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// SPDX-License-Identifier: GPL-2.0+
/*******************************************************************************
* QtMips - MIPS 32-bit Architecture Subset Simulator
*
* Implemented to support following courses:
*
* B35APO - Computer Architectures
* https://cw.fel.cvut.cz/wiki/courses/b35apo
*
* B4M35PAP - Advanced Computer Architectures
* https://cw.fel.cvut.cz/wiki/courses/b4m35pap/start
*
* Copyright (c) 2017-2019 Karel Koci<cynerd@email.cz>
* Copyright (c) 2019 Pavel Pisa <pisa@cmp.felk.cvut.cz>
*
* Faculty of Electrical Engineering (http://www.fel.cvut.cz)
* Czech Technical University (http://www.cvut.cz/)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
******************************************************************************/
#include "registers.h"
#include "coreview_colors.h"
#include "fontsize.h"
#include <cmath>
using namespace coreview;
//////////////////////
#define WIDTH 60
#define HEIGHT 80
#define PENW 1
//////////////////////
Registers::Registers() : QGraphicsObject(nullptr), name("Registers", this) {
con_read1 = new Connector(Connector::AX_X);
con_read1_reg = new Connector(Connector::AX_X);
con_read2 = new Connector(Connector::AX_X);
con_read2_reg = new Connector(Connector::AX_X);
con_write = new Connector(Connector::AX_X);
con_write_reg = new Connector(Connector::AX_X);
con_ctl_write = new Connector(Connector::AX_Y);
// TODO do we want to have any hooks on real registers?
QFont font;
font.setPixelSize(FontSize::SIZE7);
name.setFont(font);
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))) {
QPen pen = painter->pen();
pen.setColor(BLOCK_OUTLINE_COLOR);
painter->setPen(pen);
painter->drawRect(0, 0, WIDTH, HEIGHT);
}
void Registers::setPos(qreal x, qreal y) {
QGraphicsObject::setPos(x, y);
con_read1_reg->setPos(x, y + 10);
con_read2_reg->setPos(x, y + 30);
con_read1->setPos(x + WIDTH, y + 10);
con_read2->setPos(x + WIDTH, y + 30);
con_write_reg->setPos(x, y + HEIGHT - 10);
con_write->setPos(x, y + HEIGHT - 20);
con_ctl_write->setPos(x + WIDTH - 10, y);
}
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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