider(Qt::Horizontal);

    textEForwardSpeed = new QSpinBox();

    textEForwardSpeed->setMinimumWidth(60);

    labelEBackwardSteps = new QLabel("Retract Step (mm):");

    sliderEBackwardSteps = new QSlider(Qt::Horizontal);

    textEBackwardSteps = new QSpinBox();

    textEBackwardSteps->setMinimumWidth(60);

    labelEBackwardSpeed = new QLabel("Retract Speed: (mm/s)");

    sliderEBackwardSpeed = new QSlider(Qt::Horizontal);

    textEBackwardSpeed = new QSpinBox();

    textEBackwardSpeed->setMinimumWidth(60);

    labelEZSteps = new QLabel("Z Axis Step (mm):");

    sliderEZSteps = new QSlider(Qt::Horizontal);

    textEZSteps = new QDoubleSpinBox();

    textEZSteps->setMinimumWidth(60);

    connect(sliderXYSteps, SIGNAL(valueChanged(int)), this, SLOT(QSliderToQDoubleSpinBox(int)));

    connect(textXYSteps, SIGNAL(valueChanged(double)), this, SLOT(QDoubleSpinBoxToQSlider(double)));

    sliderXYSteps->setRange(0, 5000);

    textXYSteps->setRange(0,50);

    textXYSteps->setSingleStep(0.1);

    textXYSteps->setValue(10);

    connect(sliderXYSpeed, SIGNAL(valueChanged(int)), textXYSpeed, SLOT(setValue(int)));

    connect(textXYSpeed, SIGNAL(valueChanged(int)), sliderXYSpeed, SLOT(setValue(int)));

    sliderXYSpeed->setRange(1, 10000);

    textXYSpeed->setRange(1, 10000);

    textXYSpeed->setValue(4000);

    connect(sliderZSteps, SIGNAL(valueChanged(int)), this, SLOT(QSliderToQDoubleSpinBox(int)));

    connect(textZSteps, SIGNAL(valueChanged(double)), this, SLOT(QDoubleSpinBoxToQSlider(double)));

    sliderZSteps->setRange(0, 5000);

    textZSteps->setRange(0, 50);

    textZSteps->setSingleStep(0.1);

    textZSteps->setValue(10);

    connect(sliderZSpeed, SIGNAL(valueChanged(int)), textZSpeed, SLOT(setValue(int)));

    connect(textZSpeed, SIGNAL(valueChanged(int)), sliderZSpeed, SLOT(setValue(int)));

    sliderZSpeed->setRange(1, 10000);

    textZSpeed->setRange(1, 10000);

    textZSpeed->setValue(1000);

    connect(sliderRepeatDelay, SIGNAL(valueChanged(int)), textRepeatDelay, SLOT(setValue(int)));

    connect(textRepeatDelay, SIGNAL(valueChanged(int)), sliderRepeatDelay, SLOT(setValue(int)));

    connect(textRepeatDelay, SIGNAL(valueChanged(int)), this, SLOT(UpdateTimer(int)));

    sliderRepeatDelay->setRange(20, 500);

    textRepeatDelay->setRange(20, 500);

    textRepeatDelay->setValue(100);

    QGridLayout *xyRepeatLayout = new QGridLayout();

    xyRepeatLayout->addWidget(labelXYSteps, 0, 0);

    xyRepeatLayout->addWidget(sliderXYSteps, 0, 1);

    xyRepeatLayout->addWidget(textXYSteps, 0, 2);

    xyRepeatLayout->addWidget(labelXYSpeed, 1, 0);

    xyRepeatLayout->addWidget(sliderXYSpeed, 1, 1);

    xyRepeatLayout->addWidget(textXYSpeed, 1, 2);

    xyRepeatLayout->addWidget(labelZSteps, 2, 0);

    xyRepeatLayout->addWidget(sliderZSteps, 2, 1);

    xyRepeatLayout->addWidget(textZSteps, 2, 2);

    xyRepeatLayout->addWidget(labelZSpeed, 3, 0);

    xyRepeatLayout->addWidget(sliderZSpeed, 3, 1);

    xyRepeatLayout->addWidget(textZSpeed, 3, 2);

    xyRepeatLayout->addWidget(labelRepeatDelay, 4, 0);

    xyRepeatLayout->addWidget(sliderRepeatDelay, 4, 1);

    xyRepeatLayout->addWidget(textRepeatDelay, 4, 2);

