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#include "registers.h"
#include <cmath>
using namespace coreview;
//////////////////////
#define WIDTH 680
#define HEIGHT 30
#define PENW 1
//////////////////////
Registers::Registers() : QGraphicsObject(nullptr) {
con_read1 = new Connector(-M_PI_2);
con_read1_reg = new Connector(-M_PI_2);
con_read2 = new Connector(-M_PI_2);
con_read2_reg = new Connector(-M_PI_2);
con_write = new Connector(-M_PI_2);
con_write_reg = new Connector(-M_PI_2);
con_ctl_write = new Connector(-M_PI_2);
// TODO do we want to have any hooks on real registers?
// TODO add labels for connections
name = new QGraphicsSimpleTextItem("Registers", this);
QRectF name_box = name->boundingRect();
name->setPos(WIDTH/2 - name_box.width()/2, HEIGHT/2 - name_box.height()/2);
setPos(x(), y()); // set connector's position
}
Registers::~Registers() {
delete con_read1;
delete con_read1_reg;
delete con_read2;
delete con_read2_reg;
delete con_write;
delete con_write_reg;
delete con_ctl_write;
}
QRectF Registers::boundingRect() const {
return QRectF(-PENW / 2, -PENW / 2, WIDTH + PENW, HEIGHT + PENW);
}
void Registers::paint(QPainter *painter, const QStyleOptionGraphicsItem *option __attribute((unused)), QWidget *widget __attribute((unused))) {
painter->drawRect(0, 0, WIDTH, HEIGHT);
// TODO anything else?
}
void Registers::setPos(qreal x, qreal y) {
QGraphicsObject::setPos(x, y);
con_read1_reg->setPos(x + 30, y + HEIGHT);
con_read2_reg->setPos(x + 40, y + HEIGHT);
con_read1->setPos(x + 60, y + HEIGHT);
con_read2->setPos(x + 70, y + HEIGHT);
con_write_reg->setPos(x + WIDTH - 40, y + HEIGHT);
con_write->setPos(x + WIDTH - 30, y + HEIGHT);
con_ctl_write->setPos(x + WIDTH - 20, y + HEIGHT);
}
const Connector *Registers::connector_read1() const {
return con_read1;
}
const Connector *Registers::connector_read1_reg() const {
return con_read1_reg;
}
const Connector *Registers::connector_read2() const {
return con_read2;
}
const Connector *Registers::connector_read2_reg() const {
return con_read2_reg;
}
const Connector *Registers::connector_write() const {
return con_write;
}
const Connector *Registers::connector_write_reg() const {
return con_write_reg;
}
const Connector *Registers::connector_ctl_write() const {
return con_ctl_write;
}
void Registers::mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event) {
QGraphicsObject::mouseDoubleClickEvent(event);
emit open_registers();
}
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