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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 "constant.h"
#include <cmath>
using namespace coreview;
//////////////////////
#define OFFSET 6
//////////////////////
Constant::Constant(const Connector *con, const QString &text) : QGraphicsObject(nullptr), text(text, this) {
QFont font;
font.setPointSize(7);
this->text.setFont(font);
con_our = new Connector(Connector::AX_X);
conn = new Bus(con_our, con, 2);
connect(con, SIGNAL(updated(QPointF)), this, SLOT(ref_con_updated(QPointF)));
ref_con_updated(con->point()); // update initial connector position
}
Constant::~Constant() {
delete conn;
delete con_our;
}
QRectF Constant::boundingRect() const {
return conn->boundingRect();
}
void Constant::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) {
conn->paint(painter, option, widget);
}
void Constant::set_text(const QString &text) {
this->text.setText(text);
set_text_pos(); // update text positioning
}
void Constant::ref_con_updated(QPointF p) {
con_our->setPos(p.x() - OFFSET, p.y());
set_text_pos();
}
void Constant::set_text_pos() {
// We are using here our known position of con_our
QRectF box = text.boundingRect();
text.setPos(con_our->x() - box.width() - 2, con_our->y() - box.height()/2);
}
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