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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_CONNECTION_H
#define COREVIEW_CONNECTION_H
#include <QGraphicsObject>
#include <QPainter>
#include <QVector>
namespace coreview {
class Connector : public QObject {
Q_OBJECT
public:
enum Axis {
AX_X, // X axis
AX_Y, // Y axis
AX_XY, // X=Y axis (45°)
AX_MXY // X=-Y axis (-45°)
};
Connector(enum Axis axis = AX_X);
void setPos(qreal x, qreal y);
void setPos(const QPointF&);
enum Axis axis() const;
qreal x() const;
qreal y() const;
QPointF point() const;
QLineF vector() const;
signals:
void updated(QPointF point);
void updated(QLineF vector);
private:
enum Axis ax;
qreal qx, qy;
};
class Connection : public QGraphicsObject {
Q_OBJECT
public:
Connection(const Connector *start, const Connector *end);
QRectF boundingRect() const;
void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
void setHasText(bool has);
void setText(QString val);
virtual void setAxes(QVector<QLineF>);
private slots:
void moved_start(QLineF);
void moved_end(QLineF);
protected:
QGraphicsSimpleTextItem *value;
QVector<QPointF> points;
QLineF ax_start, ax_end;
QVector<QLineF> break_axes;
QString text;
int pen_width;
QColor color;
void recalc_line();
bool recalc_line_add_point(const QLineF &l1, const QLineF &l2);
};
class Bus : public Connection {
public:
Bus(const Connector *start, const Connector *end, unsigned width = 4);
~Bus();
void setAxes(QVector<QLineF>);
// This creates connector snapped to closes point to x,y that is on bus
const Connector *new_connector(qreal x, qreal y, enum Connector::Axis = Connector::AX_X);
const Connector *new_connector(const QPointF&, enum Connector::Axis = Connector::AX_X);
protected:
struct con_pos {
Connector *c;
QPointF p;
};
QVector<struct con_pos> conns;
void conns_update();
// TODO because of this we have to overload setAxis function and update that in there
};
class Signal : public Connection {
public:
Signal(const Connector *start, const Connector *end);
};
#define CON_AX_X (coreview::Connector::AX_X)
#define CON_AX_Y (coreview::Connector::AX_Y)
#define CON_AX_XY (coreview::Connector::AX_XY)
#define CON_AX_MXY (coreview::Connector::AX_MXY)
#define CON_AXIS_X(Y) QLineF(QPointF(0, Y), QPointF(1, Y))
#define CON_AXIS_Y(X) QLineF(QPointF(X, 0), QPointF(X, 1))
}
#endif // COREVIEW_CONNECTION_H
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