qetgraphicshandleritem.h

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/*
        Copyright 2006-2024 The QElectroTech Team
        This file is part of QElectroTech.
 
        QElectroTech is free software: you can redistribute it and/or modify
        it under the terms of the GNU General Public License as published by
        the Free Software Foundation, either version 2 of the License, or
        (at your option) any later version.
 
        QElectroTech is distributed in the hope that it will be useful,
        but WITHOUT ANY WARRANTY; without even the implied warranty of
        MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
        GNU General Public License for more details.
 
        You should have received a copy of the GNU General Public License
        along with QElectroTech.  If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef QETGRAPHICSHANDLERITEM_H
#define QETGRAPHICSHANDLERITEM_H
 
#include <QGraphicsObject>
#include <QPen>
 
class QetGraphicsHandlerItem : public QGraphicsObject
{
                Q_OBJECT
 
                Q_PROPERTY(qreal currentSize READ currentSize WRITE setCurrentSize)
 
        public:
                QetGraphicsHandlerItem(qreal size = 10);
                void setSize(qreal size);
                QRectF boundingRect() const override;
                
                enum { Type = UserType + 1200};
                int type() const override {return Type;}
                
                void setColor(QColor color);
 
 
        protected:
                void paint(QPainter *painter,
                           const QStyleOptionGraphicsItem *option,
                           QWidget *widget) override;
                void hoverEnterEvent(QGraphicsSceneHoverEvent *event) override;
                void hoverLeaveEvent(QGraphicsSceneHoverEvent *event) override;
 
                qreal currentSize() const {return m_current_size;}
                void setCurrentSize(qreal size);
 
 
 
        private:
                QRectF m_handler_rect,
                           m_br;
                qreal m_current_size;
                qreal m_original_size;
                QColor m_color;
                QPen m_pen;
                
        public:
                static QVector<QetGraphicsHandlerItem *> handlerForPoint(
                                const QVector<QPointF> &points, int size = 10);
};
 
#endif // QETGRAPHICSHANDLERITEM_H