#include "registerwidget.h"
#include <QPaintEvent>
#include <QPainter>

registerWidget::registerWidget(const QString &name, qint32 address, QWidget *parent) :
    QWidget(parent)
{
    p_address = address;
    p_value = 0;
    p_addressEl = new regWidgetElement(QString("0x%1").arg(p_address,8,16).replace(" ","0"),QFont("Utopia", 12),4,4);
    p_fieldsEl = new bitfieldsElement(QString("%1").arg(p_value,32,2).replace(" ","0"),QFont("Utopia", 12),4,4);
    p_nameEl = new regWidgetElement(name,QFont("Utopia", 12,QFont::Bold),4,4);
    p_xMargins = 4;
    p_yMargins = 4;
    updateBoundingRect();
}

registerWidget::~registerWidget()
{
    delete p_addressEl;
    delete p_fieldsEl;
    delete p_nameEl;
}

void registerWidget::paintEvent(QPaintEvent *event)
{
    Q_UNUSED(event)
    QPainter painter(this);
    painter.translate(p_addressEl->paint(&painter));
    painter.translate(p_fieldsEl->paint(&painter));
    p_nameEl->paint(&painter);
    setMinimumSize(p_boundingRect);
    updateGeometry();
}

void registerWidget::setValue(qint32 value)
{
    this->p_value = value;
    this->p_fieldsEl->setValue(QString("%1").arg(p_value,32,2).replace(" ","0"));
    this->repaint();
}

void registerWidget::updateBoundingRect()
{
    p_boundingRect.setHeight(p_fieldsEl->boundingRect().height()+(p_yMargins*2));
    p_boundingRect.setWidth(p_fieldsEl->boundingRect().width()+p_addressEl->boundingRect().width()+p_nameEl->boundingRect().width()+(p_xMargins*2));
}