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57 lines
1.9 KiB
C++
57 lines
1.9 KiB
C++
/*
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Copyright 2006-2020 The QElectroTech Team
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This file is part of QElectroTech.
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QElectroTech is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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QElectroTech is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with QElectroTech. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef QETGRAPHICSHANDLERITEM_H
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#define QETGRAPHICSHANDLERITEM_H
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#include <QGraphicsItem>
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#include <QPen>
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/**
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* @brief The QetGraphicsHandlerItem class
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* This graphics item represents a point, destined to be used as an handler,
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* for modifie the geometrie of a another graphics item (like shapes).
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* The graphics item to be modified, must call "installSceneEventFilter" of this item with itself for argument,.
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* The ghraphics item to be modified, need to reimplement "sceneEventFilter" for create the modification behavior.
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*/
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class QetGraphicsHandlerItem : public QGraphicsItem
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{
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public:
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QetGraphicsHandlerItem(qreal size = 10);
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QRectF boundingRect() const override;
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enum { Type = UserType + 1200};
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int type() const override {return Type;}
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void setColor(QColor color);
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protected:
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void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) override;
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private:
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QRectF m_handler_rect,
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m_br;
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qreal m_size;
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QColor m_color;
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QPen m_pen;
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public:
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static QVector<QetGraphicsHandlerItem *> handlerForPoint(const QVector<QPointF> &points, int size = 10);
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};
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#endif // QETGRAPHICSHANDLERITEM_H
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