qt-creator/share/qtcreator/qmljsdebugger/editor/selectionindicator.h

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#ifndef SELECTIONINDICATOR_H
#define SELECTIONINDICATOR_H

#include <QWeakPointer>
#include <QGraphicsPolygonItem>
#include <QGraphicsObject>

namespace QmlViewer {

class QDeclarativeViewObserver;

class SelectionIndicator
{
public:
    SelectionIndicator(QDeclarativeViewObserver* editorView, QGraphicsObject *layerItem);
    ~SelectionIndicator();

    void show();
    void hide();

    void clear();

    void setItems(const QList<QWeakPointer<QGraphicsObject> > &itemList);

private:
    QPolygonF addBoundingRectToPolygon(QGraphicsItem *item, QPolygonF &polygon);

private:
    QHash<QGraphicsItem*, QGraphicsPolygonItem *> m_indicatorShapeHash;
    QWeakPointer<QGraphicsObject> m_layerItem;
    QDeclarativeViewObserver *m_view;

};

}

#endif // SELECTIONINDICATOR_H