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https://github.com/qelectrotech/qelectrotech-source-mirror.git
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b71d3a4c7d
Diagram editor : shape item Gain a new way to be resized: mirror resizing. Click on the item for switch the resize mode git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@4583 bfdf4180-ca20-0410-9c96-a3a8aa849046
123 lines
3.9 KiB
C++
123 lines
3.9 KiB
C++
/*
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Copyright 2006-2016 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 QETSHAPEITEM_H
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#define QETSHAPEITEM_H
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#include <QPen>
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#include "qetgraphicsitem.h"
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#include "QetGraphicsItemModeler/qetgraphicshandlerutility.h"
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class QDomElement;
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class QDomDocument;
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/**
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* @brief The QetShapeItem class
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* this class is used to draw a basic shape (line, rectangle, ellipse)
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* into a diagram, that can be saved to .qet file.
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*/
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class QetShapeItem : public QetGraphicsItem
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{
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Q_OBJECT
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Q_PROPERTY(QPen pen READ pen WRITE setPen NOTIFY penChanged)
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Q_PROPERTY(QBrush brush READ brush WRITE setBrush NOTIFY brushChanged)
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Q_PROPERTY(QRectF rect READ rect WRITE setRect)
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Q_PROPERTY(QLineF line READ line WRITE setLine)
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Q_PROPERTY(QPolygonF polygon READ polygon WRITE setPolygon)
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Q_PROPERTY(bool close READ isClosed WRITE setClosed NOTIFY closeChanged)
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signals:
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void penChanged();
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void brushChanged();
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void closeChanged();
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public:
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Q_ENUMS(ShapeType)
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enum ShapeType {Line =1,
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Rectangle =2,
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Ellipse =4,
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Polygon =8 };
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enum { Type = UserType + 1008 };
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QetShapeItem(QPointF, QPointF = QPointF(0,0), ShapeType = Line, QGraphicsItem *parent = 0);
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virtual ~QetShapeItem();
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//Enable the use of qgraphicsitem_cast to safely cast a QGraphicsItem into a QetShapeItem @return the QGraphicsItem type
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virtual int type() const { return Type; }
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///METHODS
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QPen pen() const {return m_pen;}
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void setPen(const QPen &pen);
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QBrush brush() const {return m_brush;}
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void setBrush(const QBrush &brush);
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ShapeType shapeType() const {return m_shapeType;}
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virtual bool fromXml (const QDomElement &);
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virtual QDomElement toXml (QDomDocument &document) const;
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virtual bool toDXF (const QString &filepath);
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virtual void editProperty();
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virtual QString name() const;
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void setP2 (const QPointF &P2);
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QLineF line() const{return QLineF(m_P1, m_P2);}
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bool setLine (const QLineF &line);
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QRectF rect() const{return QRectF(m_P1, m_P2);}
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bool setRect (const QRectF &rect);
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QPolygonF polygon() const {return m_polygon;}
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bool setPolygon (const QPolygonF &polygon);
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bool isClosed() const {return m_close;}
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void setClosed (bool close);
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//Methods available for polygon shape
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int pointsCount () const;
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void setNextPoint (QPointF P);
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void removePoints (int number = 1);
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QRectF boundingRect() const;
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QPainterPath shape() const;
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protected:
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virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
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virtual void hoverEnterEvent (QGraphicsSceneHoverEvent *event);
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virtual void hoverMoveEvent (QGraphicsSceneHoverEvent *event);
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virtual void hoverLeaveEvent (QGraphicsSceneHoverEvent *event);
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virtual void mousePressEvent (QGraphicsSceneMouseEvent *event);
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virtual void mouseMoveEvent (QGraphicsSceneMouseEvent *event);
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virtual void mouseReleaseEvent (QGraphicsSceneMouseEvent *event);
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private:
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void switchResizeMode();
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///ATTRIBUTES
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private:
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ShapeType m_shapeType;
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QPen m_pen;
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QBrush m_brush;
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QPointF m_P1, m_P2, m_old_P1, m_old_P2;
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QPolygonF m_polygon, m_old_polygon;
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bool m_hovered,
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m_mouse_grab_handler;
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int m_vector_index;
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QetGraphicsHandlerUtility m_handler;
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bool m_close = false;
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int m_resize_mode = 1;
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};
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#endif // QETSHAPEITEM_H
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