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qad/libs/blockview/blockitempin.h
2023-04-13 18:21:21 +03:00

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3.3 KiB
C++

/*
QAD - Qt ADvanced
Ivan Pelipenko peri4ko@yandex.ru, Andrey Bychkov work.a.b@yandex.ru
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef BLOCKITEMPIN_H
#define BLOCKITEMPIN_H
#include "alignedtextitem.h"
#include "blockbase.h"
#include "qad_blockview_export.h"
#include <QDebug>
#include <QGraphicsEllipseItem>
#include <QGraphicsObject>
#include <QGraphicsScene>
#include <QGraphicsSceneHoverEvent>
#include <QGraphicsSceneMouseEvent>
#include <QGraphicsView>
#include <QPropertyAnimation>
#include <QStack>
#include <qmath.h>
class BlockItem;
class BlockBusItem;
class QAD_BLOCKVIEW_EXPORT BlockItemPin
: public QGraphicsObject
, public PropertyStorage {
friend class BlockView;
friend class BlockItem;
Q_OBJECT
Q_PROPERTY(double pinSize READ pinSize WRITE resizePin DESIGNABLE false SCRIPTABLE false)
public:
BlockItemPin(Qt::Alignment a = Qt::AlignLeft, int bus_type = 0, const QString & text_ = QString(), QGraphicsObject * parent_ = 0);
enum State {
Disconnected,
Connected,
Hover,
Drop,
Accept,
Reject
};
enum Direction {
None = 0x0,
Input = 0x1,
Output = 0x2,
InputOutput = 0x3
};
enum {
Type = UserType + 3
};
void setPen(const QPen & p);
QPen pen() const;
void setBrush(const QBrush & b);
QBrush brush() const;
int busType() const { return bus_type; }
Qt::Alignment alignment() const { return align; }
QString text() const;
State state() const { return state_; }
void setBusType(int type_);
void setAlignment(Qt::Alignment a);
void setText(const QString & t);
void setState(State s);
void saveState();
bool restoreState();
void clearStateStack();
void enlargePin(bool enlarge);
BlockItem * parent() const { return parent_; }
QList<BlockBusItem *> connectedBuses() const { return buses_; }
public slots:
void animAccept();
protected:
void paint(QPainter *, const QStyleOptionGraphicsItem *, QWidget *) override {}
QRectF boundingRect() const override;
int type() const override { return Type; }
QVariant itemChange(GraphicsItemChange change, const QVariant & value) override;
void hoverEnterEvent(QGraphicsSceneHoverEvent * e) override;
void hoverLeaveEvent(QGraphicsSceneHoverEvent * e) override;
void _init(bool affect_parent = false);
void _reparent();
QGraphicsView * _view() const;
int bus_type;
State state_;
QGraphicsEllipseItem ell_item;
QGraphicsSimpleTextItem text_item;
QStack<State> sstate_;
QList<BlockBusItem *> buses_;
BlockItem * parent_;
Qt::Alignment align;
QBrush br[6];
private slots:
void animationAccept();
private:
void resizePin(double r);
double pinSize() const;
QPropertyAnimation anim_pin_size;
QPropertyAnimation anim_accept;
};
#endif // BLOCKITEMPIN_H