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123 lines
3.8 KiB
C++
123 lines
3.8 KiB
C++
/*
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Copyright 2006-2025 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 PART_POLYGON_H
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#define PART_POLYGON_H
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#include <QPolygonF>
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#include "customelementgraphicpart.h"
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class QPropertyUndoCommand;
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class QetGraphicsHandlerItem;
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class QAction;
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/**
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@brief The PartPolygon class
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This class represents a polygon primitive which may be used to compose the
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drawing of an electrical element within the element editor.
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*/
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class PartPolygon : public CustomElementGraphicPart
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{
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Q_OBJECT
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Q_PROPERTY(bool closed READ isClosed WRITE setClosed)
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Q_PROPERTY(QPolygonF polygon READ polygon WRITE setPolygon)
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// constructors, destructor
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public:
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PartPolygon(QETElementEditor *editor, QGraphicsItem *parent = nullptr);
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~PartPolygon() override;
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private:
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PartPolygon(const PartPolygon &);
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signals:
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void closedChange();
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void polygonChanged();
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// methods
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public:
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enum { Type = UserType + 1105 };
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/**
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* Enable the use of qgraphicsitem_cast to safely cast a QGraphicsItem into a PartPolygon.
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* @return the QGraphicsItem type
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*/
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int type() const override { return Type; }
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void paint(QPainter *, const QStyleOptionGraphicsItem *, QWidget *) override;
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QString name() const override { return(QObject::tr("polygone", "element part name")); }
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QString xmlName() const override { return(QString("polygon")); }
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void fromXml(const QDomElement &) override;
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const QDomElement toXml(QDomDocument &) const override;
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QPainterPath shape () const override;
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QPainterPath shadowShape() const override;
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QRectF boundingRect() const override;
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bool isUseless() const override;
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QRectF sceneGeometricRect() const override;
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void startUserTransformation(const QRectF &) override;
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void handleUserTransformation(const QRectF &, const QRectF &) override;
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QET::ScalingMethod preferredScalingMethod() const override;
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QPolygonF polygon () const;
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void setPolygon (const QPolygonF &polygon);
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void addPoint (const QPointF &point);
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void setLastPoint (const QPointF &point);
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void removeLastPoint ();
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bool isClosed () const {return m_closed;}
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void setClosed (bool close);
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void setHandlerColor(QPointF pos, const QColor &color) final;
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void resetAllHandlerColor() final;
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void setRotation (qreal angle);
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qreal rotation () const;
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void addHandler() override;
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void removeHandler() override;
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protected:
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QVariant itemChange(GraphicsItemChange change, const QVariant &value) override;
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bool sceneEventFilter(QGraphicsItem *watched, QEvent *event) override;
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void contextMenuEvent(QGraphicsSceneContextMenuEvent *event) override;
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private:
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void adjustHandlerPos();
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void handlerMousePressEvent (QetGraphicsHandlerItem *qghi, QGraphicsSceneMouseEvent *event);
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void handlerMouseMoveEvent (QetGraphicsHandlerItem *qghi, QGraphicsSceneMouseEvent *event);
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void handlerMouseReleaseEvent (QetGraphicsHandlerItem *qghi, QGraphicsSceneMouseEvent *event);
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void insertPoint();
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void removePoint();
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bool m_closed;
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QList<QPointF> saved_points_;
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QPolygonF m_polygon;
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QPropertyUndoCommand *m_undo_command;
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int m_vector_index = -1;
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QVector<QetGraphicsHandlerItem *> m_handler_vector;
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QAction *m_insert_point,
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*m_remove_point;
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QPointF m_context_menu_pos;
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qreal m_rot;
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};
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#endif
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