QColorWidget.cpp

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#include "QColorWidget.h"
 
#include <QGridLayout>
#include <QPainter>
#include <QColorDialog>
 
//RenderCore
#include "Color.h"
 
namespace dyno
{
    IMPL_FIELD_WIDGET(Color, QColorWidget)
 
    QColorButton::QColorButton(QWidget* pParent) :
        QPushButton(pParent),
        mMargin(5),
        mRadius(4),
        mColor(Qt::gray)
    {
        setText("");
    }
 
    void QColorButton::paintEvent(QPaintEvent* event)
    {
        setText("");
 
        QPushButton::paintEvent(event);
 
        QPainter Painter(this);
 
        // Get button rectangle
        QRect rect = event->rect();
 
        // Deflate it
        rect.adjust(mMargin, mMargin, -mMargin, -mMargin);
 
        // Use anti aliasing
        Painter.setRenderHint(QPainter::Antialiasing);
 
        // Rectangle styling
        Painter.setBrush(QBrush(isEnabled() ? mColor : Qt::lightGray));
        Painter.setPen(QPen(isEnabled() ? QColor(25, 25, 25) : Qt::darkGray, 0.5));
 
        // Draw
        Painter.drawRoundedRect(rect, mRadius, Qt::AbsoluteSize);
    }
 
    void QColorButton::mousePressEvent(QMouseEvent* event)
    {
        QColorDialog colorDialog;
 
        connect(&colorDialog, SIGNAL(currentColorChanged(const QColor&)), this, SLOT(onColorChanged(const QColor&)));
 
        //ColorDialog.setWindowIcon(GetIcon("color--pencil"));
        colorDialog.setCurrentColor(mColor);
        colorDialog.adjustSize();
        colorDialog.exec();
 
        disconnect(&colorDialog, SIGNAL(currentColorChanged(const QColor&)), this, SLOT(onColorChanged(const QColor&)));
    }
 
    int QColorButton::getMargin(void) const
    {
        return mMargin;
    }
 
    void QColorButton::setMargin(const int& Margin)
    {
        mMargin = mMargin;
        update();
    }
 
    int QColorButton::getRadius(void) const
    {
        return mRadius;
    }
 
    void QColorButton::setRadius(const int& Radius)
    {
        mRadius = mRadius;
        update();
    }
 
    QColor QColorButton::getColor(void) const
    {
        return mColor;
    }
 
    void QColorButton::setColor(const QColor& Color, bool BlockSignals)
    {
        blockSignals(BlockSignals);
 
        mColor = Color;
        update();
 
        blockSignals(false);
    }
 
    void QColorButton::onColorChanged(const QColor& Color)
    {
        setColor(Color);
 
        emit colorChanged(mColor);
    }
 
    QColorWidget::QColorWidget(FBase* field)
        : QFieldWidget(field)
    {
        QGridLayout* layout = new QGridLayout;
        layout->setContentsMargins(0, 0, 0, 0);
        layout->setHorizontalSpacing(3);
 
        this->setLayout(layout);
 
        QLabel* name = new QLabel();
        QString str = FormatFieldWidgetName(field->getObjectName());
        name->setFixedSize(100, 18);
        QFontMetrics fontMetrics(name->font());
        QString elide = fontMetrics.elidedText(str, Qt::ElideRight, 100);
        name->setText(elide);
        //Set label tips
        name->setToolTip(str);
 
        spinner1 = new QSpinBox;
        spinner1->setMinimumWidth(30);
        spinner1->setRange(0, 255);
 
        spinner2 = new QSpinBox;
        spinner2->setMinimumWidth(30);
        spinner2->setRange(0, 255);
 
        spinner3 = new QSpinBox;
        spinner3->setMinimumWidth(30);
        spinner3->setRange(0, 255);
 
        layout->addWidget(name, 0, 0);
        layout->addWidget(spinner1, 0, 1);
        layout->addWidget(spinner2, 0, 2);
        layout->addWidget(spinner3, 0, 3);
 
        colorButton = new QColorButton;
        colorButton->setFixedSize(30, 30);
 
        layout->addWidget(colorButton, 0, 4);
 
        std::string template_name = field->getTemplateName();
        int R = 0;
        int G = 0;
        int B = 0;
 
        if (template_name == std::string(typeid(Color).name()))
        {
            FVar<Color>* f = TypeInfo::cast<FVar<Color>>(field);
            auto v = f->getValue();
 
            int r = int(v.r * 255) % 255;
            int g = int(v.g * 255) % 255;
            int b = int(v.b * 255) % 255;
 
            spinner1->setValue(r);
            spinner2->setValue(g);
            spinner3->setValue(b);
 
            colorButton->setColor(QColor(r, g, b), true);
        }
 
        QObject::connect(spinner1, SIGNAL(valueChanged(int)), this, SLOT(updateField(int)));
        QObject::connect(spinner2, SIGNAL(valueChanged(int)), this, SLOT(updateField(int)));
        QObject::connect(spinner3, SIGNAL(valueChanged(int)), this, SLOT(updateField(int)));
 
        QObject::connect(colorButton, SIGNAL(colorChanged(const QColor&)), this, SLOT(updateColorWidget(const QColor&)));
    }
 
    QColorWidget::~QColorWidget()
    {
    }
 
    void QColorWidget::updateField(int)
    {
        int v1 = spinner1->value();
        int v2 = spinner2->value();
        int v3 = spinner3->value();
 
        std::string template_name = field()->getTemplateName();
 
        if (template_name == std::string(typeid(Color).name()))
        {
            FVar<Color>* f = TypeInfo::cast<FVar<Color>>(field());
 
            float r = float(v1) / 255;
            float g = float(v2) / 255;
            float b = float(v3) / 255;
 
            f->setValue(Color(r, g, b));
        }
 
        colorButton->setColor(QColor(v1, v2, v3), true);
    }
 
    void QColorWidget::updateColorWidget(const QColor& color)
    {
        spinner1->blockSignals(true);
        spinner2->blockSignals(true);
        spinner3->blockSignals(true);
 
        spinner1->setValue(color.red());
        spinner2->setValue(color.green());
        spinner3->setValue(color.blue());
 
        spinner1->blockSignals(false);
        spinner2->blockSignals(false);
        spinner3->blockSignals(false);
 
        updateField(0);
    }
}