136 lines
3.3 KiB
C++
136 lines
3.3 KiB
C++
/*
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QAD - Qt ADvanced
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Ivan Pelipenko peri4ko@yandex.ru, Andrey Bychkov work.a.b@yandex.ru
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef BLOCKITEMPIN_H
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#define BLOCKITEMPIN_H
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#include "alignedtextitem.h"
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#include "blockbase.h"
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#include "qad_blockview_export.h"
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#include <QDebug>
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#include <QGraphicsEllipseItem>
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#include <QGraphicsObject>
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#include <QGraphicsScene>
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#include <QGraphicsSceneHoverEvent>
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#include <QGraphicsSceneMouseEvent>
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#include <QGraphicsView>
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#include <QPropertyAnimation>
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#include <QStack>
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#include <qmath.h>
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class BlockItem;
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class BlockBusItem;
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class QAD_BLOCKVIEW_EXPORT BlockItemPin
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: public QGraphicsObject
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, public PropertyStorage {
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friend class BlockView;
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friend class BlockItem;
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Q_OBJECT
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Q_PROPERTY(double pinSize READ pinSize WRITE resizePin DESIGNABLE false SCRIPTABLE false)
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public:
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BlockItemPin(Qt::Alignment a = Qt::AlignLeft, int bus_type = 0, const QString & text_ = QString(), QGraphicsObject * parent_ = 0);
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enum State {
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Disconnected,
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Connected,
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Hover,
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Drop,
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Accept,
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Reject
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};
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enum Direction {
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None = 0x0,
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Input = 0x1,
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Output = 0x2,
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InputOutput = 0x3
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};
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enum {
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Type = UserType + 3
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};
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void setPen(const QPen & p);
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QPen pen() const;
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void setBrush(const QBrush & b);
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QBrush brush() const;
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int busType() const { return bus_type; }
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Qt::Alignment alignment() const { return align; }
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QString text() const;
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State state() const { return state_; }
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void setBusType(int type_);
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void setAlignment(Qt::Alignment a);
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void setText(const QString & t);
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void setState(State s);
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void saveState();
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bool restoreState();
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void clearStateStack();
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void enlargePin(bool enlarge);
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BlockItem * parent() const { return parent_; }
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QList<BlockBusItem *> connectedBuses() const { return buses_; }
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public slots:
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void animAccept();
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protected:
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void paint(QPainter *, const QStyleOptionGraphicsItem *, QWidget *) override {}
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QRectF boundingRect() const override;
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int type() const override { return Type; }
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QVariant itemChange(GraphicsItemChange change, const QVariant & value) override;
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void hoverEnterEvent(QGraphicsSceneHoverEvent * e) override;
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void hoverLeaveEvent(QGraphicsSceneHoverEvent * e) override;
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void _init(bool affect_parent = false);
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void _reparent();
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QGraphicsView * _view() const;
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int bus_type;
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State state_;
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QGraphicsEllipseItem ell_item;
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QGraphicsSimpleTextItem text_item;
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QStack<State> sstate_;
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QList<BlockBusItem *> buses_;
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BlockItem * parent_;
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Qt::Alignment align;
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QBrush br[6];
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private slots:
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void animationAccept();
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private:
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void resizePin(double r);
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double pinSize() const;
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QPropertyAnimation anim_pin_size;
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QPropertyAnimation anim_accept;
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};
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#endif // BLOCKITEMPIN_H
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