Бычков Андрей
d962dcb0f2
git-svn-id: svn://db.shs.com.ru/libs@317 a8b55f48-bf90-11e4-a774-851b48703e85
113 lines
3.0 KiB
C++
113 lines
3.0 KiB
C++
#ifndef BLOCKITEMPIN_H
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#define BLOCKITEMPIN_H
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#include <QGraphicsView>
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#include <QGraphicsScene>
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#include <QGraphicsObject>
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#include <QGraphicsEllipseItem>
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#include <QGraphicsSceneHoverEvent>
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#include <QGraphicsSceneMouseEvent>
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#include <QStack>
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#include <QDebug>
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#include <QPropertyAnimation>
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#include <qmath.h>
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#include "blockbase.h"
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#include "alignedtextitem.h"
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#include "chunkstream.h"
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class BlockItem;
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class BlockBusItem;
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class BlockItemPin: public QGraphicsObject, public PropertyStorage
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{
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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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void setPen(const QPen & p) {ell_item.setPen(p);}
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QPen pen() const {return ell_item.pen();}
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void setBrush(const QBrush & b) {ell_item.setBrush(b);}
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QBrush brush() const {return ell_item.brush();}
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int busType() const {return bus_type;}
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Qt::Alignment alignment() const {return align;}
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Direction direction() const {return dir;}
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QString text() const {return text_item.text();}
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State state() const {return state_;}
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void setBusType(int type_) {bus_type = type_;}
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void setAlignment(Qt::Alignment a) {align = a; _init(true);}
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void setDirection(Direction d) {dir = d; _init(true);}
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void setText(const QString & t) {text_item.setText(t); _init(true);}
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void setState(State s);
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void saveState() {sstate_.push(state_);}
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bool restoreState() {if (sstate_.isEmpty()) return false; setState(sstate_.pop()); return true;}
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void clearStateStack() {sstate_.clear();}
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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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enum {Type = UserType + 3};
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public slots:
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void animAccept();
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protected:
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void paint(QPainter * painter, const QStyleOptionGraphicsItem * option, QWidget * widget = 0) {}
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QRectF boundingRect() const {return ell_item.boundingRect().translated(ell_item.pos()) | text_item.boundingRect().translated(text_item.pos());}
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int type() const {return Type;}
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QVariant itemChange(GraphicsItemChange change, const QVariant & value);
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void hoverEnterEvent(QGraphicsSceneHoverEvent * e);
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void hoverLeaveEvent(QGraphicsSceneHoverEvent * e);
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void _init(bool affect_parent = false);
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void _reparent();
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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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Direction dir;
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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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