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#include "memory.h"
#include <cmath>
using namespace coreview;
//////////////////////
#define WIDTH 680
#define HEIGHT 30
#define PENW 1
//////////////////////
Memory::Memory(machine::QtMipsMachine *machine) : QGraphicsObject(nullptr) {
con_pc = new Connector(M_PI_2);
con_inst = new Connector(M_PI_2);
con_address = new Connector(M_PI_2);
con_data_in = new Connector(M_PI_2);
con_data_out = new Connector(M_PI_2);
con_req_write = new Connector(M_PI_2);
con_req_read = new Connector(M_PI_2);
// TODO cache?
name = new QGraphicsSimpleTextItem("Memory", this);
QRectF name_box = name->boundingRect();
name->setPos(WIDTH/2 - name_box.width()/2, HEIGHT/2 - name_box.height()/2);
// TODO add labels for connections
QFont font;
font.setPointSize(7);
// TODO better placement
name_program = new QGraphicsSimpleTextItem("Program", this);
name_box = name_program->boundingRect();
name_program->setPos(1, HEIGHT - 1 - name_box.height());
name_program->setFont(font);
name_data = new QGraphicsSimpleTextItem("Data", this);
name_box = name_data->boundingRect();
name_data->setPos(WIDTH - 1 - name_box.width(), HEIGHT - 1 - name_box.height());
name_data->setFont(font);
setPos(x(), y()); // set connector's position
}
Memory::~Memory() {
delete con_pc;
delete con_inst;
delete con_address;
delete con_data_out;
delete con_data_in;
delete con_req_write;
delete con_req_read;
delete name;
delete name_program;
delete name_data;
}
QRectF Memory::boundingRect() const {
return QRectF(-PENW / 2, -PENW / 2, WIDTH + PENW, HEIGHT + PENW);
}
void Memory::paint(QPainter *painter, const QStyleOptionGraphicsItem *option __attribute__((unused)), QWidget *widget __attribute__((unused))) {
painter->drawRect(0, 0, WIDTH, HEIGHT);
// TODO cache
}
void Memory::setPos(qreal x, qreal y) {
QGraphicsObject::setPos(x, y);
con_pc->setPos(x + 30, y);
con_inst->setPos(x + 40, y);
con_address->setPos(x + WIDTH - 70, y);
con_data_in->setPos(x + WIDTH - 60, y);
con_req_write->setPos(x + WIDTH- 50, y);
con_req_read->setPos(x + WIDTH - 40, y);
con_data_out->setPos(x + WIDTH - 30, y);
}
const Connector *Memory::connector_pc() const {
return con_pc;
}
const Connector *Memory::connector_inst() const {
return con_inst;
}
const Connector *Memory::connector_address() const {
return con_address;
}
const Connector *Memory::connector_data_out() const {
return con_data_out;
}
const Connector *Memory::connector_data_in() const {
return con_data_in;
}
const Connector *Memory::connector_req_write() const {
return con_req_write;
}
const Connector *Memory::connector_req_read() const {
return con_req_read;
}
void Memory::mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event) {
QGraphicsObject::mouseDoubleClickEvent(event);
if (event->pos().x() < WIDTH/2)
emit open_program_mem();
else
emit open_data_mem();
}
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