    QGroupBox *xyRepeatBox = new QGroupBox("Movement Settings");

    xyRepeatBox->setLayout(xyRepeatLayout);

    connect(sliderEForwardSteps, SIGNAL(valueChanged(int)), textEForwardSteps, SLOT(setValue(int)));

    connect(textEForwardSteps, SIGNAL(valueChanged(int)), sliderEForwardSteps, SLOT(setValue(int)));

    sliderEForwardSteps->setRange(1, 10000);

    textEForwardSteps->setRange(1, 10000);

    textEForwardSteps->setValue(4000);

    connect(sliderEForwardSpeed, SIGNAL(valueChanged(int)), textEForwardSpeed, SLOT(setValue(int)));

    connect(textEForwardSpeed, SIGNAL(valueChanged(int)), sliderEForwardSpeed, SLOT(setValue(int)));

    sliderEForwardSpeed->setRange(1, 10000);

    textEForwardSpeed->setRange(1, 10000);

    textEForwardSpeed->setValue(1000);

    connect(sliderEBackwardSteps, SIGNAL(valueChanged(int)), textEBackwardSteps, SLOT(setValue(int)));

    connect(textEBackwardSteps, SIGNAL(valueChanged(int)), sliderEBackwardSteps, SLOT(setValue(int)));

    sliderEBackwardSteps->setRange(1, 10000);

    textEBackwardSteps->setRange(1, 10000);

    textEBackwardSteps->setValue(2000);

    connect(sliderEBackwardSpeed, SIGNAL(valueChanged(int)), textEBackwardSpeed, SLOT(setValue(int)));

    connect(textEBackwardSpeed, SIGNAL(valueChanged(int)), sliderEBackwardSpeed, SLOT(setValue(int)));

    sliderEBackwardSpeed->setRange(1, 10000);

    textEBackwardSpeed->setRange(1, 10000);

    textEBackwardSpeed->setValue(2000);

    connect(sliderEZSteps, SIGNAL(valueChanged(int)), this, SLOT(QSliderToQDoubleSpinBox(int)));

    connect(textEZSteps, SIGNAL(valueChanged(double)), this, SLOT(QDoubleSpinBoxToQSlider(double)));

    sliderEZSteps->setRange(0, 1000);

    textEZSteps->setRange(0, 10);

    textEZSteps->setSingleStep(0.1);

    textEZSteps->setValue(2);

    QGridLayout *extruderLayout = new QGridLayout();

    extruderLayout->addWidget(labelEForwardSteps, 0, 0);

    extruderLayout->addWidget(sliderEForwardSteps, 0, 1);

    extruderLayout->addWidget(textEForwardSteps, 0, 2);

    extruderLayout->addWidget(labelEForwardSpeed, 1, 0);

    extruderLayout->addWidget(sliderEForwardSpeed, 1, 1);

    extruderLayout->addWidget(textEForwardSpeed, 1, 2);

    extruderLayout->addWidget(labelEBackwardSteps, 2, 0);

    extruderLayout->addWidget(sliderEBackwardSteps, 2, 1);

    extruderLayout->addWidget(textEBackwardSteps, 2, 2);

    extruderLayout->addWidget(labelEBackwardSpeed, 4, 0);

    extruderLayout->addWidget(sliderEBackwardSpeed, 4, 1);

    extruderLayout->addWidget(textEBackwardSpeed, 4, 2);

    extruderLayout->addWidget(labelEZSteps, 5, 0);

    extruderLayout->addWidget(sliderEZSteps, 5, 1);

    extruderLayout->addWidget(textEZSteps, 5, 2);

    QGroupBox *extruderBox = new QGroupBox("Extruder Settings");

    extruderBox->setLayout(extruderLayout);

    QVBoxLayout *column1Layout = new QVBoxLayout();

    column1Layout->addWidget(controlBox, 0, Qt::AlignTop);

    column1Layout->addWidget(miscBtnBox, 0, Qt::AlignTop);

    column1Layout->addWidget(helpBox, 1, Qt::AlignTop);

    QVBoxLayout *column2Layout = new QVBoxLayout();

    column2Layout->addWidget(toolheadPosBox);

    column2Layout->addWidget(xyRepeatBox);

    column2Layout->addWidget(extruderBox);

    QHBoxLayout *mainLayout = new QHBoxLayout();

    mainLayout->addLayout(column1Layout);

    mainLayout->addLayout(column2Layout);

    setLayout(mainLayout);

    setFixedSize(sizeHint());

}

PasteController::~PasteController()

{

}

void PasteController::EnableTransmit(bool en) {

    connected = en;

}

void PasteController::ToggleHotkeys() {

    if (hotkeysEnabled) {

        qApp->removeEventFilter(this);

        btnEnableHotkeys->setText("&Enable Hotkeys");

    } else {

        qApp->installEventFilter(this);

        btnEnableHotkeys->setText("&Disable Hotkeys");

    }

    hotkeysEnabled = !hotkeysEnabled;

}

void PasteController::UpdatePosition() {

    if (X_Incr && !X_Decr) xPos += textXYSteps->value();

    if (!X_Incr && X_Decr) xPos -= textXYSteps->value();

    if (Y_Incr && !Y_Decr) yPos += textXYSteps->value();

    if (!Y_Incr && Y_Decr) yPos -= textXYSteps->value();

    if (Z_Incr && !Z_Decr) zPos += textZSteps->value();

    if (!Z_Incr && Z_Decr) zPos -= textZSteps->value();

    textXValue->setText(QString::number(xPos, 'f', 2));

    textYValue->setText(QString::number(yPos, 'f', 2));

    textZValue->setText(QString::number(zPos, 'f', 2));

