git-svn-id: svn://db.shs.com.ru/libs@316 a8b55f48-bf90-11e4-a774-851b48703e85

2017-11-15 14:27:51 +00:00
parent efeb95c1c3
commit ed362a6b55
8 changed files with 473 additions and 215 deletions
--- a/qad/blockview/blockitempin.h
+++ b/qad/blockview/blockitempin.h
@@ -0,0 +1,109 @@
+#ifndef BLOCKITEMPIN_H
+#define BLOCKITEMPIN_H
+
+#include <QGraphicsView>
+#include <QGraphicsScene>
+#include <QGraphicsObject>
+#include <QGraphicsEllipseItem>
+#include <QGraphicsSceneHoverEvent>
+#include <QGraphicsSceneMouseEvent>
+#include <QStack>
+#include <QDebug>
+#include <QPropertyAnimation>
+#include <qmath.h>
+#include "blockbase.h"
+#include "alignedtextitem.h"
+#include "chunkstream.h"
+
+
+class BlockItem;
+class BlockBusItem;
+
+
+class 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
+	};
+
+	void setPen(const QPen & p) {ell_item.setPen(p);}
+	QPen pen() const {return ell_item.pen();}
+	void setBrush(const QBrush & b) {ell_item.setBrush(b);}
+	QBrush brush() const {return ell_item.brush();}
+
+	int busType() const {return bus_type;}
+	Qt::Alignment alignment() const {return align;}
+	Direction direction() const {return dir;}
+	QString text() const {return text_item.text();}
+	State state() const {return state_;}
+
+	void setBusType(int type_) {bus_type = type_;}
+	void setAlignment(Qt::Alignment a) {align = a; _init(true);}
+	void setDirection(Direction d) {dir = d; _init(true);}
+	void setText(const QString & t) {text_item.setText(t); _init(true);}
+	void setState(State s);
+
+	void saveState() {sstate_.push(state_);}
+	bool restoreState() {if (sstate_.isEmpty()) return false; setState(sstate_.pop()); return true;}
+	void clearStateStack() {sstate_.clear();}
+
+	void enlargePin(bool enlarge);
+
+	BlockItem * parent() const {return parent_;}
+	QList<BlockBusItem * > connectedBuses() const {return buses_;}
+
+	enum {Type = UserType + 3};
+
+protected:
+	void paint(QPainter * painter, const QStyleOptionGraphicsItem * option, QWidget * widget = 0) {}
+	QRectF boundingRect() const {return ell_item.boundingRect().translated(ell_item.pos()) | text_item.boundingRect().translated(text_item.pos());}
+	int type() const {return Type;}
+	QVariant itemChange(GraphicsItemChange change, const QVariant & value);
+	void hoverEnterEvent(QGraphicsSceneHoverEvent * e);
+	void hoverLeaveEvent(QGraphicsSceneHoverEvent * e);
+	void _init(bool affect_parent = false);
+	void _reparent();
+	int bus_type;
+	State state_;
+	QGraphicsEllipseItem ell_item;
+	QGraphicsSimpleTextItem text_item;
+	QStack<State> sstate_;
+	QList<BlockBusItem * > buses_;
+	BlockItem * parent_;
+	Qt::Alignment align;
+	Direction dir;
+	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