diagramtextitem.h

奇趣公司比较新的qt/emd版本

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#ifndef DIAGRAMTEXTITEM_H
#define DIAGRAMTEXTITEM_H

#include <QGraphicsTextItem>
#include <QPen>

class QFocusEvent;
class QGraphicsItem;
class QGraphicsScene;
class QGraphicsSceneMouseEvent;

class DiagramTextItem : public QGraphicsTextItem
{
    Q_OBJECT

public:
    enum { Type = UserType + 3 };

    DiagramTextItem(QGraphicsItem *parent = 0, QGraphicsScene *scene = 0);

    int type() const
        { return Type; }

signals:
    void lostFocus(DiagramTextItem *item);
    void selectedChange(QGraphicsItem *item);

protected:
    QVariant itemChange(GraphicsItemChange change, const QVariant &value);
    void focusOutEvent(QFocusEvent *event);
    void mousePressEvent(QGraphicsSceneMouseEvent *event);
    void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
    void mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event);
};

#endif