}

void PasteController::UpdatePositionSingle() {

    if (QObject::sender() == btnRight) xPos += textXYSteps->value();

    if (QObject::sender() == btnLeft) xPos -= textXYSteps->value();

    if (QObject::sender() == btnForward) yPos += textXYSteps->value();

    if (QObject::sender() == btnBackward) yPos -= textXYSteps->value();

    if (QObject::sender() == btnUp) zPos += textZSteps->value();

    if (QObject::sender() == btnDown) zPos -= textZSteps->value();

    textXValue->setText(QString::number(xPos, 'f', 2));

    textYValue->setText(QString::number(yPos, 'f', 2));

    textZValue->setText(QString::number(zPos, 'f', 2));

}

void PasteController::UpdateTimer(int delay) {

    tmrUpdate->setInterval(delay);

}

void PasteController::QSliderToQDoubleSpinBox(int) {

    textXYSteps->setValue((double)sliderXYSteps->value()/100);

    textZSteps->setValue((double)sliderZSteps->value()/100);

    textEZSteps->setValue((double)sliderEZSteps->value()/100);

}

void PasteController::QDoubleSpinBoxToQSlider(double) {

    sliderXYSteps->setValue(textXYSteps->value()*100);

    sliderZSteps->setValue(textZSteps->value()*100);

    sliderEZSteps->setValue(textEZSteps->value()*100);

}

void PasteController::ResetPosition() {

    xPos = yPos = zPos = 0;

    UpdatePosition();

}

bool PasteController::eventFilter(QObject *obj, QEvent *event)

{

    // Only process keyboard press and release events

    if (event->type() == QEvent::KeyPress) {

        QKeyEvent *keyevent = static_cast<QKeyEvent*>(event);

//        QKeySequence seq = keyevent->modifiers() + keyevent->key();

        if (hotkeysEnabled) {

            if (keyevent->isAutoRepeat()) return true;

            bool keychange = false;

            if (keyevent->key() == Qt::Key_Left || keyevent->key() == Qt::Key_H) {

                btnLeft->setDown(true);

                X_Decr = keychange = true;

            }

            if (keyevent->key() == Qt::Key_Right || keyevent->key() == Qt::Key_L) {

                btnRight->setDown(true);

                X_Incr = keychange = true;

            }

            if (keyevent->key() == Qt::Key_Up || keyevent->key() == Qt::Key_K) {

                btnForward->setDown(true);

                Y_Incr = keychange = true;

            }

            if (keyevent->key() == Qt::Key_Down || keyevent->key() == Qt::Key_J) {

                btnBackward->setDown(true);

                Y_Decr = keychange = true;

            }

            if (keyevent->key() == Qt::Key_PageDown) {

                btnDown->setDown(true);

                Z_Decr = keychange = true;

            }

            if (keyevent->key() == Qt::Key_PageUp) {

                btnUp->setDown(true);

                Z_Incr = keychange = true;

            }

            if (keyevent->key() == Qt::Key_Space) {

                btnExtrude->setDown(true);

                E_Incr = keychange = true;

            }

            if (X_Incr || X_Decr || Y_Incr || Y_Decr || Z_Incr || Z_Decr || E_Incr) {

                UpdatePosition();

                tmrUpdate->start();

            }

            if (keychange) return true;

        }

    } else if (event->type() == QEvent::KeyRelease) {

        QKeyEvent *keyevent = static_cast<QKeyEvent*>(event);

//        QKeySequence seq = keyevent->modifiers() + keyevent->key();

        if (hotkeysEnabled) {

            if (keyevent->isAutoRepeat()) return true;

            bool keychange = false;

            if (keyevent->key() == Qt::Key_Left || keyevent->key() == Qt::Key_H) {

                btnLeft->setDown(false);

                X_Decr = keychange = false;

            }

            if (keyevent->key() == Qt::Key_Right || keyevent->key() == Qt::Key_L) {

                btnRight->setDown(false);

                X_Incr = keychange = false;

            }

            if (keyevent->key() == Qt::Key_Up || keyevent->key() == Qt::Key_K) {

                btnForward->setDown(false);

                Y_Incr = keychange = false;

            }

            if (keyevent->key() == Qt::Key_Down || keyevent->key() == Qt::Key_J) {

                btnBackward->setDown(false);

                Y_Decr = keychange = false;

            }

            if (keyevent->key() == Qt::Key_PageDown) {

                btnDown->setDown(false);

                Z_Decr = keychange = false;

            }

            if (keyevent->key() == Qt::Key_PageUp) {

                btnUp->setDown(false);

                Z_Incr = keychange = false;

            }

            if (keyevent->key() == Qt::Key_Space) {

                btnExtrude->setDown(false);

                E_Incr = keychange = false;

            }

            if (!X_Incr && !X_Decr && !Y_Incr && !Y_Decr && !Z_Incr && !Z_Decr && !E_Incr) {

                tmrUpdate->stop();

            }

            if (keychange) return true;

        }

    }

    return QWidget::eventFilter(obj, event);

}