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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.
*
******************************************************************************/
#ifndef COREVIEW_MULTIPLEXER_H
#define COREVIEW_MULTIPLEXER_H
#include <QGraphicsItem>
#include "qtmipsexception.h"
#include "connection.h"
namespace coreview {
class Multiplexer : public QGraphicsItem {
public:
Multiplexer(unsigned size, bool ctl_up = false);
~Multiplexer();
QRectF boundingRect() const;
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
void setPos(qreal x, qreal y);
const Connector *connector_ctl() const; // Control input
const Connector *connector_out() const; // Output
const Connector *connector_in(unsigned i) const; // Inputs
void set(unsigned i); // Set what value should be set as connected (indexing from 1 where 0 is no line)
private:
bool ctlfrom;
unsigned size, seton;
Connector *con_ctl, *con_out, **con_in;
};
}
#endif // COREVIEW_MULTIPLEXER_H
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